21449118240

Names of 21449118240

• Cardinal: 21449118240 can be written as Twenty-one billion, four hundred forty-nine million, one hundred eighteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.144911824 × 10¹⁰

Factors of 21449118240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 71

Divisors of 21449118240

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 30 31 32 33 36 38 40 44 45 48 55 57 60 62 66 72 76 80 88 90 93 95 96 99 110 114 120 121 124 132 144 152 155 160 165 171 176 180 186 190 198 209 220 228 240 242 248 264 279 285 288 304 310 330 341 342 352 360 361 363 372 380 396 418 440 456 465 480 484 495 496 528 558 570 589 605 608 620 627 660 682 684 720 722 726 744 760 792 836 855 880 912 930 968 990 992 1023 1045 1056 1083 1089 1116 1140 1178 1210 1240 1254 1320 1331 1364 1368 1395 1440 1444 1452 1488 1520 1584 1672 1705 1710 1760 1767 1805 1815 1824 1860 1881 1936 1980 2046 2090 2166 2178 2232 2280 2299 2356 2420 2480 2508 2640 2662 2728 2736 2790 2888 2904 2945 2976 3040 3069 3135 3168 3249 3344 3410 3420 3534 3610 3630 3720 3751 3762 3872 3960 3971 3993 4092 4180 4332 4356 4464 4560 4598 4712 4840 4960 5016 5115 5280 5301 5324 5415 5445 5456 5472 5580 5776 5808 5890 6138 6270 6479 6498 6655 6688 6820 6840 6897 7068 7220 7260 7440 7502 7524 7920 7942 7986 8184 8360 8664 8712 8835 8928 9120 9196 9405 9424 9680 10032 10230 10602 10648 10830 10890 10912 11160 11191 11253 11495 11552 11616 11780 11913 11979 12276 12540 12958 12996 13310 13640 13680 13794 14136 14440 14520 14880 15004 15048 15345 15840 15884 15972 16245 16368 16720 17328 17424 17670 18392 18755 18810 18848 19360 19437 19855 19965 20064 20460 20691 21204 21296 21660 21780 22320 22382 22506 22990 23560 23826 23958 24552 25080 25289 25916 25992 26505 26620 27280 27360 27588 28272 28880 29040 30008 30096 30690 31768 31944 32395 32490 32736 33440 33573 33759 34485 34656 34848 35340 35739 36784 37510 37620 38874 39710 39930 40920 41261 41382 42408 42592 43320 43560 43681 44640 44764 45012 45980 47120 47652 47916 49104 50160 50578 51832 51984 53010 53240 54560 55176 55955 56265 56544 57760 58080 58311 59565 59895 60016 60192 61380 63536 63888 64790 64980 67146 67518 68970 70680 71269 71478 73568 75020 75240 75867 77748 79420 79860 81840 82522 82764 84816 86640 87120 87362 89528 90024 91960 94240 95304 95832 97185 98208 100320 100719 101156 103455 103664 103968 106020 106480 110352 111910 112530 116622 119130 119790 120032 122760 123101 123783 126445 127072 127776 129580 129960 131043 134292 135036 137940 141360 142538 142956 150040 150480 151734 155496 158840 159720 163680 165044 165528 167865 168795 169632 173280 174240 174724 178695 179056 180048 183920 190608 191664 194370 201438 202312 206305 206910 207328 212040 212960 213807 218405 220704 223820 225060 227601 233244 238260 239580 245520 246202 247566 252890 259160 259920 262086 268584 270072 275880 282720 285076 285912 291555 300080 300960 303468 310992 317680 319440 330088 331056 335730 337590 349448 356345 357390 358112 360096 367840 369303 371349 379335 381216 383328 388740 393129 402876 404624 412610 413820 424080 427614 436810 447640 450120 455202 466488 476520 479160 480491 491040 492404 495132 503595 505780 518320 519840 524172 537168 540144 551760 570152 571824 583110 600160 606936 615505 618915 621984 635360 638880 641421 655215 660176 662112 671460 675180 698896 712690 714780 738606 742698 758670 777480 783959 786258 805752 809248 825220 827640 848160 855228 873620 895280 900240 910404 932976 953040 958320 960982 984808 990264 1007190 1011560 1036640 1048344 1069035 1074336 1080288 1103520 1107909 