138547038672

Names of 138547038672

• Cardinal: 138547038672 can be written as One hundred thirty-eight billion, five hundred forty-seven million, thirty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38547038672 × 10¹¹

Factors of 138547038672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 23209

Divisors of 138547038672

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 42 48 56 62 63 72 84 93 112 124 126 144 168 186 193 217 248 252 279 336 372 386 434 496 504 558 579 651 744 772 868 1008 1116 1158 1302 1351 1488 1544 1736 1737 1953 2232 2316 2604 2702 3088 3472 3474 3906 4053 4464 4632 5208 5404 5983 6948 7812 8106 9264 10416 10808 11966 12159 13896 15624 16212 17949 21616 22973 23932 24318 27792 31248 32424 35898 41881 45946 47864 48636 53847 64848 68919 71796 83762 91892 95728 97272 107694 125643 137838 143592 160811 167524 183784 194544 206757 215388 251286 275676 287184 321622 335048 367568 376929 413514 430776 482433 502572 551352 643244 670096 712163 753858 827028 861552 964866 1005144 1102704 1286488 1424326 1447299 1507716 1654056 1929732 2010288 2136489 2572976 2848652 2894598 3015432 3308112 3859464 4272978 4433789 4985141 5697304 5789196 6030864 6409467 7718928 8545956 8867578 9970282 11394608 11578392 12818934 13301367 14955423 17091912 17735156 19940564 23156784 25637868 26602734 29910846 31036523 34183824 35470312 39881128 39904101 44866269 51275736 53205468 59821692 62073046 70940624 79762256 79808202 89732538 93109569 102551472 106410936 119643384 124146092 137447459 159616404 179465076 186219138 212821872 239286768 248292184 274894918 279328707 319232808 358930152 372438276 412342377 496584368 549789836 558657414 638465616 717860304 744876552 824684754 962132213 1099579672 1117314828 1237027131 1489753104 1649369508 1924264426 2199159344 2234629656 2474054262 2886396639 3298739016 3848528852 4469259312 4948108524 5772793278 6597478032 7697057704 8659189917 9896217048 11545586556 15394115408 17318379834 19792434096 23091173112 34636759668 46182346224 69273519336 138547038672
• Sum of all divisors σ(n): 459815236608
• Sum of proper divisors (its aliquot sum) s(n): 321268197936
• 138547038672 is an abundant number, because the sum of its proper divisors (321268197936) is greater than itself. Its abundance is 182721159264

Bases of 138547038672

• Binary: 10000001000010000011000000100111010000₂
• Hexadecimal: 0x20420C09D0
• Base-36: 1RNBBV80

Squares and roots of 138547038672

• 138547038672 squared (138547038672²) is 19195281924780663523584
• 138547038672 cubed (138547038672³) is 2659449467152529184319812232040448
• The square root of 138547038672 is 372219.0734930169
• The cube root of 138547038672 is 5174.4685201433

Scales and comparisons

• 138,547,038,672 seconds is equal to 4,405 years, 19 weeks, 16 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,547,038,672 would take you about eight thousand, eight hundred ten 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 138547038672 cubic inches would be around 431.2 feet tall.

Recreational maths with 138547038672

• 138547038672 backwards is 276830745831
• The number of decimal digits it has is: 12
• The sum of 138547038672's digits is 54
• More coming soon!