138431996950728

Names of 138431996950728

• Cardinal: 138431996950728 can be written as One hundred thirty-eight trillion, four hundred thirty-one billion, nine hundred ninety-six million, nine hundred fifty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38431996950728 × 10¹⁴

Factors of 138431996950728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 27369919

Divisors of 138431996950728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 29 39 43 52 58 78 86 87 104 116 129 156 169 172 174 232 258 312 338 344 348 377 507 516 559 676 696 754 1014 1032 1118 1131 1247 1352 1508 1677 2028 2236 2262 2494 3016 3354 3741 4056 4472 4524 4901 4988 6708 7267 7482 9048 9802 9976 13416 14534 14703 14964 16211 19604 21801 29068 29406 29928 32422 39208 43602 48633 58136 58812 64844 87204 97266 117624 129688 174408 194532 210743 389064 421486 632229 842972 1264458 1685944 2528916 5057832 27369829 54739658 82109487 109479316 164218974 218958632 328437948 355807777 656875896 711615554 793725041 1067423331 1176902647 1423231108 1587450082 2134846662 2353805294 2381175123 2846462216 3174900164 3530707941 4269693324 4625501101 4707610588 4762350246 6349800328 7061415882 8539386648 9251002202 9415221176 9524700492 10318425533 13876503303 14122831764 15299734411 18502004404 19049400984 20636851066 27753006606 28245663528 30599468822 30955276599 34130176763 37004008808 41273702132 45899203233 55506013212 61198937644 61910553198 68260353526 82547404264 91798406466 102390530289 111012026424 122397875288 123821106396 134139531929 136520707052 183596812932 198896547343 204781060578 247642212792 268279063858 273041414104 367193625864 397793094686 402418595787 409562121156 443692297919 536558127716 596689642029 795586189372 804837191574 819124242312 887384595838 1073116255432 1193379284058 1331076893757 1591172378744 1609674383148 1774769191676 2386758568116 2662153787514 3219348766296 3549538383352 4773517136232 5324307575028 5767999872947 10648615150056 11535999745894 17303999618841 23071999491788 34607999237682 46143998983576 69215998475364 138431996950728
• Sum of all divisors σ(n): 396687368088000
• Sum of proper divisors (its aliquot sum) s(n): 258255371137272
• 138431996950728 is an abundant number, because the sum of its proper divisors (258255371137272) is greater than itself. Its abundance is 119823374186544

Bases of 138431996950728

• Binary: 11111011110011100110110000000001111100011001000₂
• Hexadecimal: 0x7DE73600F8C8
• Base-36: 1D2IS4RXZC

Squares and roots of 138431996950728

• 138431996950728 squared (138431996950728²) is 19163417779766366290059729984
• 138431996950728 cubed (138431996950728³) is 2652830191654144358121801271122075032228352
• The square root of 138431996950728 is 11765712.7684950733
• The cube root of 138431996950728 is 51730.3592702229

Scales and comparisons

• 138,431,996,950,728 seconds is equal to 4,401,709 years, 15 weeks, 5 days, 22 hours, 18 minutes, 48 seconds.
• To count from 1 to 138,431,996,950,728 would take you about eleven million, four thousand, two hundred seventy-three 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 138431996950728 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138431996950728

• 138431996950728 backwards is 827059699134831
• The number of decimal digits it has is: 15
• The sum of 138431996950728's digits is 75
• More coming soon!