138244947730187616

Names of 138244947730187616

• Cardinal: 138244947730187616 can be written as One hundred thirty-eight quadrillion, two hundred forty-four trillion, nine hundred forty-seven billion, seven hundred thirty million, one hundred eighty-seven thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.38244947730187616 × 10¹⁷

Factors of 138244947730187616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 238

Divisors of 138244947730187616

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 233 288 432 466 699 864 932 1398 1864 2097 2796 3728 4194 5592 6291 7456 8388 11184 12582 16776 22368 25164 33552 50328 54289 67104 100656 108578 162867 201312 217156 325734 434312 488601 651468 868624 977202 1302936 1465803 1737248 1954404 2605872 2931606 3908808 5211744 5863212 7817616 11726424 12649337 15635232 23452848 25298674 37948011 46905696 50597348 75896022 101194696 113844033 151792044 202389392 227688066 303584088 341532099 404778784 455376132 607168176 683064198 910752264 1214336352 1366128396 1821504528 2732256792 2947295521 3643009056 5464513584 5894591042 8841886563 10929027168 11789182084 17683773126 23578364168 26525659689 35367546252 47156728336 53051319378 70735092504 79576979067 94313456672 106102638756 141470185008 159153958134 212205277512 282940370016 318307916268 424410555024 636615832536 686719856393 848821110048 1273231665072 1373439712786 2060159569179 2546463330144 2746879425572 4120319138358 5493758851144 6180478707537 8240638276716 10987517702288 12360957415074 16481276553432 18541436122611 21975035404576 24721914830148 32962553106864 37082872245222 49443829660296 65925106213728 74165744490444 98887659320592 148331488980888 160005726539569 197775318641184 296662977961776 320011453079138 480017179618707 593325955923552 640022906158276 960034359237414 1280045812316552 1440051538856121 1920068718474828 2560091624633104 2880103077712242 3840137436949656 4320154616568363 5120183249266208 5760206155424484 7680274873899312 8640309233136726 11520412310848968 15360549747798624 17280618466273452 23040824621697936 34561236932546904 46081649243395872 69122473865093808 138244947730187616
• Sum of all divisors σ(n): 404952424116264360
• Sum of proper divisors (its aliquot sum) s(n): 266707476386076744
• 138244947730187616 is an abundant number, because the sum of its proper divisors (266707476386076744) is greater than itself. Its abundance is 128462528655889128

Bases of 138244947730187616

• Binary: 111101011001001010000110000101001011100110100010101100000₂
• Hexadecimal: 0x1EB250C29734560
• Base-36: 11T7QS8JS0O0

Squares and roots of 138244947730187616

• 138244947730187616 squared (138244947730187616²) is 19111665572922306081126658559763456
• 138244947730187616 cubed (138244947730187616³) is 2642091208165470361784545443481772715056503460560896
• The square root of 138244947730187616 is 371813054.8140928521
• The cube root of 138244947730187616 is 517070.4942618095
• Being both a perfect square and a perfect cube, 138244947730187616 is also a perfect sixth number.

Scales and comparisons

• 138,244,947,730,187,616 seconds is equal to 4,395,761,718 years, 6 weeks, 1 day, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 138,244,947,730,187,616 would take you about thirteen billion, one hundred eighty-seven million, two hundred eighty-five thousand, one hundred fifty-four 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 138244947730187616 cubic inches would be around 43089.2 feet tall.

Recreational maths with 138244947730187616

• 138244947730187616 backwards is 616781037749442831
• The number of decimal digits it has is: 18
• The sum of 138244947730187616's digits is 81
• More coming soon!