138231635724

Names of 138231635724

• Cardinal: 138231635724 can be written as One hundred thirty-eight billion, two hundred thirty-one million, six hundred thirty-five thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.38231635724 × 10¹¹

Factors of 138231635724

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 57906

Divisors of 138231635724

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 243 252 273 324 351 364 378 468 486 546 567 702 729 756 819 972 1053 1092 1134 1404 1458 1638 1701 2106 2187 2268 2457 2916 3159 3276 3402 4212 4374 4914 5103 6318 6561 6804 7371 8748 9477 9828 10206 12636 13122 14742 15309 18954 20412 22113 26244 28431 29484 30618 37908 44226 45927 56862 57881 61236 66339 85293 88452 91854 113724 115762 132678 170586 173643 183708 199017 231524 265356 341172 347286 398034 405167 520929 597051 694572 752453 796068 810334 1041858 1194102 1215501 1504906 1562787 1620668 2083716 2257359 2388204 2431002 3009812 3125574 3646503 4514718 4688361 4862004 5267171 6251148 6772077 7293006 9029436 9376722 10534342 10939509 13544154 14065083 14586012 15801513 18753444 20316231 21068684 21879018 27088308 28130166 31603026 32818527 40632462 42195249 43758036 47404539 56260332 60948693 63206052 65637054 81264924 84390498 94809078 98455581 121897386 126585747 131274108 142213617 168780996 182846079 189618156 196911162 243794772 253171494 284427234 295366743 365692158 379757241 393822324 426640851 506342988 548538237 568854468 590733486 731384316 759514482 853281702 886100229 1097076474 1181466972 1279922553 1519028964 1645614711 1706563404 1772200458 2194152948 2559845106 2658300687 3291229422 3544400916 3839767659 4936844133 5119690212 5316601374 6582458844 7679535318 9873688266 10633202748 11519302977 15359070636 19747376532 23038605954 34557908931 46077211908 69115817862 138231635724
• Sum of all divisors σ(n): 446579541408
• Sum of proper divisors (its aliquot sum) s(n): 308347905684
• 138231635724 is an abundant number, because the sum of its proper divisors (308347905684) is greater than itself. Its abundance is 170116269960

Bases of 138231635724

• Binary: 10000000101111001111110101111100001100₂
• Hexadecimal: 0x202F3F5F0C
• Base-36: 1RI3JOR0

Squares and roots of 138231635724

• 138231635724 squared (138231635724²) is 19107985114932633004176
• 138231635724 cubed (138231635724³) is 2641328037826981998233436602783424
• The square root of 138231635724 is 371795.1529054675
• The cube root of 138231635724 is 5170.5389699085

Scales and comparisons

• 138,231,635,724 seconds is equal to 4,395 years, 17 weeks, 4 days, 4 hours, 35 minutes, 24 seconds.
• To count from 1 to 138,231,635,724 would take you about eight thousand, seven hundred ninety 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 138231635724 cubic inches would be around 430.9 feet tall.

Recreational maths with 138231635724

• 138231635724 backwards is 427536132831
• The number of decimal digits it has is: 12
• The sum of 138231635724's digits is 45
• More coming soon!