138884021955

Names of 138884021955

• Cardinal: 138884021955 can be written as One hundred thirty-eight billion, eight hundred eighty-four million, twenty-one thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 1.38884021955 × 10¹¹

Factors of 138884021955

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9059

Divisors of 138884021955

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 37 45 49 63 81 105 111 135 147 185 189 243 245 259 315 333 343 405 441 555 567 735 777 945 999 1029 1215 1295 1323 1665 1701 1715 1813 2205 2331 2835 2997 3087 3885 3969 4995 5145 5439 6615 6993 8505 8991 9007 9065 9261 11655 11907 12691 14985 15435 16317 19845 20979 27021 27195 27783 34965 38073 44955 45035 46305 48951 59535 62937 63049 63455 81063 81585 83349 104895 114219 135105 138915 146853 189147 190365 243189 244755 314685 315245 333259 342657 405315 416745 440559 441343 567441 571095 729567 734265 945735 999777 1027971 1215945 1324029 1666295 1702323 1713285 2188701 2202795 2206715 2332813 2837205 2999331 3083913 3089401 3647835 3972087 4998885 5106969 5139855 6620145 6998439 8511615 8997993 9268203 10943505 11664065 11916261 14996655 15320907 15419565 15447005 16329691 19860435 20995317 25534845 26993979 27804609 34992195 35748783 44989965 46341015 48989073 59581305 62985951 76604535 80981937 81648455 83413827 104976585 107246349 114307837 134969895 139023045 146967219 178743915 188957853 244945365 250241481 314929755 342923511 404909685 417069135 440901657 536231745 566873559 571539185 734836095 750724443 944789265 1028770533 1251207405 1322704971 1714617555 2204508285 2834367795 3086311599 3753622215 3968114913 5143852665 6613524855 9258934797 15431557995 19840574565 27776804391 46294673985 138884021955
• Sum of all divisors σ(n): 299036774400
• Sum of proper divisors (its aliquot sum) s(n): 160152752445
• 138884021955 is an abundant number, because the sum of its proper divisors (160152752445) is greater than itself. Its abundance is 21268730490

Bases of 138884021955

• Binary: 10000001010110001000011111111011000011₂
• Hexadecimal: 0x205621FEC3
• Base-36: 1RSVYL6R

Squares and roots of 138884021955

• 138884021955 squared (138884021955²) is 19288771554396922022025
• 138884021955 cubed (138884021955³) is 2678902172045841594891343093558875
• The square root of 138884021955 is 372671.4665157503
• The cube root of 138884021955 is 5178.6603517691

Scales and comparisons

• 138,884,021,955 seconds is equal to 4,416 years, 4 weeks, 1 day, 22 hours, 59 minutes, 15 seconds.
• To count from 1 to 138,884,021,955 would take you about eight thousand, eight hundred thirty-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 138884021955 cubic inches would be around 431.6 feet tall.

Recreational maths with 138884021955

• 138884021955 backwards is 559120488831
• The number of decimal digits it has is: 12
• The sum of 138884021955's digits is 54
• More coming soon!