20997942498

Names of 20997942498

• Cardinal: 20997942498 can be written as Twenty billion, nine hundred ninety-seven million, nine hundred forty-two thousand, four hundred ninety-eight.

Scientific notation

• Scientific notation: 2.0997942498 × 10¹⁰

Factors of 20997942498

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 162

Divisors of 20997942498

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 47 54 78 81 94 97 117 141 162 194 234 243 282 291 351 423 486 582 611 702 729 846 873 1053 1222 1261 1269 1458 1746 1833 2106 2187 2522 2538 2619 3159 3666 3783 3807 4374 4559 5238 5499 6318 6561 7566 7614 7857 9118 9477 10998 11349 11421 13122 13677 15714 16497 18954 19683 22698 22842 23571 27354 28431 32994 34047 34263 39366 41031 47142 49491 56862 59049 59267 68094 68526 70713 82062 85293 98982 102141 102789 118098 118534 123093 141426 148473 170586 177147 177801 204282 205578 212139 246186 255879 296946 306423 308367 354294 355602 369279 424278 445419 511758 533403 612846 616734 636417 738558 767637 890838 919269 925101 1066806 1107837 1272834 1336257 1535274 1600209 1838538 1850202 1909251 2215674 2302911 2672514 2757807 2775303 3200418 3323511 3818502 4008771 4605822 4800627 5515614 5550606 5727753 6647022 8017542 8273421 8325909 9601254 9970533 11455506 12026313 14401881 16546842 16651818 17183259 19941066 24052626 24820263 28803762 29911599 34366518 36078939 43205643 49640526 59823198 72157878 74460789 86411286 89734797 108236817 129616929 148921578 179469594 216473634 223382367 259233858 269204391 388850787 446764734 538408782 777701574 807613173 1166552361 1615226346 2333104722 3499657083 6999314166 10498971249 20997942498
• Sum of all divisors σ(n): 52497768960
• Sum of proper divisors (its aliquot sum) s(n): 31499826462
• 20997942498 is an abundant number, because the sum of its proper divisors (31499826462) is greater than itself. Its abundance is 10501883964

Bases of 20997942498

• Binary: 10011100011100100110010110011100010₂
• Hexadecimal: 0x4E3932CE2
• Base-36: 9N9MS4I

Squares and roots of 20997942498

• 20997942498 squared (20997942498²) is 440913589149314480004
• 20997942498 cubed (20997942498³) is 9258278191544102187242762809992
• The square root of 20997942498 is 144906.6682316585
• The cube root of 20997942498 is 2758.8340703905

Scales and comparisons

• 20,997,942,498 seconds is equal to 667 years, 34 weeks, 5 days, 17 hours, 48 minutes, 18 seconds.
• To count from 1 to 20,997,942,498 would take you about one thousand, three hundred thirty-five 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 20997942498 cubic inches would be around 229.9 feet tall.

Recreational maths with 20997942498

• 20997942498 backwards is 89424979902
• The number of decimal digits it has is: 11
• The sum of 20997942498's digits is 63
• More coming soon!