138189118392

Names of 138189118392

• Cardinal: 138189118392 can be written as One hundred thirty-eight billion, one hundred eighty-nine million, one hundred eighteen thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.38189118392 × 10¹¹

Factors of 138189118392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 275128

Divisors of 138189118392

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 179 216 234 312 351 358 468 537 702 716 936 1074 1404 1432 1611 2148 2327 2808 3222 4296 4654 4833 6444 6981 9308 9666 12888 13962 18616 19332 20943 27924 38664 41886 55848 62829 83772 125658 167544 251316 274931 502632 549862 824793 1099724 1649586 2199448 2474379 3299172 3574103 4948758 6598344 7148206 7423137 9897516 10722309 14296412 14846274 19795032 21444618 28592824 29692548 32166927 42889236 49212649 59385096 64333854 85778472 96500781 98425298 128667708 147637947 193001562 196850596 257335416 295275894 386003124 393701192 442913841 590551788 639764437 772006248 885827682 1181103576 1279528874 1328741523 1771655364 1919293311 2559057748 2657483046 3543310728 3838586622 5118115496 5314966092 5757879933 7677173244 10629932184 11515759866 15354346488 17273639799 23031519732 34547279598 46063039464 69094559196 138189118392
• Sum of all divisors σ(n): 415697184000
• Sum of proper divisors (its aliquot sum) s(n): 277508065608
• 138189118392 is an abundant number, because the sum of its proper divisors (277508065608) is greater than itself. Its abundance is 139318947216

Bases of 138189118392

• Binary: 10000000101100101101101001101110111000₂
• Hexadecimal: 0x202CB69BB8
• Base-36: 1RHE8E60

Squares and roots of 138189118392

• 138189118392 squared (138189118392²) is 19096232441958192665664
• 138189118392 cubed (138189118392³) is 2638891525762911954589788569292288
• The square root of 138189118392 is 371737.9700703171
• The cube root of 138189118392 is 5170.0087968553

Scales and comparisons

• 138,189,118,392 seconds is equal to 4,393 years, 51 weeks, 2 days, 2 hours, 13 minutes, 12 seconds.
• To count from 1 to 138,189,118,392 would take you about eight thousand, seven hundred eighty-seven 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 138189118392 cubic inches would be around 430.8 feet tall.

Recreational maths with 138189118392

• 138189118392 backwards is 293811981831
• 138189118392 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138189118392's digits is 54
• More coming soon!