21397061920927

Names of 21397061920927

• Cardinal: 21397061920927 can be written as Twenty-one trillion, three hundred ninety-seven billion, sixty-one million, nine hundred twenty thousand, nine hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1397061920927 × 10¹³

Factors of 21397061920927

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 196

Divisors of 21397061920927

• Number of divisors d(n): 288
• Complete list of divisors:
  1 7 11 17 19 41 77 101 119 121 133 187 209 287 289 323 451 697 707 779 847 1111 1309 1331 1463 1717 1919 2023 2057 2261 2299 3157 3179 3553 4141 4879 4961 5453 5491 7667 7777 8569 9317 10201 11849 12019 12221 13243 13433 14399 16093 18887 21109 22253 22627 24871 25289 28987 29189 32623 34727 34969 38437 39083 45551 53669 54571 59983 60401 70397 71407 78679 82943 84337 85547 92701 94259 112211 130339 132209 134431 145673 147763 158389 173417 177023 193819 204323 207757 225131 228361 232199 244783 273581 318857 321079 358853 381997 384659 418241 422807 429913 492779 501061 550753 554591 590359 659813 664411 774367 785477 865469 912373 927707 941017 1019711 1036849 1196749 1213919 1234321 1337543 1356733 1433729 1454299 1575917 1602403 1625393 1907587 2132009 2247553 2285327 2476441 2511971 2554189 2692613 2927687 2948089 3009391 3294923 3507427 3531869 3882137 3947383 4600651 4650877 5420569 5511671 6058283 6100501 6493949 7110097 7257943 7308521 7946579 8377243 8518037 8640247 9362801 9520159 10036103 11216821 13164239 13353109 13577531 14712973 14924063 15771019 15997289 17335087 17626433 17879323 20636623 20983457 22738231 23064461 23452099 24723083 27240851 27631681 32204557 32428979 36244153 38581697 38850559 42703507 43421213 49770679 50607161 51159647 55626053 56013691 59626259 66641113 67105511 78211067 87412369 92149673 93698407 95042717 102990811 104721749 110397133 120871649 123385031 135091843 144806629 146884199 159167617 161842703 164164693 190685957 227002853 230818027 250120541 253709071 257973089 271953913 299649361 303948491 354250127 356718769 392095837 398685683 469738577 547477469 556678771 611886583 616150601 655888849 733052243 738160621 846101543 860321737 945642901 961536059 1013646403 1132898921 1329588139 1486010273 1592872919 1615726189 1750843787 1780269733 1805811623 2097545527 2296561331 2497031383 2751325951 2790799781 3896751397 3923906459 4313054207 4385542513 5167124347 6022252159 6730752413 6777656611 9307116973 9463539107 10402071911 10576896649 11150110433 12461888131 14625469529 16075929317 16346113003 19259281657 25262174641 27467345213 30264585461 30698797591 47443596277 66244773749 74038276543 74554222721 102378286703 114422791021 160880164819 176835222487 179807243033 211852098227 277883921051 521879559047 1126161153733 1258650701231 1945187447357 3056723131561 21397061920927
• Sum of all divisors σ(n): 31118053639680
• Sum of proper divisors (its aliquot sum) s(n): 9720991718753
• 21397061920927 is a deficient number, because the sum of its proper divisors (9720991718753) is less than itself. Its deficiency is 11676070202174

Bases of 21397061920927

• Binary: 100110111010111100100010001100110100010011111₂
• Hexadecimal: 0x1375E446689F
• Base-36: 7L1OA7MOV

Squares and roots of 21397061920927

• 21397061920927 squared (21397061920927²) is 457834258847984239200539329
• 21397061920927 cubed (21397061920927³) is 9796307986092038991310112709747151637983
• The square root of 21397061920927 is 4625695.8309995913
• The cube root of 21397061920927 is 27762.0403540485

Scales and comparisons

• 21,397,061,920,927 seconds is equal to 680,360 years, 19 weeks, 6 days, 15 hours, 22 minutes, 7 seconds.
• To count from 1 to 21,397,061,920,927 would take you about one million, seven hundred thousand, nine hundred 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 21397061920927 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21397061920927

• 21397061920927 backwards is 72902916079312
• The number of decimal digits it has is: 14
• The sum of 21397061920927's digits is 58
• More coming soon!