138892134400

Names of 138892134400

• Cardinal: 138892134400 can be written as One hundred thirty-eight billion, eight hundred ninety-two million, one hundred thirty-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.388921344 × 10¹¹

Factors of 138892134400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 19945

Divisors of 138892134400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 137 160 200 256 274 320 400 512 548 640 685 800 1024 1096 1280 1370 1600 2048 2192 2560 2740 3200 3425 4384 5120 5480 6400 6850 8768 10240 10960 12800 13700 17536 19801 21920 25600 27400 35072 39602 43840 51200 54800 70144 79204 87680 99005 109600 140288 158408 175360 198010 219200 280576 316816 350720 396020 438400 495025 633632 701440 792040 876800 990050 1267264 1402880 1584080 1753600 1980100 2534528 2712737 3168160 3507200 3960200 5069056 5425474 6336320 7014400 7920400 10138112 10850948 12672640 13563685 15840800 20276224 21701896 25345280 27127370 31681600 40552448 43403792 50690560 54254740 63363200 67818425 86807584 101381120 108509480 126726400 135636850 173615168 202762240 217018960 253452800 271273700 347230336 434037920 506905600 542547400 694460672 868075840 1013811200 1085094800 1388921344 1736151680 2170189600 2777842688 3472303360 4340379200 5555685376 6944606720 8680758400 13889213440 17361516800 27778426880 34723033600 69446067200 138892134400
• Sum of all divisors σ(n): 346899554820
• Sum of proper divisors (its aliquot sum) s(n): 208007420420
• 138892134400 is an abundant number, because the sum of its proper divisors (208007420420) is greater than itself. Its abundance is 69115286020

Bases of 138892134400

• Binary: 10000001010110100111011100100000000000₂
• Hexadecimal: 0x20569DC800
• Base-36: 1RT0SGSG

Squares and roots of 138892134400

• 138892134400 squared (138892134400²) is 19291024998187663360000
• 138892134400 cubed (138892134400³) is 2679371636762040695819075584000000
• The square root of 138892134400 is 372682.3505346075
• The cube root of 138892134400 is 5178.7611811727

Scales and comparisons

• 138,892,134,400 seconds is equal to 4,416 years, 17 weeks, 4 days, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 138,892,134,400 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 138892134400 cubic inches would be around 431.6 feet tall.

Recreational maths with 138892134400

• 138892134400 backwards is 004431298831
• The number of decimal digits it has is: 12
• The sum of 138892134400's digits is 43
• More coming soon!