138431978142795264

Names of 138431978142795264

• Cardinal: 138431978142795264 can be written as One hundred thirty-eight quadrillion, four hundred thirty-one trillion, nine hundred seventy-eight billion, one hundred forty-two million, seven hundred ninety-five thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.38431978142795264 × 10¹⁷

Factors of 138431978142795264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 224924

Divisors of 138431978142795264

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 16229 31307 32458 48687 62614 64916 93921 97374 125228 129832 177383 187842 194748 250456 259664 354766 375684 389496 500912 519328 532149 709532 751368 778992 1001824 1038656 1064298 1419064 1502736 1557984 2003648 2077312 2128596 2838128 3005472 3115968 4007296 4154624 4257192 5676256 6010944 6231936 8014592 8309248 8514384 11352512 12021888 12463872 16029184 17028768 22705024 24043776 24927744 34057536 45410048 48087552 68115072 90820096 136230144 272460288 508081303 1016162606 1524243909 2032325212 2878748707 3048487818 4064650424 5553329581 5757497414 6096975636 8129300848 8636246121 11106659162 11514994828 12193951272 16258601696 16659988743 17272492242 22213318324 23029989656 24387902544 32517203392 33319977486 34544984484 44426636648 46059979312 48775805088 65034406784 66639954972 69089968968 88853273296 92119958624 97551610176 130068813568 133279909944 138179937936 177706546592 184239917248 195103220352 260137627136 266559819888 276359875872 355413093184 368479834496 390206440704 533119639776 552719751744 710826186368 736959668992 780412881408 1066239279552 1105439503488 1421652372736 1473919337984 2132478559104 2210879006976 2843304745472 4264957118208 4421758013952 8529914236416 90124985770049 180249971540098 270374957310147 360499943080196 540749914620294 720999886160392 1081499829240588 1441999772320784 2162999658481176 2883999544641568 4325999316962352 5767999089283136 8651998633924704 11535998178566272 17303997267849408 23071996357132544 34607994535698816 46143992714265088 69215989071397632 138431978142795264
• Sum of all divisors σ(n): 368828025824459520
• Sum of proper divisors (its aliquot sum) s(n): 230396047681664256
• 138431978142795264 is an abundant number, because the sum of its proper divisors (230396047681664256) is greater than itself. Its abundance is 91964069538868992

Bases of 138431978142795264

• Binary: 111101011110011110010011010010010110000011000011000000000₂
• Hexadecimal: 0x1EBCF2692C18600
• Base-36: 11V21GTMGNPC

Squares and roots of 138431978142795264

• 138431978142795264 squared (138431978142795264²) is 19163412572527345709494871420829696
• 138431978142795264 cubed (138431978142795264³) is 2652829110381473483090149909447712689602119539359744
• The square root of 138431978142795264 is 372064481.1626007173
• The cube root of 138431978142795264 is 517303.5692745727

Scales and comparisons

• 138,431,978,142,795,264 seconds is equal to 4,401,708,706 years, 37 weeks, 2 days, 7 hours, 34 minutes, 24 seconds.
• To count from 1 to 138,431,978,142,795,264 would take you about thirteen billion, two hundred five million, one hundred twenty-six thousand, one hundred twenty 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 138431978142795264 cubic inches would be around 43108.6 feet tall.

Recreational maths with 138431978142795264

• 138431978142795264 backwards is 462597241879134831
• The number of decimal digits it has is: 18
• The sum of 138431978142795264's digits is 84
• More coming soon!