21498970870440

Names of 21498970870440

• Cardinal: 21498970870440 can be written as Twenty-one trillion, four hundred ninety-eight billion, nine hundred seventy million, eight hundred seventy thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.149897087044 × 10¹³

Factors of 21498970870440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1098

Divisors of 21498970870440

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 28 30 34 35 36 40 42 45 49 51 56 60 63 68 70 72 73 84 85 90 98 102 105 119 120 126 136 140 146 147 153 168 170 180 196 204 210 219 238 245 252 255 280 292 294 306 315 340 357 360 365 392 408 420 438 441 476 490 504 510 511 584 588 595 612 630 657 680 714 730 735 765 833 840 876 882 952 980 991 1020 1022 1071 1095 1176 1190 1224 1241 1260 1314 1428 1460 1470 1530 1533 1666 1752 1764 1785 1960 1982 2040 2044 2142 2190 2205 2380 2482 2499 2520 2555 2628 2856 2920 2940 2973 3060 3066 3285 3332 3528 3570 3577 3723 3964 4088 4165 4284 4380 4410 4599 4760 4955 4964 4998 5110 5256 5355 5880 5946 6120 6132 6205 6570 6664 6937 7140 7154 7446 7497 7665 7928 8330 8568 8687 8760 8820 8919 9198 9910 9928 9996 10220 10710 10731 11169 11892 12264 12410 12495 13140 13874 14280 14308 14865 14892 14994 15330 16660 16847 17374 17640 17838 17885 18396 18615 19820 19992 20440 20811 21420 21462 22338 22995 23784 24820 24990 26061 26280 27748 28616 29730 29784 29988 30660 32193 33320 33694 34685 34748 35676 35770 36792 37230 37485 39640 41622 42840 42924 43435 44595 44676 45990 48559 49640 49980 50541 52122 53655 55496 55845 59460 59976 60809 61320 62433 64386 67388 69370 69496 71352 71540 72343 74460 74970 78183 83244 84235 85848 86870 89190 89352 91980 97118 99960 101082 104055 104244 107310 111690 117929 118920 121618 124866 128772 130305 134776 138740 143080 144686 145677 148920 149940 151623 156366 160965 166488 168470 173740 178380 182427 183960 194236 202164 208110 208488 214620 217029 223380 235858 242795 243236 249732 252705 257544 260610 277480 289372 291354 299880 303246 304045 312165 312732 321930 336940 347480 353787 356760 361715 364854 388472 390915 404328 416220 429240 434058 437031 446760 471716 485590 486472 499464 505410 506401 521220 547281 578744 582708 589645 606492 608090 624330 625464 643860 651087 673880 707574 723430 728385 729708 758115 781830 825503 832440 868116 874062 912135 943432 971180 982081 1010820 1012802 1042440 1061361 1085145 1094562 1165416 1179290 1212984 1216180 1229831 1248660 1287720 1302174 1415148 1446860 1456770 1459416 1516230 1519203 1563660 1651006 1736232 1748124 1768935 1824270 1942360 1964162 2021640 2025604 2122722 2170290 2185155 2189124 2358580 2432360 2459662 2476509 2497320 2532005 2604348 2736405 2830296 2893720 2913540 2946243 3032460 3038406 3127320 3255435 3302012 3496248 3537870 3544807 3648540 3689493 3928324 4051208 4127515 4245444 4340580 4370310 4378248 4557609 4717160 4910405 4919324 4953018 5064010 5208696 5306805 5472810 5827080 5892486 6064920 6076812 6149155 6510870 6604024 6874567 7075740 7089614 7297080 7378986 7429527 7596015 7856648 8255030 8490888 8608817 8681160 8740620 8838729 9115218 9820810 9838648 9906036 10128020 10613610 10634421 10945620 11068479 11784972 12153624 12298310 12382545 13021740 13749134 14151480 14179228 14731215 14757972 14859054 15192030 16510060 16695377 17217634 17481240 17677458 17724035 18230436 18447465 19641620 19812072 20256040 20623701 21227220 21268842 21891240 22136958 22788045 23569944 24596620 24765090 25826451 26043480 27498268 28358456 29462430 29515944 29718108 30384060 31903263 33020120 33390754 34372835 34435268 35354916 35448070 36460872 36894930 37147635 39283240 41247402 42454440 42537684 43044085 44193645 44273916 45576090 48121969 49193240 49530180 50086131 51652902 53172105 54996536 55342395 58924860 59436216 60261719 60768120 61871103 63806526 66781508 68745670 68870536 70709832 70896140 71691913 73789860 74295270 77479353 82494804 83476885 85075368 86088170 88387290 88547832 91152180 96243938 99060360 100172262 103118505 103305804 106344210 110684790 116867639 117849720 120523438 123742206 127613052 129132255 133563016 137491340 141792280 143383826 144365907 147579720 148590540 150258393 154958706 159516315 164989608 166953770 172176340 176774580 180785157 182304360 192487876 200344524 206237010 206611608 212688420 215075739 221369580 