18404462720

Names of 18404462720

• Cardinal: 18404462720 can be written as Eighteen billion, four hundred four million, four hundred sixty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.840446272 × 10¹⁰

Factors of 18404462720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1676

Divisors of 18404462720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 280 320 392 448 490 509 560 640 784 896 980 1018 1120 1153 1568 1960 2036 2240 2306 2545 3136 3563 3920 4072 4480 4612 5090 5765 6272 7126 7840 8071 8144 9224 10180 11530 14252 15680 16142 16288 17815 18448 20360 23060 24941 28504 31360 32284 32576 35630 36896 40355 40720 46120 49882 56497 57008 64568 65152 71260 73792 80710 81440 92240 99764 112994 114016 124705 129136 142520 147584 161420 162880 184480 199528 225988 228032 249410 258272 282485 285040 322840 325760 368960 399056 451976 456064 498820 516544 564970 570080 586877 645680 737920 798112 903952 997640 1033088 1129940 1140160 1173754 1291360 1596224 1807904 1995280 2259880 2280320 2347508 2582720 2934385 3192448 3615808 3990560 4108139 4519760 4695016 5165440 5868770 7231616 7981120 8216278 9039520 9390032 11737540 15962240 16432556 18079040 18780064 20540695 23475080 28756973 32865112 36158080 37560128 41081390 46950160 57513946 65730224 75120256 82162780 93900320 115027892 131460448 143784865 164325560 187800640 230055784 262920896 287569730 328651120 375601280 460111568 525841792 575139460 657302240 920223136 1150278920 1314604480 1840446272 2300557840 2629208960 3680892544 4601115680 9202231360 18404462720
• Sum of all divisors σ(n): 51326573400
• Sum of proper divisors (its aliquot sum) s(n): 32922110680
• 18404462720 is an abundant number, because the sum of its proper divisors (32922110680) is greater than itself. Its abundance is 14517647960

Bases of 18404462720

• Binary: 10001001000111111011101000010000000₂
• Hexadecimal: 0x448FDD080
• Base-36: 8GDJIBK

Squares and roots of 18404462720

• 18404462720 squared (18404462720²) is 338724248011869798400
• 18404462720 cubed (18404462720³) is 6234037794894491822146715648000
• The square root of 18404462720 is 135663.0484693603
• The cube root of 18404462720 is 2640.2256617633

Scales and comparisons

• 18,404,462,720 seconds is equal to 585 years, 10 weeks, 4 days, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 18,404,462,720 would take you about one thousand, one hundred seventy 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 18404462720 cubic inches would be around 220 feet tall.

Recreational maths with 18404462720

• 18404462720 backwards is 02726440481
• The number of decimal digits it has is: 11
• The sum of 18404462720's digits is 38
• More coming soon!