138013691904

Names of 138013691904

• Cardinal: 138013691904 can be written as One hundred thirty-eight billion, thirteen million, six hundred ninety-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.38013691904 × 10¹¹

Factors of 138013691904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 30957

Divisors of 138013691904

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 256 264 288 352 363 384 396 484 512 528 576 704 726 768 792 968 1024 1056 1089 1152 1408 1452 1536 1584 1936 2048 2112 2178 2304 2816 2904 3072 3168 3872 4096 4224 4356 4608 5632 5808 6144 6336 7744 8448 8712 9216 11264 11616 12288 12672 15488 16896 17424 18432 22528 23232 25344 30941 30976 33792 34848 36864 45056 46464 50688 61882 61952 67584 69696 92823 92928 101376 123764 123904 135168 139392 185646 185856 202752 247528 247808 278469 278784 340351 371292 371712 405504 495056 495616 556938 557568 680702 742584 743424 990112 1021053 1113876 1115136 1361404 1485168 1486848 1980224 2042106 2227752 2230272 2722808 2970336 3063159 3743861 3960448 4084212 4455504 4460544 5445616 5940672 6126318 7487722 7920896 8168424 8911008 10891232 11231583 11881344 12252636 14975444 15841792 16336848 17822016 21782464 22463166 23762688 24505272 29950888 31683584 32673696 33694749 35644032 43564928 44926332 47525376 49010544 59901776 63367168 65347392 67389498 71288064 87129856 89852664 95050752 98021088 119803552 126734336 130694784 134778996 142576128 174259712 179705328 190101504 196042176 239607104 261389568 269557992 285152256 348519424 359410656 380203008 392084352 479214208 522779136 539115984 570304512 697038848 718821312 784168704 958428416 1045558272 1078231968 1140609024 1394077696 1437642624 1568337408 1916856832 2091116544 2156463936 2875285248 3136674816 3833713664 4182233088 4312927872 5750570496 6273349632 7667427328 8625855744 11501140992 12546699264 15334854656 17251711488 23002281984 34503422976 46004563968 69006845952 138013691904
• Sum of all divisors σ(n): 438207999138
• Sum of proper divisors (its aliquot sum) s(n): 300194307234
• 138013691904 is an abundant number, because the sum of its proper divisors (300194307234) is greater than itself. Its abundance is 162180615330

Bases of 138013691904

• Binary: 10000000100010010000011101000000000000₂
• Hexadecimal: 0x202241D000
• Base-36: 1REHSE80

Squares and roots of 138013691904

• 138013691904 squared (138013691904²) is 19047779152972235145216
• 138013691904 cubed (138013691904³) is 2628854323473744147198081723531264
• The square root of 138013691904 is 371501.9406463445
• The cube root of 138013691904 is 5167.8201524061

Scales and comparisons

• 138,013,691,904 seconds is equal to 4,388 years, 21 weeks, 1 day, 16 hours, 38 minutes, 24 seconds.
• To count from 1 to 138,013,691,904 would take you about eight thousand, seven hundred seventy-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 138013691904 cubic inches would be around 430.7 feet tall.

Recreational maths with 138013691904

• 138013691904 backwards is 409196310831
• The number of decimal digits it has is: 12
• The sum of 138013691904's digits is 45
• More coming soon!