138440031055073939456

Names of 138440031055073939456

• Cardinal: 138440031055073939456 can be written as One hundred thirty-eight quintillion, four hundred forty quadrillion, thirty-one trillion, fifty-five billion, seventy-three million, nine hundred thirty-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.38440031055073939456 × 10²⁰

Factors of 138440031055073939456

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 11180

Divisors of 138440031055073939456

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 116 128 232 256 464 512 841 928 1024 1682 1856 2048 3364 3712 4096 6728 7424 11149 13456 14848 22298 24389 26912 29696 44596 48778 53824 59392 89192 97556 107648 118784 178384 195112 215296 323321 356768 390224 430592 646642 713536 780448 861184 1293284 1427072 1560896 1722368 2586568 2854144 3121792 3444736 5173136 5708288 6243584 9376309 10346272 11416576 12487168 18752618 20692544 22833152 24974336 37505236 41385088 45666304 49948672 75010472 82770176 99897344 124300201 150020944 165540352 248600402 271912961 300041888 331080704 497200804 543825922 600083776 662161408 994401608 1087651844 1200167552 1324322816 1988803216 2175303688 2400335104 3604705829 3977606432 4350607376 4800670208 7209411658 7955212864 8701214752 9601340416 14418823316 15910425728 17402429504 19202680832 28837646632 31820851456 34804859008 38405361664 57675293264 63641702912 69609718016 104536469041 115350586528 127283405824 139219436032 209072938082 230701173056 254566811648 278438872064 418145876164 461402346112 509133623296 556877744128 836291752328 922804692224 1113755488256 1672583504656 1845609384448 3031557602189 3345167009312 3691218768896 6063115204378 6690334018624 7382437537792 12126230408756 13380668037248 14764875075584 24252460817512 26761336074496 48504921635024 53522672148992 97009843270048 107045344297984 194019686540096 214090688595968 388039373080192 428181377191936 776078746160384 1552157492320768 3104314984641536 6208629969283072 12417259938566144
• Sum of all divisors σ(n): 138453334392948168972
• Sum of proper divisors (its aliquot sum) s(n): 13303337874229516
• 138440031055073939456 is a deficient number, because the sum of its proper divisors (13303337874229516) is less than itself. Its deficiency is 138426727717199709940

Bases of 138440031055073939456

• Binary: 1111000000100111101110010101100001000000011101110101001000000000000₂
• Hexadecimal: 0x7813DCAC203BA9000
• Base-36: T7SVZ9ZPTF9Q8

Squares and roots of 138440031055073939456

• 138440031055073939456 squared (138440031055073939456²) is 19165642198529836774194665079203153575936
• 138440031055073939456 cubed (138440031055073939456³) is 2653292101154906175521640396311061364080572618781369162530816
• The square root of 138440031055073939456 is 11766054183.7556544313
• 138440031055073939456 is a perfect cube number. Its cube root is 5173136

Scales and comparisons

• 138,440,031,055,073,939,456 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,440,031,055,073,939,456 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138440031055073939456 cubic inches would be around 431094.7 feet tall.

Recreational maths with 138440031055073939456

• 138440031055073939456 backwards is 654939370550130044831
• The number of decimal digits it has is: 21
• The sum of 138440031055073939456's digits is 80
• More coming soon!