138994709672

Names of 138994709672

• Cardinal: 138994709672 can be written as One hundred thirty-eight billion, nine hundred ninety-four million, seven hundred nine thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38994709672 × 10¹¹

Factors of 138994709672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3445

Divisors of 138994709672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 31 49 52 56 62 91 98 104 124 182 196 217 248 283 364 392 403 434 566 637 728 806 868 1132 1274 1519 1612 1736 1981 2264 2548 2821 3038 3109 3224 3679 3962 5096 5642 6076 6218 7358 7924 8773 11284 12152 12436 13867 14716 15848 17546 19747 21763 22568 24872 25753 27734 29432 35092 39494 40417 43526 51506 55468 61411 70184 78988 80834 87052 96379 103012 110936 114049 122822 152341 157976 161668 174104 180271 192758 206024 228098 245644 282919 304682 323336 360542 385516 429877 456196 491288 565838 609364 674653 721084 771032 798343 859754 879847 912392 1131676 1218728 1252927 1349306 1442168 1596686 1719508 1759694 1980433 2263352 2505854 2698612 3193372 3439016 3519388 3960866 4722571 5011708 5397224 5588401 6158929 6386744 7038776 7921732 8770489 9445142 10023416 11176802 11438011 12317858 15843464 17540978 18890284 22353604 22876022 24635716 27275257 35081956 37780568 43112503 44707208 45752044 49271432 54550514 61393423 70163912 80066077 86225006 91504088 109101028 122786846 160132154 172450012 190926799 218202056 245573692 320264308 344900024 354578341 381853598 491147384 560462539 640528616 709156682 763707196 1120925078 1336487593 1418313364 1527414392 2241850156 2482048387 2672975186 2836626728 4483700312 4964096774 5345950372 9928193548 10691900744 17374338709 19856387096 34748677418 69497354836 138994709672
• Sum of all divisors σ(n): 338316249600
• Sum of proper divisors (its aliquot sum) s(n): 199321539928
• 138994709672 is an abundant number, because the sum of its proper divisors (199321539928) is greater than itself. Its abundance is 60326830256

Bases of 138994709672

• Binary: 10000001011100101110101111010010101000₂
• Hexadecimal: 0x205CBAF4A8
• Base-36: 1RUPV0DK

Squares and roots of 138994709672

• 138994709672 squared (138994709672²) is 19319529316803570347584
• 138994709672 cubed (138994709672³) is 2685312368388804771515466206632448
• The square root of 138994709672 is 372819.9426962029
• The cube root of 138994709672 is 5180.0357484749

Scales and comparisons

• 138,994,709,672 seconds is equal to 4,419 years, 31 weeks, 2 days, 1 hour, 34 minutes, 32 seconds.
• To count from 1 to 138,994,709,672 would take you about eight thousand, eight hundred thirty-nine 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 138994709672 cubic inches would be around 431.7 feet tall.

Recreational maths with 138994709672

• 138994709672 backwards is 276907499831
• The number of decimal digits it has is: 12
• The sum of 138994709672's digits is 65
• More coming soon!