138546343390

Names of 138546343390

• Cardinal: 138546343390 can be written as One hundred thirty-eight billion, five hundred forty-six million, three hundred forty-three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3854634339 × 10¹¹

Factors of 138546343390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 77946

Divisors of 138546343390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 103 130 133 182 190 206 247 266 455 494 515 665 721 910 1030 1235 1330 1339 1442 1729 1957 2470 2678 3458 3605 3914 6695 7210 8645 9373 9785 13390 13699 17290 18746 19570 25441 27398 46865 50882 68495 77797 93730 127205 136990 155594 178087 254410 356174 388985 544579 777970 890435 1011361 1089158 1478143 1780870 2022722 2722895 2956286 5056805 5445790 7079527 7390715 8013091 10113610 10347001 14159054 14781430 16026182 19215859 20694002 35397635 38431718 40065455 51735005 56091637 70795270 80130910 96079295 103470010 104170183 112183274 134511013 152248729 192158590 208340366 269022026 280458185 304497458 520850915 560916370 672555065 729191281 761243645 1041701830 1065741103 1345110130 1458382562 1522487290 1979233477 2131482206 3645956405 3958466954 5328705515 7291912810 9896167385 10657411030 13854634339 19792334770 27709268678 69273171695 138546343390
• Sum of all divisors σ(n): 326228797440
• Sum of proper divisors (its aliquot sum) s(n): 187682454050
• 138546343390 is an abundant number, because the sum of its proper divisors (187682454050) is greater than itself. Its abundance is 49136110660

Bases of 138546343390

• Binary: 10000001000010000000010110110111011110₂
• Hexadecimal: 0x2042016DDE
• Base-36: 1RNAWYQM

Squares and roots of 138546343390

• 138546343390 squared (138546343390²) is 19195089266739796692100
• 138546343390 cubed (138546343390³) is 2659409428951435178282472700219000
• The square root of 138546343390 is 372218.1395230491
• The cube root of 138546343390 is 5174.4598643085

Scales and comparisons

• 138,546,343,390 seconds is equal to 4,405 years, 17 weeks, 6 days, 15 hours, 23 minutes, 10 seconds.
• To count from 1 to 138,546,343,390 would take you about eight thousand, eight hundred ten 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 138546343390 cubic inches would be around 431.2 feet tall.

Recreational maths with 138546343390

• 138546343390 backwards is 093343645831
• The number of decimal digits it has is: 12
• The sum of 138546343390's digits is 49
• More coming soon!