138890984512

Names of 138890984512

• Cardinal: 138890984512 can be written as One hundred thirty-eight billion, eight hundred ninety million, nine hundred eighty-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.38890984512 × 10¹¹

Factors of 138890984512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 371

Divisors of 138890984512

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 79 98 112 158 196 224 283 316 343 392 448 553 566 632 686 784 1106 1132 1264 1372 1568 1981 2212 2264 2528 2744 3136 3871 3962 4424 4528 5056 5488 7742 7924 8848 9056 10976 13867 15484 15848 17696 18112 21952 22357 27097 27734 30968 31696 35392 44714 54194 55468 61936 63392 80089 89428 97069 108388 110936 123872 126784 156499 160178 178856 194138 216776 221872 247744 312998 320356 357712 388276 433552 443744 560623 625996 640712 715424 776552 867104 887488 1095493 1121246 1251992 1281424 1430848 1553104 1734208 2190986 2242492 2503984 2562848 3106208 3924361 4381972 4484984 5007968 5125696 6212416 6327031 7668451 7848722 8763944 8969968 10015936 12654062 15336902 15697444 17527888 17939936 25308124 27470527 30673804 31394888 35055776 35879872 44289217 50616248 54941054 61347608 62789776 70111552 88578434 101232496 109882108 122695216 125579552 177156868 202464992 219764216 245390432 251159104 310024519 354313736 404929984 439528432 490780864 620049038 708627472 879056864 1240098076 1417254944 1758113728 2170171633 2480196152 2834509888 4340343266 4960392304 8680686532 9920784608 17361373064 19841569216 34722746128 69445492256 138890984512
• Sum of all divisors σ(n): 326635872000
• Sum of proper divisors (its aliquot sum) s(n): 187744887488
• 138890984512 is an abundant number, because the sum of its proper divisors (187744887488) is greater than itself. Its abundance is 48853902976

Bases of 138890984512

• Binary: 10000001010110100011000011110001000000₂
• Hexadecimal: 0x20568C3C40
• Base-36: 1RT03TJ4

Squares and roots of 138890984512

• 138890984512 squared (138890984512²) is 19290705578712623878144
• 138890984512 cubed (138890984512³) is 2679305089758527039958179679305728
• The square root of 138890984512 is 372680.8078127985
• The cube root of 138890984512 is 5178.7468894785

Scales and comparisons

• 138,890,984,512 seconds is equal to 4,416 years, 15 weeks, 5 days, 13 hours, 1 minute, 52 seconds.
• To count from 1 to 138,890,984,512 would take you about eight thousand, eight hundred thirty-two 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 138890984512 cubic inches would be around 431.6 feet tall.

Recreational maths with 138890984512

• 138890984512 backwards is 215489098831
• The number of decimal digits it has is: 12
• The sum of 138890984512's digits is 58
• More coming soon!