138641669892

Names of 138641669892

• Cardinal: 138641669892 can be written as One hundred thirty-eight billion, six hundred forty-one million, six hundred sixty-nine thousand, eight hundred ninety-two.

Scientific notation

• Scientific notation: 1.38641669892 × 10¹¹

Factors of 138641669892

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1030

Divisors of 138641669892

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 31 33 36 44 53 62 66 93 99 106 124 132 159 186 198 212 279 318 341 372 396 409 477 521 558 583 636 682 818 954 1023 1042 1116 1166 1227 1364 1563 1636 1643 1749 1908 2046 2084 2332 2454 3069 3126 3286 3498 3681 4092 4499 4689 4908 4929 5247 5731 6138 6252 6572 6996 7362 8998 9378 9858 10494 11462 12276 12679 13497 14724 14787 16151 17193 17996 18073 18756 19716 20988 21677 22924 25358 26994 27613 29574 32302 34386 36146 38037 40491 43354 48453 50716 51579 53988 54219 55226 59148 64604 65031 68772 72292 76074 80982 82839 86708 96906 103158 108438 110452 114111 130062 139469 145359 152148 161964 162657 165678 177661 193812 195093 206316 213089 216876 228222 238447 248517 260124 278938 290718 303743 325314 331356 355322 390186 418407 426178 456444 476894 497034 532983 557876 581436 607486 639267 650628 671987 710644 715341 780372 836814 852356 856003 911229 953788 994068 1065966 1214972 1255221 1278534 1343974 1430682 1598949 1673628 1712006 1822458 1917801 2015961 2131932 2146023 2343979 2510442 2557068 2568009 2687948 2733687 2861364 3197898 3424012 3644916 3835602 4031922 4292046 4687958 5020884 5136018 5467374 6047883 6395796 6605759 7031937 7391857 7671204 7704027 8063844 8584092 9375916 9416033 10272036 10934748 11293717 12095766 13211518 14063874 14783714 15408054 18832066 19817277 21095811 22175571 22587434 24191532 26423036 28127748 28248099 29567428 30816108 33881151 37664132 39634554 42191622 44351142 45174868 56496198 59451831 66526713 67762302 72663349 79269108 84383244 84744297 88702284 101643453 112992396 118903662 124230887 133053426 135524604 145326698 169488594 203286906 217990047 237807324 248461774 266106852 290653396 338977188 350105227 372692661 406573812 435980094 496923548 653970141 700210454 745385322 871960188 1050315681 1118077983 1307940282 1400420908 1490770644 2100631362 2236155966 2615880564 3150947043 3851157497 4201262724 4472311932 6301894086 7702314994 11553472491 12603788172 15404629988 23106944982 34660417473 46213889964 69320834946 138641669892
• Sum of all divisors σ(n): 403850603520
• Sum of proper divisors (its aliquot sum) s(n): 265208933628
• 138641669892 is an abundant number, because the sum of its proper divisors (265208933628) is greater than itself. Its abundance is 126567263736

Bases of 138641669892

• Binary: 10000001000111101011111111111100000100₂
• Hexadecimal: 0x2047AFFF04
• Base-36: 1ROVO550

Squares and roots of 138641669892

• 138641669892 squared (138641669892²) is 19221512630442299291664
• 138641669892 cubed (138641669892³) is 2664902608934689848348345715380288
• The square root of 138641669892 is 372346.1694337677
• The cube root of 138641669892 is 5175.6463507463

Scales and comparisons

• 138,641,669,892 seconds is equal to 4,408 years, 19 weeks, 3 days, 22 hours, 58 minutes, 12 seconds.
• To count from 1 to 138,641,669,892 would take you about eight thousand, eight hundred sixteen 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 138641669892 cubic inches would be around 431.3 feet tall.

Recreational maths with 138641669892

• 138641669892 backwards is 298966146831
• The number of decimal digits it has is: 12
• The sum of 138641669892's digits is 63
• More coming soon!