18038389160

Names of 18038389160

• Cardinal: 18038389160 can be written as Eighteen billion, thirty-eight million, three hundred eighty-nine thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.803838916 × 10¹⁰

Factors of 18038389160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1539

Divisors of 18038389160

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 79 88 110 158 220 316 395 440 632 691 751 790 869 1382 1502 1580 1738 2764 3004 3160 3455 3476 3755 4345 5528 6008 6910 6952 7510 7601 8261 8690 13820 15020 15202 16522 17380 27640 30040 30404 33044 34760 38005 41305 54589 59329 60808 66088 76010 82610 109178 118658 152020 165220 218356 237316 272945 296645 304040 330440 436712 474632 518941 545890 593290 600479 652619 1037882 1091780 1186580 1200958 1305238 2075764 2183560 2373160 2401916 2594705 2610476 3002395 3263095 4151528 4803832 5189410 5220952 5708351 6004790 6526190 10378820 11416702 12009580 13052380 20757640 22833404 24019160 26104760 28541755 40996339 45666808 57083510 81992678 114167020 163985356 204981695 228334040 327970712 409963390 450959729 819926780 901919458 1639853560 1803838916 2254798645 3607677832 4509597290 9019194580 18038389160
• Sum of all divisors σ(n): 44961177600
• Sum of proper divisors (its aliquot sum) s(n): 26922788440
• 18038389160 is an abundant number, because the sum of its proper divisors (26922788440) is greater than itself. Its abundance is 8884399280

Bases of 18038389160

• Binary: 10000110011001010111111100110101000₂
• Hexadecimal: 0x4332BF9A8
• Base-36: 8ABLA5K

Squares and roots of 18038389160

• 18038389160 squared (18038389160²) is 325383483487605505600
• 18038389160 cubed (18038389160³) is 5869393901385862146571359296000
• The square root of 18038389160 is 134307.0704021199
• The cube root of 18038389160 is 2622.6031835055

Scales and comparisons

• 18,038,389,160 seconds is equal to 573 years, 29 weeks, 2 days, 15 hours, 39 minutes, 20 seconds.
• To count from 1 to 18,038,389,160 would take you about one thousand, one hundred forty-seven 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 18038389160 cubic inches would be around 218.6 feet tall.

Recreational maths with 18038389160

• 18038389160 backwards is 06198383081
• The number of decimal digits it has is: 11
• The sum of 18038389160's digits is 47
• More coming soon!