138944041665

Names of 138944041665

• Cardinal: 138944041665 can be written as One hundred thirty-eight billion, nine hundred forty-four million, forty-one thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.38944041665 × 10¹¹

Factors of 138944041665

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1260

Divisors of 138944041665

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 11 13 15 33 39 41 55 65 121 123 143 165 195 205 363 429 451 533 605 615 715 1187 1331 1353 1573 1599 1815 2145 2255 2665 3561 3993 4719 4961 5863 5935 6655 6765 7865 7995 13057 14641 14883 15431 17303 17589 17805 19965 23595 24805 29315 39171 43923 46293 48667 51909 54571 64493 65285 73205 74415 77155 86515 87945 143627 146001 163713 169741 190333 193479 195855 219615 231465 243335 259545 272855 322465 430881 509223 535337 570999 600281 632671 709423 718135 730005 818565 848705 951665 967395 1579897 1606011 1800843 1867151 1898013 2128269 2154405 2546115 2676685 2854995 3001405 3163355 3547115 4739691 5601453 5888707 6959381 7803653 7899485 8030055 9004215 9335755 9490065 10641345 17378867 17666121 20538661 20878143 23410959 23698455 28007265 29443535 34796905 39018265 52136601 61615983 64775777 76553191 86894335 88330605 102693305 104390715 117054795 194327331 225925271 229659573 260683005 308079915 323878885 382765955 677775813 712533547 842085101 971636655 1129626355 1148297865 2137600641 2526255303 3388879065 3562667735 4210425505 9262936111 10688003205 12631276515 27788808333 46314680555 138944041665
• Sum of all divisors σ(n): 270001226880
• Sum of proper divisors (its aliquot sum) s(n): 131057185215
• 138944041665 is a deficient number, because the sum of its proper divisors (131057185215) is less than itself. Its deficiency is 7886856450

Bases of 138944041665

• Binary: 10000001011001101101011101001011000001₂
• Hexadecimal: 0x2059B5D2C1
• Base-36: 1RTVP0OX

Squares and roots of 138944041665

• 138944041665 squared (138944041665²) is 19305446714205255972225
• 138944041665 cubed (138944041665³) is 2682376792619972433166820482754625
• The square root of 138944041665 is 372751.9841194679
• The cube root of 138944041665 is 5179.4062425353

Scales and comparisons

• 138,944,041,665 seconds is equal to 4,417 years, 51 weeks, 3 days, 15 hours, 7 minutes, 45 seconds.
• To count from 1 to 138,944,041,665 would take you about eight thousand, eight hundred thirty-five 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 138944041665 cubic inches would be around 431.6 feet tall.

Recreational maths with 138944041665

• 138944041665 backwards is 566140449831
• The number of decimal digits it has is: 12
• The sum of 138944041665's digits is 51
• More coming soon!