138934478718

Names of 138934478718

• Cardinal: 138934478718 can be written as One hundred thirty-eight billion, nine hundred thirty-four million, four hundred seventy-eight thousand, seven hundred eighteen.

Scientific notation

• Scientific notation: 1.38934478718 × 10¹¹

Factors of 138934478718

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3673

Divisors of 138934478718

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 81 93 126 162 186 189 217 243 279 378 409 434 486 558 567 651 818 837 1134 1227 1302 1674 1701 1953 2454 2511 2863 3221 3402 3681 3906 5022 5726 5859 6442 7362 7533 8589 9663 11043 11718 12679 15066 17178 17577 19326 22086 22547 25358 25767 28989 33129 35154 38037 45094 51534 52731 57978 66258 67641 76074 77301 86967 88753 99387 99851 105462 114111 135282 154602 173934 177506 198774 199702 202923 228222 231903 260901 266259 299553 342333 405846 463806 521802 532518 599106 608769 684666 695709 698957 782703 798777 898659 1026999 1217538 1317389 1391418 1397914 1565406 1597554 1797318 1826307 2053998 2096871 2396331 2634778 2695977 3080997 3652614 3952167 4193742 4792662 5391954 5478921 6161994 6290613 7188993 7904334 8087931 9221723 10957842 11856501 12581226 14377986 16175862 18443446 18871839 21566979 23713002 24263793 27665169 35569503 37743678 40839059 43133958 48527586 55330338 56615517 71139006 81678118 82995507 106708509 113231034 122517177 165991014 169846551 213417018 245034354 248986521 285873413 320125527 339693102 367551531 497973042 571746826 640251054 735103062 746959563 857620239 1102654593 1493919126 1715240478 2205309186 2240878689 2572860717 3307963779 4481757378 5145721434 6615927558 7718582151 9923891337 15437164302 19847782674 23155746453 46311492906 69467239359 138934478718
• Sum of all divisors σ(n): 369293783040
• Sum of proper divisors (its aliquot sum) s(n): 230359304322
• 138934478718 is an abundant number, because the sum of its proper divisors (230359304322) is greater than itself. Its abundance is 91424825604

Bases of 138934478718

• Binary: 10000001011001001000111110011101111110₂
• Hexadecimal: 0x205923E77E
• Base-36: 1RTQ01VI

Squares and roots of 138934478718

• 138934478718 squared (138934478718²) is 19302789376642394923524
• 138934478718 cubed (138934478718³) is 2681822979847159303798896415562232
• The square root of 138934478718 is 372739.1564056559
• The cube root of 138934478718 is 5179.2874140651

Scales and comparisons

• 138,934,478,718 seconds is equal to 4,417 years, 35 weeks, 4 days, 22 hours, 45 minutes, 18 seconds.
• To count from 1 to 138,934,478,718 would take you about eight thousand, eight hundred thirty-five 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 138934478718 cubic inches would be around 431.6 feet tall.

Recreational maths with 138934478718

• 138934478718 backwards is 817874439831
• 138934478718 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138934478718's digits is 63
• More coming soon!