18080945920

Names of 18080945920

• Cardinal: 18080945920 can be written as Eighteen billion, eighty million, nine hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.808094592 × 10¹⁰

Factors of 18080945920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14737

Divisors of 18080945920

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 620 640 961 992 1240 1280 1922 1984 2480 3844 3968 4805 4960 7688 7936 9610 9920 14699 15376 19220 19840 29398 30752 38440 39680 58796 61504 73495 76880 117592 123008 146990 153760 235184 246016 293980 307520 455669 470368 587960 615040 911338 940736 1175920 1230080 1822676 1881472 2278345 2351840 3645352 3762944 4556690 4703680 7290704 9113380 9407360 14125739 14581408 18226760 18814720 28251478 29162816 36453520 56502956 58325632 70628695 72907040 113005912 116651264 141257390 145814080 226011824 282514780 291628160 452023648 565029560 583256320 904047296 1130059120 1808094592 2260118240 3616189184 4520236480 9040472960 18080945920
• Sum of all divisors σ(n): 44754708600
• Sum of proper divisors (its aliquot sum) s(n): 26673762680
• 18080945920 is an abundant number, because the sum of its proper divisors (26673762680) is greater than itself. Its abundance is 8592816760

Bases of 18080945920

• Binary: 10000110101101101010101011100000000₂
• Hexadecimal: 0x435B55700
• Base-36: 8B0XF5S

Squares and roots of 18080945920

• 18080945920 squared (18080945920²) is 326920605361964646400
• 18080945920 cubed (18080945920³) is 5911033785683344796510322688000
• The square root of 18080945920 is 134465.4078936289
• The cube root of 18080945920 is 2624.6640075475

Scales and comparisons

• 18,080,945,920 seconds is equal to 574 years, 47 weeks, 5 days, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,080,945,920 would take you about one thousand, one hundred forty-nine 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 18080945920 cubic inches would be around 218.7 feet tall.

Recreational maths with 18080945920

• 18080945920 backwards is 02954908081
• The number of decimal digits it has is: 11
• The sum of 18080945920's digits is 46
• More coming soon!