40389854688

Names of 40389854688

• Cardinal: 40389854688 can be written as Forty billion, three hundred eighty-nine million, eight hundred fifty-four thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 4.0389854688 × 10¹⁰

Factors of 40389854688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 525347

Divisors of 40389854688

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 89 96 108 144 178 216 267 288 356 432 534 712 801 864 1068 1424 1602 2136 2403 2848 3204 4272 4806 6408 8544 9612 12816 19224 25632 38448 76896 525253 1050506 1575759 2101012 3151518 4202024 4727277 6303036 8404048 9454554 12606072 14181831 16808096 18909108 25212144 28363662 37818216 46747517 50424288 56727324 75636432 93495034 113454648 140242551 151272864 186990068 226909296 280485102 373980136 420727653 453818592 560970204 747960272 841455306 1121940408 1262182959 1495920544 1682910612 2243880816 2524365918 3365821224 4487761632 5048731836 6731642448 10097463672 13463284896 20194927344 40389854688
• Sum of all divisors σ(n): 119127607200
• Sum of proper divisors (its aliquot sum) s(n): 78737752512
• 40389854688 is an abundant number, because the sum of its proper divisors (78737752512) is greater than itself. Its abundance is 38347897824

Bases of 40389854688

• Binary: 100101100111011011000100010111100000₂
• Hexadecimal: 0x9676C45E0
• Base-36: IJZ2RC0

Squares and roots of 40389854688

• 40389854688 squared (40389854688²) is 1631340361717755577344
• 40389854688 cubed (40389854688³) is 65889600156449505838425704988672
• The square root of 40389854688 is 200972.2734309387
• The cube root of 40389854688 is 3431.0266935329

Scales and comparisons

• 40,389,854,688 seconds is equal to 1,284 years, 14 weeks, 1 day, 4 hours, 4 minutes, 48 seconds.
• To count from 1 to 40,389,854,688 would take you about two thousand, five hundred sixty-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 40389854688 cubic inches would be around 285.9 feet tall.

Recreational maths with 40389854688

• 40389854688 backwards is 88645898304
• The number of decimal digits it has is: 11
• The sum of 40389854688's digits is 63
• More coming soon!