233735278 240609845 241046876 247484412 250430655 255226104 258264510 274982680 286767652 288731814 297181080 300516786 301308595 309355515 309917412 319032630 333907540 344352680 350602917 353549160 358459565 361570314 384975752 387396765 400689048 412474020 425376840 430151478 433097721 442739160 467470556 481219690 482093752 494968824 500861310 501843391 516529020 542355471 573535304 577463628 584338195 601033572 602617190 618711030 619834824 638065260 645227217 667815080 701205834 716919130 721829535 723140628 751291965 774793530 818073473 824948040 860302956 866195442 903925785 934941112 962439380 1001722620 1003686782 1033058040 1051808751 1075378695 1084710942 1154927256 1168676390 1202067144 1205234380 1218762521 1237422060 1276130520 1290454434 1402411668 1433838260 1443659070 1446281256 1502583930 1505530173 1549587060 1636146946 1720605912 1732390884 1753014585 1807851570 1924878760 2003445240 2007373564 2103617502 2150757390 2165488605 2169421884 2337352780 2410468760 2437525042 2454220419 2474844120 2509216955 2580908868 2711777355 2804823336 2867676520 2887318140 3005167860 3011060346 3099174120 3226136085 3272293892 3464781768 3506029170 3512903737 3615703140 3656287563 4014747128 4090367365 4207235004 4301514780 4330977210 4338843768 4516590519 4674705560 4875050084 4908440838 5018433910 5161817736 5259043755 5423554710 5774636280 6010335720 6022120692 6093812605 6452272170 6544587784 7012058340 7025807474 7231406280 7312575126 7362661257 7527650865 8180734730 8414470008 8531337647 8603029560 8661954420 9033181038 9750100168 9816881676 10036867820 10518087510 10538711211 10847109420 10968862689 12044241384 12187625210 12271102095 12904544340 14024116680 14051614948 14625150252 14725322514 15055301730 16361469460 17062675294 17323908840 17564518685 18066362076 18281437815 19633763352 20073735640 21036175020 21077422422 21694218840 21937725378 22582952595 24375250420 24542204190 25594012941 25809088680 28103229896 29250300504 29450645028 30110603460 31616133633 32722938920 34125350588 35129037370 36132724152 36562875630 36813306285 42072350040 42154844844 42656688235 43875450756 45165905190 48750500840 49084408380 51188025882 52693556055 54844313445 58901290056 59719363529 60221206920 63232267266 68250701176 70258074740 73125751260 73626612570 76782038823 84309689688 85313376470 87750901512 90331810380 98168816760 102376051764 105387112110 109688626890 119438727058 126464534532 127970064705 140516149480 146251502520 147253225140 153564077646 158080668165 170626752940 179158090587 180663620760 204752103528 210774224220 219377253780 238877454116 252929069064 255940129410 294506450280 298596817645 307128155292 316161336330 341253505880 358316181174 383910194115 421548448440 438754507560 477754908232 511880258820 537474271761 597193635290 614256310584 632322672660 716632362348 767820388230 895790452935 1023760517640 1074948543522 1194387270580 1264645345320 1433264724696 1535640776460 1791580905870 2149897087044 2388774541160 2687371358805 3071281552920 3583161811740 4299794174088 5374742717610 7166323623480 10749485435220 21498970870440
• Sum of all divisors σ(n): 87327436308840
• Sum of proper divisors (its aliquot sum) s(n): 65828465438400
• 21498970870440 is an abundant number, because the sum of its proper divisors (65828465438400) is greater than itself. Its abundance is 44329494567960

Bases of 21498970870440

• Binary: 100111000110110011110100001011001001010101000₂
• Hexadecimal: 0x138D9E8592A8
• Base-36: 7MCHO63E0

Squares and roots of 21498970870440

• 21498970870440 squared (21498970870440²) is 462205748488027651265793600
• 21498970870440 cubed (21498970870440³) is 9936947922894023547652547400389381184000
• The square root of 21498970870440 is 4636698.2725253969
• The cube root of 21498970870440 is 27806.0451591765

Scales and comparisons

• 21,498,970,870,440 seconds is equal to 683,600 years, 40 weeks, 1 day, 8 hours, 54 minutes.
• To count from 1 to 21,498,970,870,440 would take you about one million, seven hundred nine thousand and one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21498970870440 cubic inches would be around 2317.2 feet tall.

Recreational maths with 21498970870440

• 21498970870440 backwards is 04407807989412
• 21498970870440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21498970870440's digits is 63
• More coming soon!