138641319495

Names of 138641319495

• Cardinal: 138641319495 can be written as One hundred thirty-eight billion, six hundred forty-one million, three hundred nineteen thousand, four hundred ninety-five.

Scientific notation

• Scientific notation: 1.38641319495 × 10¹¹

Factors of 138641319495

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1153

Divisors of 138641319495

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 29 35 45 51 63 85 87 105 119 135 145 153 189 203 255 261 315 357 435 459 493 523 569 595 609 765 783 945 1015 1071 1305 1479 1569 1707 1785 1827 2295 2465 2615 2845 3045 3213 3451 3661 3915 3983 4437 4707 5121 5355 5481 7395 7845 8535 8891 9135 9673 10353 10983 11949 13311 14121 15167 15363 16065 16501 17255 18305 19915 22185 23535 25605 26673 27405 29019 31059 32949 35847 44455 45501 48365 49503 51765 54915 59745 62237 66555 67711 70605 75835 76815 80019 82505 87057 93177 98847 106169 107541 115507 133365 136503 145095 148509 155295 164745 179235 186711 203133 227505 240057 247515 257839 261171 280517 297587 311185 318507 338555 346521 400095 409509 435285 445527 465885 494235 530845 537705 560133 577535 609399 682515 742545 773517 841551 892761 933555 955521 1015665 1039563 1200285 1289195 1305855 1402585 1487935 1592535 1680399 1732605 1804873 1828197 1963619 2047545 2083109 2227635 2320551 2524653 2678283 2800665 2866563 3046995 3118689 3867585 4207755 4463805 4777605 5058979 5197815 5414619 5890857 6249327 6961653 7573959 8034849 8401995 8630023 9024365 9140985 9818095 10415545 11602755 12623265 13391415 14332815 15176937 15593445 16243857 17672571 18747981 25294895 25890069 27073095 29454285 31246635 34808265 35412853 37869795 40174245 43150115 45530811 48731571 53017713 56243943 60410161 75884685 77670207 81219285 88362855 93739905 106238559 129450345 136592433 146710391 177064265 181230483 227654055 233010621 243657855 265088565 281219715 302050805 318715677 388351035 440131173 531192795 543691449 682962165 733551955 906152415 956147031 1026972737 1165053105 1320393519 1593578385 1631074347 2200655865 2718457245 3080918211 3961180557 4780735155 5134863685 6601967595 8155371735 9242754633 15404591055 19805902785 27728263899 46213773165 138641319495
• Sum of all divisors σ(n): 309671424000
• Sum of proper divisors (its aliquot sum) s(n): 171030104505
• 138641319495 is an abundant number, because the sum of its proper divisors (171030104505) is greater than itself. Its abundance is 32388785010

Bases of 138641319495

• Binary: 10000001000111101010101010011001000111₂
• Hexadecimal: 0x2047AAA647
• Base-36: 1ROVGMRR

Squares and roots of 138641319495

• 138641319495 squared (138641319495²) is 19221415471314667055025
• 138641319495 cubed (138641319495³) is 2664882403504672762855271770212375
• The square root of 138641319495 is 372345.6989076147
• The cube root of 138641319495 is 5175.6419905071

Scales and comparisons

• 138,641,319,495 seconds is equal to 4,408 years, 18 weeks, 6 days, 21 hours, 38 minutes, 15 seconds.
• To count from 1 to 138,641,319,495 would take you about eight thousand, eight hundred sixteen 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 138641319495 cubic inches would be around 431.3 feet tall.

Recreational maths with 138641319495

• 138641319495 backwards is 594913146831
• The number of decimal digits it has is: 12
• The sum of 138641319495's digits is 54
• More coming soon!