138813938400

Names of 138813938400

• Cardinal: 138813938400 can be written as One hundred thirty-eight billion, eight hundred thirteen million, nine hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.388139384 × 10¹¹

Factors of 138813938400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 792400

Divisors of 138813938400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 73 75 80 96 100 120 146 150 160 200 219 240 292 300 365 400 438 480 584 600 730 800 876 1095 1168 1200 1460 1752 1825 2190 2336 2400 2920 3504 3650 4380 5475 5840 7008 7300 8760 10950 11680 14600 17520 21900 29200 35040 43800 58400 87600 175200 792317 1584634 2376951 3169268 3961585 4753902 6338536 7923170 9507804 11884755 12677072 15846340 19015608 19807925 23769510 25354144 31692680 38031216 39615850 47539020 57839141 59423775 63385360 76062432 79231700 95078040 115678282 118847550 126770720 158463400 173517423 190156080 231356564 237695100 289195705 316926800 347034846 380312160 462713128 475390200 578391410 633853600 694069692 867587115 925426256 950780400 1156782820 1388139384 1445978525 1735174230 1850852512 1901560800 2313565640 2776278768 2891957050 3470348460 4337935575 4627131280 5552557536 5783914100 6940696920 8675871150 9254262560 11567828200 13881393840 17351742300 23135656400 27762787680 34703484600 46271312800 69406969200 138813938400
• Sum of all divisors σ(n): 458029527984
• Sum of proper divisors (its aliquot sum) s(n): 319215589584
• 138813938400 is an abundant number, because the sum of its proper divisors (319215589584) is greater than itself. Its abundance is 180401651184

Bases of 138813938400

• Binary: 10000001010001111101001001101011100000₂
• Hexadecimal: 0x2051F49AE0
• Base-36: 1RRQ8GDC

Squares and roots of 138813938400

• 138813938400 squared (138813938400²) is 19269309494118994560000
• 138813938400 cubed (138813938400³) is 2674848741127169273121775104000000
• The square root of 138813938400 is 372577.4260472579
• The cube root of 138813938400 is 5177.7891212555

Scales and comparisons

• 138,813,938,400 seconds is equal to 4,413 years, 44 weeks, 2 days, 19 hours, 20 minutes.
• To count from 1 to 138,813,938,400 would take you about eight thousand, eight hundred twenty-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 138813938400 cubic inches would be around 431.5 feet tall.

Recreational maths with 138813938400

• 138813938400 backwards is 004839318831
• 138813938400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138813938400's digits is 48
• More coming soon!