138980818956

Names of 138980818956

• Cardinal: 138980818956 can be written as One hundred thirty-eight billion, nine hundred eighty million, eight hundred eighteen thousand, nine hundred fifty-six.

Scientific notation

• Scientific notation: 1.38980818956 × 10¹¹

Factors of 138980818956

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 332

Divisors of 138980818956

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 97 98 147 194 196 223 291 294 343 388 446 582 588 669 679 686 892 1029 1164 1338 1358 1372 1561 2037 2058 2401 2676 2716 3122 4074 4116 4683 4753 4802 6244 7203 8148 9366 9506 9604 10927 14259 14406 18732 19012 21631 21854 28518 28812 32781 33271 43262 43708 49729 57036 64893 65562 66542 76489 86524 99458 99813 129786 131124 133084 149187 151417 152978 198916 199626 229467 232897 259572 298374 302834 305956 348103 399252 454251 458934 465794 535423 596748 605668 696206 698691 908502 917868 931588 1044309 1059919 1070846 1392412 1397382 1606269 1817004 2088618 2119838 2141692 2436721 2794764 3179757 3212538 4177236 4239676 4823713 4873442 6359514 6425076 7310163 7419433 9647426 9746884 12719028 14471139 14620326 14838866 17057047 19294852 22258299 28942278 29240652 29677732 33765991 34114094 44516598 51171141 51936031 57884556 67531982 68228188 89033196 101297973 102342282 103872062 119399329 135063964 155808093 202595946 204684564 207744124 236361937 238798658 311616186 358197987 405191892 472723874 477597316 623232372 709085811 716395974 945447748 1418171622 1432791948 1654533559 2836343244 3309067118 4963600677 6618134236 9927201354 11581734913 19854402708 23163469826 34745204739 46326939652 69490409478 138980818956
• Sum of all divisors σ(n): 383935960632
• Sum of proper divisors (its aliquot sum) s(n): 244955141676
• 138980818956 is an abundant number, because the sum of its proper divisors (244955141676) is greater than itself. Its abundance is 105974322720

Bases of 138980818956

• Binary: 10000001011011111001110000000000001100₂
• Hexadecimal: 0x205BE7000C
• Base-36: 1RUHLA8C

Squares and roots of 138980818956

• 138980818956 squared (138980818956²) is 19315668037680448929936
• 138980818956 cubed (138980818956³) is 2684507362559062258912239144666816
• The square root of 138980818956 is 372801.3129751557
• The cube root of 138980818956 is 5179.8631836277

Scales and comparisons

• 138,980,818,956 seconds is equal to 4,419 years, 8 weeks, 2 days, 7 hours, 2 minutes, 36 seconds.
• To count from 1 to 138,980,818,956 would take you about eight thousand, eight hundred thirty-eight 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 138980818956 cubic inches would be around 431.7 feet tall.

Recreational maths with 138980818956

• 138980818956 backwards is 659818089831
• The number of decimal digits it has is: 12
• The sum of 138980818956's digits is 66
• More coming soon!