21978077309370

Names of 21978077309370

• Cardinal: 21978077309370 can be written as Twenty-one trillion, nine hundred seventy-eight billion, seventy-seven million, three hundred nine thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.197807730937 × 10¹³

Factors of 21978077309370

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 227

Divisors of 21978077309370

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 78 81 90 91 105 117 126 130 135 162 169 182 189 195 197 210 234 243 270 273 315 338 351 378 390 394 405 455 486 507 546 567 585 591 630 702 810 819 845 910 945 985 1014 1053 1134 1170 1182 1183 1215 1365 1379 1521 1638 1690 1701 1755 1773 1890 1970 2106 2366 2430 2457 2535 2561 2730 2758 2835 2955 3042 3159 3402 3510 3546 3549 4095 4137 4563 4914 5070 5122 5265 5319 5670 5910 5915 6318 6895 7098 7371 7605 7683 8190 8274 8505 8865 9126 10530 10638 10647 11830 12285 12411 12805 13689 13790 14742 15210 15366 15795 15957 17010 17730 17745 17927 20685 21294 22113 22815 23049 24570 24822 25610 26595 27378 31590 31914 31941 33293 35490 35854 36855 37233 38415 38809 41067 41370 44226 45630 46098 47871 53190 53235 53781 62055 63882 66586 68445 69147 73710 74466 76830 77618 79785 82134 89635 95742 95823 99879 106470 107562 110565 111699 115245 116427 124110 136890 138294 159570 159705 161343 166465 179270 186165 191646 194045 199758 205335 207441 221130 223398 230490 232854 233051 239355 268905 271663 287469 299637 319410 322686 332930 335097 345735 349281 372330 388090 410670 414882 466102 478710 479115 484029 499395 504517 537810 543326 558495 574938 582135 599274 622323 670194 691470 698562 699153 806715 814989 898911 958230 968058 998790 1009034 1037205 1047843 1116990 1164270 1165255 1244646 1358315 1398306 1437345 1452087 1498185 1513551 1613430 1629978 1675485 1746405 1797822 2074410 2095686 2097459 2330510 2420145 2444967 2522585 2696733 2716630 2874690 2904174 2996370 3027102 3111615 3143529 3350970 3492810 3495765 3531619 4074945 4194918 4356261 4494555 4540653 4840290 4889934 5045170 5239215 5393466 6223230 6287058 6292377 6558721 6991530 7063238 7260435 7334901 7567755 7645373 8090199 8149890 8712522 8989110 9081306 9430587 10478430 10487295 10594857 12224835 12584754 13117442 13483665 13621959 14520870 14669802 15135510 15290746 15717645 16180398 17658095 18861174 18877131 19676163 20974590 21189714 21781305 22004703 22703265 22936119 24449670 26967330 27243918 31435290 31461885 31784571 32793605 35316190 36674505 37754262 38226865 39352326 40450995 40865877 43562610 44009406 45406530 45872238 45911047 47152935 52974285 53517611 56631393 59028489 62923770 63569142 65587210 66014109 68109795 68808357 73349010 76453730 80901990 81731754 91822094 94305870 94385655 95353713 98380815 99389849 105948570 107035222 110023515 113262786 114680595 118056978 122597631 132028218 136219590 137616714 137733141 158922855 160552833 177085467 188771310 190707426 196761630 198779698 204329385 206425071 220047030 229361190 229555235 245195262 267588055 275466282 283156965 286061139 295142445 298169547 317845710 321105666 330070545 344041785 354170934 408658770 412850142 413199423 459110470 476768565 481658499 496949245 531256401 535176110 566313930 572122278 590284890 596339094 612988155 619275213 660141090 688083570 688665705 695728943 802764165 826398846 858183417 885427335 894508641 953537130 963316998 993898490 1032125355 1062512802 1225976310 1238550426 1239598269 1292068037 1377331410 1391457886 1430305695 1444975497 1490847735 1593769203 1605528330 1716366834 1770854670 1789017282 1857825639 2064250710 2065997115 2087186829 2408292495 2479196538 2584136074 2656282005 2683525923 2860611390 2889950994 2981695470 3096376065 3187538406 3478644715 3715651278 3718794807 3876204111 4131994230 4174373658 4290917085 4334926491 4472543205 4816584990 5312564010 5367051846 6192752130 6197991345 6261560487 6460340185 6957289430 7224877485 7437589614 7752408222 7968846015 8050577769 8581834170 8669852982 8945086410 9044476259 9289128195 10435934145 11156384421 11628612333 12395982690 12523120974 12920680370 13004779473 13417629615 14449754970 15937692030 16101155538 18088952518 18578256390 18593974035 18784681461 19381020555 20871868290 21674632455 22312768842 23257224666 24151733307 26009558946 26835259230 27133428777 31307802435 34885836999 37187948070 37569362922 38762041110 40252888845 43349264910 45222381295 48303466614 54266857554 55781922105 56354044383 58143061665 62615604870 65023897365 69771673998 80505777690 81400286331 90444762590 93923407305 104657510997 111563844210 112708088766 116286123330 120758666535 130047794730 135667143885 162800572662 169062133149 174429184995 187846814610 209315021994 241517333070 244200858993 271334287770 281770221915 313972532991 338124266298 348858369990 407001431655 488401717986 523287554985 563540443830 627945065982 732602576979 814002863310 845310665745 1046575109970 1221004294965 1465205153958 1569862664955 1690621331490 2197807730937 2442008589930 3139725329910 3663012884895 4395615461874 7326025769790 10989038654685 21978077309370
• Sum of all divisors σ(n): 73709556560640
• Sum of proper divisors (its aliquot sum) s(n): 51731479251270
• 21978077309370 is an abundant number, because the sum of its proper divisors (51731479251270) is greater than itself. Its abundance is 29753401941900

Bases of 21978077309370

• Binary: 100111111110100101011011111011010100110111010₂
• Hexadecimal: 0x13FD2B7DA9BA
• Base-36: 7SGL7RTMI

Squares and roots of 21978077309370

• 21978077309370 squared (21978077309370²) is 483035882216644458689796900
• 21978077309370 cubed (21978077309370³) is 10616199962557153476070971567423766953000
• The square root of 21978077309370 is 4688078.2106711915
• The cube root of 21978077309370 is 28011.0829040071

Scales and comparisons

• 21,978,077,309,370 seconds is equal to 698,834 years, 45 weeks, 3 days, 18 hours, 49 minutes, 30 seconds.
• To count from 1 to 21,978,077,309,370 would take you about one million, seven hundred forty-seven thousand and eighty-seven 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 21978077309370 cubic inches would be around 2334.3 feet tall.

Recreational maths with 21978077309370

• 21978077309370 backwards is 07390377087912
• 21978077309370 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21978077309370's digits is 63
• More coming soon!