138518236800

Names of 138518236800

• Cardinal: 138518236800 can be written as One hundred thirty-eight billion, five hundred eighteen million, two hundred thirty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 1.385182368 × 10¹¹

Factors of 138518236800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4809671

Divisors of 138518236800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 288 300 320 360 384 400 450 480 576 600 640 720 800 900 960 1152 1200 1440 1600 1800 1920 2400 2880 3200 3600 4800 5760 7200 9600 14400 28800 4809661 9619322 14428983 19238644 24048305 28857966 38477288 43286949 48096610 57715932 72144915 76954576 86573898 96193220 115431864 120241525 144289830 153909152 173147796 192386440 216434745 230863728 240483050 288579660 307818304 346295592 360724575 384772880 432869490 461727456 480966100 577159320 615636608 692591184 721449150 769545760 865738980 923454912 961932200 1082173725 1154318640 1385182368 1442898300 1539091520 1731477960 1846909824 1923864400 2164347450 2308637280 2770364736 2885796600 3078183040 3462955920 3847728800 4328694900 4617274560 5540729472 5771593200 6925911840 7695457600 8657389800 9234549120 11543186400 13851823680 15390915200 17314779600 23086372800 27703647360 34629559200 46172745600 69259118400 138518236800
• Sum of all divisors σ(n): 494264915430
• Sum of proper divisors (its aliquot sum) s(n): 355746678630
• 138518236800 is an abundant number, because the sum of its proper divisors (355746678630) is greater than itself. Its abundance is 217228441830

Bases of 138518236800

• Binary: 10000001000000010101001000111010000000₂
• Hexadecimal: 0x2040548E80
• Base-36: 1RMU6JK0

Squares and roots of 138518236800

• 138518236800 squared (138518236800²) is 19187301926180874240000
• 138518236800 cubed (138518236800³) is 2657791231763818457607340032000000
• The square root of 138518236800 is 372180.3820729941
• The cube root of 138518236800 is 5174.1099302377

Scales and comparisons

• 138,518,236,800 seconds is equal to 4,404 years, 23 weeks, 3 days, 8 hours.
• To count from 1 to 138,518,236,800 would take you about eight thousand, eight hundred eight 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 138518236800 cubic inches would be around 431.2 feet tall.

Recreational maths with 138518236800

• 138518236800 backwards is 008632815831
• 138518236800 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138518236800's digits is 45
• More coming soon!