73218864128

Names of 73218864128

• Cardinal: 73218864128 can be written as Seventy-three billion, two hundred eighteen million, eight hundred sixty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.3218864128 × 10¹⁰

Factors of 73218864128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4881

Divisors of 73218864128

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 8 16 32 61 64 122 128 244 256 257 488 512 514 976 1024 1028 1952 2056 3904 4112 4561 7808 8224 9122 15616 15677 16448 18244 31232 31354 32896 36488 62464 62708 65792 72976 125416 131584 145952 250832 263168 278221 291904 501664 556442 583808 1003328 1112884 1167616 1172177 2006656 2225768 2335232 2344354 4013312 4451536 4670464 4688708 8026624 8903072 9377416 16053248 17806144 18754832 35612288 37509664 71224576 71502797 75019328 142449152 143005594 150038656 284898304 286011188 300077312 572022376 600154624 1144044752 1200309248 2288089504 4576179008 9152358016 18304716032 36609432064 73218864128
• Sum of all divisors σ(n): 149377270344
• Sum of proper divisors (its aliquot sum) s(n): 76158406216
• 73218864128 is an abundant number, because the sum of its proper divisors (76158406216) is greater than itself. Its abundance is 2939542088

Bases of 73218864128

• Binary: 1000100001100001011110011010000000000₂
• Hexadecimal: 0x110C2F3400
• Base-36: XMWMD4W

Squares and roots of 73218864128

• 73218864128 squared (73218864128²) is 5361002064194525200384
• 73218864128 cubed (73218864128³) is 392526481728186474408388069425152
• The square root of 73218864128 is 270589.8448353153
• The cube root of 73218864128 is 4183.5117754155

Scales and comparisons

• 73,218,864,128 seconds is equal to 2,328 years, 6 weeks, 6 days, 13 hours, 22 minutes, 8 seconds.
• To count from 1 to 73,218,864,128 would take you about four thousand, six hundred fifty-six 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 73218864128 cubic inches would be around 348.6 feet tall.

Recreational maths with 73218864128

• 73218864128 backwards is 82146881237
• The number of decimal digits it has is: 11
• The sum of 73218864128's digits is 50
• More coming soon!