138948975072

Names of 138948975072

• Cardinal: 138948975072 can be written as One hundred thirty-eight billion, nine hundred forty-eight million, nine hundred seventy-five thousand and seventy-two.

Scientific notation

• Scientific notation: 1.38948975072 × 10¹¹

Factors of 138948975072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135332

Divisors of 138948975072

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 41 48 54 58 72 82 87 96 108 116 123 144 164 174 216 232 246 261 288 328 348 369 432 464 492 522 656 696 738 783 864 928 984 1044 1107 1189 1312 1392 1476 1566 1968 2088 2214 2378 2784 2952 3132 3567 3936 4176 4428 4756 5904 6264 7134 8352 8856 9512 10701 11808 12528 14268 17712 19024 21402 25056 28536 32103 35424 38048 42804 57072 64206 85608 114144 128412 135257 171216 256824 270514 342432 405771 513648 541028 811542 1027296 1082056 1217313 1623084 2164112 2434626 3246168 3651939 3922453 4328224 4869252 5545537 6492336 7303878 7844906 9738504 11091074 11767359 12984672 14607756 15689812 16636611 19477008 22182148 23534718 29215512 31379624 33273222 35302077 38954016 44364296 47069436 49909833 58431024 62759248 66546444 70604154 88728592 94138872 99819666 105906231 116862048 125518496 133092888 141208308 149729499 160820573 177457184 188277744 199639332 211812462 266185776 282416616 299458998 321641146 376555488 399278664 423624924 482461719 532371552 564833232 598917996 643282292 798557328 847249848 964923438 1129666464 1197835992 1286564584 1447385157 1597114656 1694499696 1929846876 2395671984 2573129168 2894770314 3388999392 3859693752 4342155471 4791343968 5146258336 5789540628 7719387504 8684310942 11579081256 15438775008 17368621884 23158162512 34737243768 46316325024 69474487536 138948975072
• Sum of all divisors σ(n): 429471201600
• Sum of proper divisors (its aliquot sum) s(n): 290522226528
• 138948975072 is an abundant number, because the sum of its proper divisors (290522226528) is greater than itself. Its abundance is 151573251456

Bases of 138948975072

• Binary: 10000001011010000000010001100111100000₂
• Hexadecimal: 0x205A0119E0
• Base-36: 1RTYMRC0

Squares and roots of 138948975072

• 138948975072 squared (138948975072²) is 19306817673559277405184
• 138948975072 cubed (138948975072³) is 2682662527643037069687244459573248
• The square root of 138948975072 is 372758.6016069917
• The cube root of 138948975072 is 5179.4675425529

Scales and comparisons

• 138,948,975,072 seconds is equal to 4,418 years, 7 weeks, 4 days, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,948,975,072 would take you about eight thousand, eight hundred thirty-six 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 138948975072 cubic inches would be around 431.6 feet tall.

Recreational maths with 138948975072

• 138948975072 backwards is 270579849831
• The number of decimal digits it has is: 12
• The sum of 138948975072's digits is 63
• More coming soon!