138039014520

Names of 138039014520

• Cardinal: 138039014520 can be written as One hundred thirty-eight billion, thirty-nine million, fourteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.3803901452 × 10¹¹

Factors of 138039014520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 810723

Divisors of 138039014520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 43 44 45 55 60 66 72 86 88 90 99 110 120 129 132 165 172 180 198 215 220 258 264 330 344 360 387 396 430 440 473 495 516 645 660 774 792 860 946 990 1032 1290 1320 1419 1548 1720 1892 1935 1980 2365 2580 2838 3096 3784 3870 3960 4257 4730 5160 5676 7095 7740 8514 9460 11352 14190 15480 17028 18920 21285 28380 34056 42570 56760 85140 170280 810659 1621318 2431977 3242636 4053295 4863954 6485272 7295931 8106590 8917249 9727908 12159885 14591862 16213180 17834498 19455816 24319770 26751747 29183724 32426360 34858337 35668996 36479655 44586245 48639540 53503494 58367448 69716674 71337992 72959310 80255241 89172490 97279080 104575011 107006988 133758735 139433348 145918620 160510482 174291685 178344980 209150022 214013976 267517470 278866696 291837240 313725033 321020964 348583370 356689960 383441707 401276205 418300044 522875055 535034940 627450066 642041928 697166740 766883414 802552410 836600088 1045750110 1070069880 1150325121 1254900132 1394333480 1533766828 1568625165 1605104820 1917208535 2091500220 2300650242 2509800264 3067533656 3137250330 3210209640 3450975363 3834417070 4183000440 4601300484 5751625605 6274500660 6901950726 7668834140 9202600968 11503251210 12549001320 13803901452 15337668280 17254876815 23006502420 27607802904 34509753630 46013004840 69019507260 138039014520
• Sum of all divisors σ(n): 500793321600
• Sum of proper divisors (its aliquot sum) s(n): 362754307080
• 138039014520 is an abundant number, because the sum of its proper divisors (362754307080) is greater than itself. Its abundance is 224715292560

Bases of 138039014520

• Binary: 10000000100011110001000011010001111000₂
• Hexadecimal: 0x2023C43478
• Base-36: 1REWV5A0

Squares and roots of 138039014520

• 138039014520 squared (138039014520²) is 19054769529652770830400
• 138039014520 cubed (138039014520³) is 2630301607778992403215818057408000
• The square root of 138039014520 is 371536.0204879199
• The cube root of 138039014520 is 5168.1361952585

Scales and comparisons

• 138,039,014,520 seconds is equal to 4,389 years, 11 weeks, 18 hours, 42 minutes.
• To count from 1 to 138,039,014,520 would take you about eight thousand, seven hundred seventy-eight 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 138039014520 cubic inches would be around 430.7 feet tall.

Recreational maths with 138039014520

• 138039014520 backwards is 025410930831
• 138039014520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138039014520's digits is 36
• More coming soon!