21125220982138

Names of 21125220982138

• Cardinal: 21125220982138 can be written as Twenty-one trillion, one hundred twenty-five billion, two hundred twenty million, nine hundred eighty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1125220982138 × 10¹³

Factors of 21125220982138

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3589

Divisors of 21125220982138

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 7 13 14 19 26 38 47 91 94 127 133 182 247 254 266 329 337 494 611 658 674 889 893 1222 1651 1729 1778 1786 2359 2413 3037 3302 3458 4277 4381 4718 4826 5969 6074 6251 6403 8554 8762 11557 11609 11938 12502 12806 15839 16891 21259 23114 23218 30667 31369 31678 33782 39481 41783 42518 42799 44821 57703 61334 62738 77597 78962 81263 83239 83566 85598 89642 110873 113411 115406 142739 155194 162526 166478 205907 219583 221746 226822 276367 285478 299593 300941 385699 403921 411814 439166 543179 552734 556387 582673 599186 601882 750139 771398 793877 807842 813181 999173 1023469 1086358 1112774 1165346 1441349 1474343 1500278 1587754 1626362 1855607 1998346 2011553 2046938 2106587 2699893 2712041 2882698 2948686 3711214 3894709 3912233 4023106 4213174 5014087 5250973 5399786 5424082 5692267 7164283 7328281 7789418 7824466 10028174 10320401 10501946 10571353 11384534 12989249 13305097 14080871 14328566 14656562 18127853 18984287 19445911 20640802 21142706 25978498 26150189 26610194 27385631 28161742 35098609 35256533 36255706 37968574 38219507 38891822 48103043 51297967 52300378 54771262 70197218 70513066 73999471 76439014 93135679 95267653 96206086 102595934 126894971 129980563 136121377 147998942 183051323 186271358 190535306 235662089 246795731 252796843 253789942 259961126 267536549 272242754 336721301 344429207 366102646 471324178 493591462 496853591 505593686 535073098 625339559 666873571 673442602 688858414 909863941 913957817 993707182 1250679118 1333747142 1649634623 1689747319 1769577901 1819727882 1827915634 2411004449 2469630697 3299269246 3379494638 3477975137 3539155802 4377376913 4477579691 4822008898 4939261394 6109086461 6397704719 6955950274 8754753826 8955159382 11828231233 11881451621 12218172922 12795409438 17287414879 23656462466 23762903242 31343057837 32105199061 34574829758 42763605227 62686115674 64210398122 79418123993 83170161347 85527210454 116072642759 158836247986 166340322694 224736393427 232145285518 449472786854 555926867951 812508499313 1111853735902 1508944355867 1625016998626 3017888711734 10562610491069 21125220982138
• Sum of all divisors σ(n): 42396006481920
• Sum of proper divisors (its aliquot sum) s(n): 21270785499782
• 21125220982138 is an abundant number, because the sum of its proper divisors (21270785499782) is greater than itself. Its abundance is 145564517644

Bases of 21125220982138

• Binary: 100110011011010011001010010101101110101111010₂
• Hexadecimal: 0x1336994ADD7A
• Base-36: 7HKSJ4VWA

Squares and roots of 21125220982138

• 21125220982138 squared (21125220982138²) is 446274961544163605315051044
• 21125220982138 cubed (21125220982138³) is 9427657181415594059335377612643282252072
• The square root of 21125220982138 is 4596218.1173371221
• The cube root of 21125220982138 is 27643.9704594175

Scales and comparisons

• 21,125,220,982,138 seconds is equal to 671,716 years, 35 weeks, 3 days, 11 hours, 28 minutes, 58 seconds.
• To count from 1 to 21,125,220,982,138 would take you about one million, six hundred seventy-nine thousand, two hundred ninety-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 21125220982138 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125220982138

• 21125220982138 backwards is 83128902252112
• The number of decimal digits it has is: 14
• The sum of 21125220982138's digits is 46
• More coming soon!