138279838964469120

Names of 138279838964469120

• Cardinal: 138279838964469120 can be written as One hundred thirty-eight quadrillion, two hundred seventy-nine trillion, eight hundred thirty-eight billion, nine hundred sixty-four million, four hundred sixty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.3827983896446912 × 10¹⁷

Factors of 138279838964469120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8002305495639

Divisors of 138279838964469120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 17280 8002305495629 16004610991258 24006916486887 32009221982516 40011527478145 48013832973774 64018443965032 72020749460661 80023054956290 96027665947548 120034582434435 128036887930064 144041498921322 160046109912580 192055331895096 216062248381983 240069164868870 256073775860128 288082997842644 320092219825160 360103747303305 384110663790192 432124496763966 480138329737740 512147551720256 576165995685288 640184439650320 720207494606610 768221327580384 864248993527932 960276659475480 1024295103440512 1080311241909915 1152331991370576 1280368879300640 1440414989213220 1536442655160768 1728497987055864 1920553318950960 2160622483819830 2304663982741152 2560737758601280 2880829978426440 3072885310321536 3456995974111728 3841106637901920 4321244967639660 4609327965482304 5121475517202560 5761659956852880 6913991948223456 7682213275803840 8642489935279320 9218655930964608 11523319913705760 13827983896446912 15364426551607680 17284979870558640 23046639827411520 27655967792893824 34569959741117280 46093279654823040 69139919482234560 138279838964469120
• Sum of all divisors σ(n): 489741096332556000
• Sum of proper divisors (its aliquot sum) s(n): 351461257368086880
• 138279838964469120 is an abundant number, because the sum of its proper divisors (351461257368086880) is greater than itself. Its abundance is 213181418403617760

Bases of 138279838964469120

• Binary: 111101011010001001100011111101001000100110100110110000000₂
• Hexadecimal: 0x1EB44C7E9134D80
• Base-36: 11TK411RSYO0

Squares and roots of 138279838964469120

• 138279838964469120 squared (138279838964469120²) is 19121313864039512269405803433574400
• 138279838964469120 cubed (138279838964469120³) is 2644092201908454537906434898757529953419680022528000
• The square root of 138279838964469120 is 371859972.2536281801
• The cube root of 138279838964469120 is 517113.9912345705

Scales and comparisons

• 138,279,838,964,469,120 seconds is equal to 4,396,871,151 years, 23 weeks, 19 hours, 12 minutes.
• To count from 1 to 138,279,838,964,469,120 would take you about thirteen billion, one hundred ninety million, six hundred thirteen thousand, four hundred fifty-four 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 138279838964469120 cubic inches would be around 43092.8 feet tall.

Recreational maths with 138279838964469120

• 138279838964469120 backwards is 021964469838972831
• 138279838964469120 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138279838964469120's digits is 90
• More coming soon!