138181249608540

Names of 138181249608540

• Cardinal: 138181249608540 can be written as One hundred thirty-eight trillion, one hundred eighty-one billion, two hundred forty-nine million, six hundred eight thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3818124960854 × 10¹⁴

Factors of 138181249608540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 714

Divisors of 138181249608540

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 601 618 1030 1202 1236 1545 1803 2060 2404 3005 3090 3606 6010 6180 7212 9015 10609 12020 18030 21218 31827 36060 42436 53045 61903 63654 106090 123806 127308 159135 185709 212180 247612 309515 318270 361201 371418 619030 636540 722402 742836 928545 1083603 1238060 1444804 1806005 1857090 2167206 3612010 3714180 4334412 5418015 6376009 7224020 10836030 12752018 19128027 21672060 25504036 31880045 37203703 38256054 63760090 74407406 76512108 95640135 111611109 127520180 148814812 186018515 191280270 217081801 223222218 372037030 382560540 434163602 446444436 558055545 651245403 744074060 868327204 1085409005 1116111090 1302490806 2170818010 2232222180 2604981612 3256227015 3831981409 4341636020 6512454030 7663962818 11495944227 13024908060 15327925636 19159907045 22359425503 22991888454 38319814090 44718851006 45983776908 57479721135 67078276509 76639628180 89437702012 111797127515 114959442270 134156553018 223594255030 229918884540 268313106036 335391382545 447188510060 670782765090 1341565530180 2303020826809 4606041653618 6909062480427 9212083307236 11515104134045 13818124960854 23030208268090 27636249921708 34545312402135 46060416536180 69090624804270 138181249608540
• Sum of all divisors σ(n): 391351519381536
• Sum of proper divisors (its aliquot sum) s(n): 253170269772996
• 138181249608540 is an abundant number, because the sum of its proper divisors (253170269772996) is greater than itself. Its abundance is 114989020164456

Bases of 138181249608540

• Binary: 11111011010110011010100010011000010101101011100₂
• Hexadecimal: 0x7DACD44C2B5C
• Base-36: 1CZBL8A6HO

Squares and roots of 138181249608540

• 138181249608540 squared (138181249608540²) is 19094057743377635903240931600
• 138181249608540 cubed (138181249608540³) is 2638440759077541106932101628969804915864000
• The square root of 138181249608540 is 11755052.0887208323
• The cube root of 138181249608540 is 51699.1066454609

Scales and comparisons

• 138,181,249,608,540 seconds is equal to 4,393,736 years, 16 weeks, 2 days, 14 hours, 49 minutes.
• To count from 1 to 138,181,249,608,540 would take you about ten million, nine hundred eighty-four thousand, three hundred forty 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 138181249608540 cubic inches would be around 4308.3 feet tall.

Recreational maths with 138181249608540

• 138181249608540 backwards is 045806942181831
• 138181249608540 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138181249608540's digits is 60
• More coming soon!