128038240800

Names of 128038240800

• Cardinal: 128038240800 can be written as One hundred twenty-eight billion, thirty-eight million, two hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 1.280382408 × 10¹¹

Factors of 128038240800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4227

Divisors of 128038240800

• Number of divisors d(n): 162
• 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 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 4217 7200 8434 12651 16868 21085 25302 33736 37953 42170 50604 63255 67472 75906 84340 101208 105425 126510 134944 151812 168680 189765 202416 210850 253020 303624 316275 337360 379530 404832 421700 506040 607248 632550 674720 759060 843400 948825 1012080 1214496 1265100 1518120 1686800 1897650 2024160 2530200 3036240 3373600 3795300 5060400 6072480 7590600 10120800 15181200 17783089 30362400 35566178 53349267 71132356 88915445 106698534 142264712 160047801 177830890 213397068 266746335 284529424 320095602 355661780 426794136 444577225 533492670 569058848 640191204 711323560 800239005 853588272 889154450 1066985340 1280382408 1333731675 1422647120 1600478010 1707176544 1778308900 2133970680 2560764816 2667463350 2845294240 3200956020 3556617800 4001195025 4267941360 5121529632 5334926700 6401912040 7113235600 8002390050 8535882720 10669853400 12803824080 14226471200 16004780100 21339706800 25607648160 32009560200 42679413600 64019120400 128038240800
• Sum of all divisors σ(n): 451601937423
• Sum of proper divisors (its aliquot sum) s(n): 323563696623
• 128038240800 is an abundant number, because the sum of its proper divisors (323563696623) is greater than itself. Its abundance is 195525455823

Bases of 128038240800

• Binary: 1110111001111101011001000001000100000₂
• Hexadecimal: 0x1DCFAC8220
• Base-36: 1MTINUW0

Squares and roots of 128038240800

• 128038240800 squared (128038240800²) is 16393791107158784640000
• 128038240800 cubed (128038240800³) is 2099032173403295071571661312000000
• The square root of 128038240800 is 357824.3155516405
• The cube root of 128038240800 is 5040.1860286587

Scales and comparisons

• 128,038,240,800 seconds is equal to 4,071 years, 11 weeks, 3 days, 2 hours.
• To count from 1 to 128,038,240,800 would take you about eight thousand, one hundred forty-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 128038240800 cubic inches would be around 420 feet tall.

Recreational maths with 128038240800

• 128038240800 backwards is 008042830821
• 128038240800 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128038240800's digits is 36
• More coming soon!