18231838208

Names of 18231838208

• Cardinal: 18231838208 can be written as Eighteen billion, two hundred thirty-one million, eight hundred thirty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8231838208 × 10¹⁰

Factors of 18231838208

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 58

Divisors of 18231838208

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 4 8 16 19 32 37 38 64 74 76 128 148 152 256 296 304 512 592 608 703 1184 1216 1369 1406 2368 2432 2738 2812 4736 4864 5476 5624 9472 9728 10952 11248 18944 21904 22496 26011 43808 44992 50653 52022 87616 89984 101306 104044 175232 179968 202612 208088 350464 359936 405224 416176 700928 810448 832352 962407 1620896 1664704 1874161 1924814 3241792 3329408 3748322 3849628 6483584 6658816 7496644 7699256 12967168 13317632 14993288 15398512 25934336 29986576 30797024 35609059 59973152 61594048 71218118 119946304 123188096 142436236 239892608 246376192 284872472 479785216 492752384 569744944 959570432 1139489888 2278979776 4557959552 9115919104 18231838208
• Sum of all divisors σ(n): 39410481660
• Sum of proper divisors (its aliquot sum) s(n): 21178643452
• 18231838208 is an abundant number, because the sum of its proper divisors (21178643452) is greater than itself. Its abundance is 2946805244

Bases of 18231838208

• Binary: 10000111110101100111100011000000000₂
• Hexadecimal: 0x43EB3C600
• Base-36: 8DIRKE8

Squares and roots of 18231838208

• 18231838208 squared (18231838208²) is 332399924442688651264
• 18231838208 cubed (18231838208³) is 6060261642790524058362982694912
• The square root of 18231838208 is 135025.3243210325
• The cube root of 18231838208 is 2631.9450597205

Scales and comparisons

• 18,231,838,208 seconds is equal to 579 years, 37 weeks, 1 day, 15 hours, 30 minutes, 8 seconds.
• To count from 1 to 18,231,838,208 would take you about one thousand, one hundred fifty-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 18231838208 cubic inches would be around 219.3 feet tall.

Recreational maths with 18231838208

• 18231838208 backwards is 80283813281
• The number of decimal digits it has is: 11
• The sum of 18231838208's digits is 44
• More coming soon!