642990381135025

Names of 642990381135025

• Cardinal: 642990381135025 can be written as Six hundred forty-two trillion, nine hundred ninety billion, three hundred eighty-one million, one hundred thirty-five thousand and twenty-five.

Scientific notation

• Scientific notation: 6.42990381135025 × 10¹⁴

Factors of 642990381135025

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120

Divisors of 642990381135025

• Number of divisors d(n): 225
• Complete list of divisors:
  1 5 7 11 25 35 49 55 77 97 121 175 245 275 343 385 485 539 605 679 847 1067 1225 1715 1925 2401 2425 2695 3025 3395 3773 4235 4753 5335 5929 7469 8575 9409 11737 12005 13475 16975 18865 21175 23765 26411 26675 29645 33271 37345 41503 47045 52283 58685 60025 65863 82159 94325 103499 118825 132055 148225 166355 186725 207515 232897 235225 261415 290521 293425 329315 365981 410795 461041 517495 575113 660275 724493 831775 912673 1037575 1138489 1164485 1307075 1452605 1646575 1829905 2053975 2305205 2561867 2587475 2875565 3227287 3622465 4025791 4563365 5071451 5692445 5822425 6388711 7263025 7969423 9149525 10039403 11526025 12809335 14377825 16136435 18112325 20128955 22591009 22816825 25357255 28180537 28462225 31943555 35500157 39847115 44720977 50197015 55785961 64046675 70275821 80682175 88529281 100644775 110433433 112955045 126786275 140902685 159717775 177500785 199235575 223604885 248501099 250985075 278929805 313046839 351379105 390501727 442646405 491930747 552167165 564775225 619704967 704513425 773034031 887503925 973822091 1118024425 1242505495 1394649025 1565234195 1756895525 1952508635 2191327873 2213232025 2459653735 2733512089 2760835825 3098524835 3443515229 3865170155 4337934769 4869110455 5411238217 6212527475 6816754637 7826170975 9762543175 10712043001 10956639365 12298268675 13667560445 15492624175 17217576145 19325850775 21689673845 24104606603 24345552275 27056191085 30365543383 34083773185 37878667519 47717282459 53560215005 54783196825 68337802225 74984301007 86087880725 108448369225 120523033015 135280955425 151827716915 170418865925 189393337595 212558803681 238586412295 265150672633 267801075025 334020977213 374921505035 524890107049 602615165075 759138584575 946966687975 1062794018405 1192932061475 1325753363165 1670104886065 1874607525175 2338146840491 2624450535245 3674230749343 5313970092025 6628766815825 8350524430325 11690734202455 13122252676225 18371153746715 25719615245401 58453671012275 91855768733575 128598076227005 642990381135025
• Sum of all divisors σ(n): 1033032254742103
• Sum of proper divisors (its aliquot sum) s(n): 390041873607078
• 642990381135025 is a deficient number, because the sum of its proper divisors (390041873607078) is less than itself. Its deficiency is 252948507527947

Bases of 642990381135025

• Binary: 10010010001100101111011101010000101111010010110001₂
• Hexadecimal: 0x248CBDD42F4B1
• Base-36: 6BX5PBEOXD

Squares and roots of 642990381135025

• 642990381135025 squared (642990381135025²) is 413436630232164713407281750625
• 642990381135025 cubed (642990381135025³) is 265835776448159988525601941436533956503140625
• 642990381135025 is a perfect square number. Its square root is 25357255
• The cube root of 642990381135025 is 86311.3995296831

Scales and comparisons

• 642,990,381,135,025 seconds is equal to 20,445,105 years, 11 weeks, 3 days, 4 hours, 10 minutes, 25 seconds.
• To count from 1 to 642,990,381,135,025 would take you about fifty-one million, one hundred twelve thousand, seven hundred sixty-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 642990381135025 cubic inches would be around 7192.6 feet tall.

Recreational maths with 642990381135025

• 642990381135025 backwards is 520531183099246
• The number of decimal digits it has is: 15
• The sum of 642990381135025's digits is 58
• More coming soon!