1138005 1140304 1143648 1166220 1213872 1231010 1237830 1282842 1310430 1320352 1342920 1350360 1354111 1397792 1425380 1429560 1441473 1477212 1485396 1517340 1554960 1567918 1572516 1611504 1650440 1655280 1710456 1747240 1790560 1800480 1820808 1846515 1856745 1865952 1906080 1916640 1921964 1965645 1969616 1980528 2014380 2023120 2096688 2138070 2215818 2276010 2280608 2332440 2351877 2402455 2427744 2462020 2475660 2565684 2620860 2685840 2700720 2708222 2850760 2859120 2882946 2954424 2970792 3034680 3109920 3135836 3145032 3207105 3223008 3300880 3310560 3420912 3494480 3641616 3693030 3713490 3843928 3919795 3931290 3939232 3961056 4028760 4046240 4062333 4193376 4276140 4324419 4431636 4552020 4664880 4703754 4804910 4924040 4951320 5131368 5241720 5371680 5401440 5416444 5539545 5701520 5718240 5765892 5908848 5941584 6069360 6271672 6290064 6414210 6601760 6770555 6841824 6988960 7055631 7207365 7283232 7386060 7426980 7687856 7839590 7862580 8057520 8124666 8552280 8648838 8863272 9104040 9329760 9407508 9609820 9848080 9902640 10262736 10483440 10832888 11079090 11403040 11531784 11759385 11817696 11883168 12138720 12186999 12543344 12580128 12828420 13541110 14111262 14414730 14772120 14853960 14895221 15375712 15679180 15725160 16115040 16249332 17104560 17297676 17726544 18208080 18815016 19219640 19696160 19805280 20311665 20525472 20966880 21622095 21665776 22158180 23063568 23518770 24373998 25086688 25656840 27082220 28222524 28829460 29544240 29707920 29790442 31358360 31450320 32498664 34209120 34595352 35278155 35453088 36416160 37630032 38439280 40623330 43244190 43331552 44316360 44685663 46127136 47037540 48747996 51313680 54164440 56445048 57658920 59088480 59415840 59580884 60934995 62716720 62900640 64997328 69190704 70556310 74476105 75260064 76878560 81246660 86488380 88632720 89371326 94075080 97495992 102627360 108328880 112890096 115317840 119161768 121869990 125433440 129994656 134056989 138381408 141112620 148952210 162493320 172976760 177265440 178742652 188150160 194991984 216657760 223428315 225780192 230635680 238323536 243739980 268113978 282225240 297904420 324986640 345953520 357485304 376300320 389983968 446856630 476647072 487479960 536227956 564450480 595808840 649973280 670284945 691907040 714970608 893713260 974959920 1072455912 1128900960 1191617680 1340569890 1429941216 1787426520 1949919840 2144911824 2383235360 2681139780 3574853040 4289823648 5362279560 7149706080 10724559120 21449118240
• Sum of all divisors σ(n): 87710418432
• Sum of proper divisors (its aliquot sum) s(n): 66261300192
• 21449118240 is an abundant number, because the sum of its proper divisors (66261300192) is greater than itself. Its abundance is 44812181952

Bases of 21449118240

• Binary: 10011111110011101111001001000100000₂
• Hexadecimal: 0x4FE779220
• Base-36: 9UQ91K0

Squares and roots of 21449118240

• 21449118240 squared (21449118240²) is 460064673273500697600
• 21449118240 cubed (21449118240³) is 9867981575090284321544884224000
• The square root of 21449118240 is 146455.1748488253
• The cube root of 21449118240 is 2778.4535953839

Scales and comparisons

• 21,449,118,240 seconds is equal to 682 years, 5 days, 16 hours, 24 minutes.
• To count from 1 to 21,449,118,240 would take you about one thousand, three hundred sixty-four 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 21449118240 cubic inches would be around 231.5 feet tall.

Recreational maths with 21449118240

• 21449118240 backwards is 04281194412
• 21449118240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21449118240's digits is 36
• More coming soon!