138491369481708

Names of 138491369481708

• Cardinal: 138491369481708 can be written as One hundred thirty-eight trillion, four hundred ninety-one billion, three hundred sixty-nine million, four hundred eighty-one thousand, seven hundred eight.

Scientific notation

• Scientific notation: 1.38491369481708 × 10¹⁴

Factors of 138491369481708

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 36565

Divisors of 138491369481708

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 961 1116 1674 1922 2883 3348 3844 5766 8649 11532 17298 25947 34596 36529 51894 73058 103788 109587 146116 219174 328761 438348 657522 986283 1132399 1315044 1972566 2264798 3397197 3945132 4529596 6794394 10191591 13588788 20383182 30574773 35104369 40766364 61149546 70208738 105313107 122299092 140417476 210626214 315939321 421252428 631878642 947817963 1263757284 1334367841 1895635926 2668735682 3791271852 4003103523 5337471364 8006207046 12009310569 16012414092 24018621138 36027931707 41365403071 48037242276 72055863414 82730806142 124096209213 144111726828 165461612284 248192418426 372288627639 496384836852 744577255278 1116865882917 1282327495201 1489154510556 2233731765834 2564654990402 3846982485603 4467463531668 5129309980804 7693964971206 11540947456809 15387929942412 23081894913618 34622842370427 46163789827236 69245684740854 138491369481708
• Sum of all divisors σ(n): 371017791312840
• Sum of proper divisors (its aliquot sum) s(n): 232526421831132
• 138491369481708 is an abundant number, because the sum of its proper divisors (232526421831132) is greater than itself. Its abundance is 94035052349424

Bases of 138491369481708

• Binary: 11111011111010100001000111000011110010111101100₂
• Hexadecimal: 0x7DF508E1E5EC
• Base-36: 1D3A21NC30

Squares and roots of 138491369481708

• 138491369481708 squared (138491369481708²) is 19179859420918961988546597264
• 138491369481708 cubed (138491369481708³) is 2656244997669706005784811916961818690846912
• The square root of 138491369481708 is 11768235.6146411345
• The cube root of 138491369481708 is 51737.7538115505

Scales and comparisons

• 138,491,369,481,708 seconds is equal to 4,403,597 years, 8 weeks, 5 days, 1 minute, 48 seconds.
• To count from 1 to 138,491,369,481,708 would take you about eleven million, eight thousand, nine hundred ninety-two 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 138491369481708 cubic inches would be around 4311.5 feet tall.

Recreational maths with 138491369481708

• 138491369481708 backwards is 807184963194831
• The number of decimal digits it has is: 15
• The sum of 138491369481708's digits is 72
• More coming soon!