18086840380

Names of 18086840380

• Cardinal: 18086840380 can be written as Eighteen billion, eighty-six million, eight hundred forty thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.808684038 × 10¹⁰

Factors of 18086840380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7893

Divisors of 18086840380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 281 305 427 562 610 854 1124 1220 1405 1708 1967 2135 2810 3934 4270 5620 7537 7868 8540 9835 15074 17141 19670 30148 34282 37685 39340 52759 68564 75370 85705 105518 119987 150740 171410 211036 239974 263795 342820 459757 479948 527590 599935 919514 1055180 1199870 1839028 2117897 2298785 2399740 3218299 4235794 4597570 6436598 8471588 9195140 10589485 12873196 14825279 16091495 21178970 29650558 32182990 42357940 59301116 64365980 74126395 129191717 148252790 258383434 296505580 516766868 645958585 904342019 1291917170 1808684038 2583834340 3617368076 4521710095 9043420190 18086840380
• Sum of all divisors σ(n): 44282915712
• Sum of proper divisors (its aliquot sum) s(n): 26196075332
• 18086840380 is an abundant number, because the sum of its proper divisors (26196075332) is greater than itself. Its abundance is 8109234952

Bases of 18086840380

• Binary: 10000110110000011110100100000111100₂
• Hexadecimal: 0x4360F483C
• Base-36: 8B4FRCS

Squares and roots of 18086840380

• 18086840380 squared (18086840380²) is 327133794931598544400
• 18086840380 cubed (18086840380³) is 5916816731831475890803142872000
• The square root of 18086840380 is 134487.3242354089
• The cube root of 18086840380 is 2624.9491935141

Scales and comparisons

• 18,086,840,380 seconds is equal to 575 years, 5 weeks, 3 days, 10 hours, 19 minutes, 40 seconds.
• To count from 1 to 18,086,840,380 would take you about one thousand, one hundred fifty 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 18086840380 cubic inches would be around 218.7 feet tall.

Recreational maths with 18086840380

• 18086840380 backwards is 08304868081
• The number of decimal digits it has is: 11
• The sum of 18086840380's digits is 46
• More coming soon!