138869771400

Names of 138869771400

• Cardinal: 138869771400 can be written as One hundred thirty-eight billion, eight hundred sixty-nine million, seven hundred seventy-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.388697714 × 10¹¹

Factors of 138869771400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 707916

Divisors of 138869771400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 109 120 150 180 200 218 225 300 327 360 436 450 545 600 654 872 900 981 1090 1308 1635 1800 1962 2180 2616 2725 3270 3924 4360 4905 5450 6540 7848 8175 9810 10900 13080 16350 19620 21800 24525 32700 39240 49050 65400 98100 196200 707797 1415594 2123391 2831188 3538985 4246782 5662376 6370173 7077970 8493564 10616955 12740346 14155940 16987128 17694925 21233910 25480692 28311880 31850865 35389850 42467820 50961384 53084775 63701730 70779700 77149873 84935640 106169550 127403460 141559400 154299746 159254325 212339100 231449619 254806920 308599492 318508650 385749365 424678200 462899238 617198984 637017300 694348857 771498730 925798476 1157248095 1274034600 1388697714 1542997460 1851596952 1928746825 2314496190 2777395428 3085994920 3471744285 3857493650 4628992380 5554790856 5786240475 6943488570 7714987300 9257984760 11572480950 13886977140 15429974600 17358721425 23144961900 27773954280 34717442850 46289923800 69434885700 138869771400
• Sum of all divisors σ(n): 470650280100
• Sum of proper divisors (its aliquot sum) s(n): 331780508700
• 138869771400 is an abundant number, because the sum of its proper divisors (331780508700) is greater than itself. Its abundance is 192910737300

Bases of 138869771400

• Binary: 10000001010101010010001000110010001000₂
• Hexadecimal: 0x2055488C88
• Base-36: 1RSNH5E0

Squares and roots of 138869771400

• 138869771400 squared (138869771400²) is 19284813408688257960000
• 138869771400 cubed (138869771400³) is 2678077629556193156769430344000000
• The square root of 138869771400 is 372652.3465644621
• The cube root of 138869771400 is 5178.4832224219

Scales and comparisons

• 138,869,771,400 seconds is equal to 4,415 years, 32 weeks, 5 days, 30 minutes.
• To count from 1 to 138,869,771,400 would take you about eight thousand, eight hundred thirty-one 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 138869771400 cubic inches would be around 431.5 feet tall.

Recreational maths with 138869771400

• 138869771400 backwards is 004177968831
• The number of decimal digits it has is: 12
• The sum of 138869771400's digits is 54
• More coming soon!