18305049420

Names of 18305049420

• Cardinal: 18305049420 can be written as Eighteen billion, three hundred five million, forty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.830504942 × 10¹⁰

Factors of 18305049420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 354395

Divisors of 18305049420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 41 42 45 60 63 70 82 84 90 105 123 126 140 164 180 205 210 246 252 287 315 369 410 420 492 574 615 630 738 820 861 1148 1230 1260 1435 1476 1722 1845 2460 2583 2870 3444 3690 4305 5166 5740 7380 8610 10332 12915 17220 25830 51660 354337 708674 1063011 1417348 1771685 2126022 2480359 3189033 3543370 4252044 4960718 5315055 6378066 7086740 7441077 9921436 10630110 12401795 12756132 14527817 14882154 15945165 21260220 22323231 24803590 29055634 29764308 31890330 37205385 43583451 44646462 49607180 58111268 63780660 72639085 74410770 87166902 89292924 101694719 111616155 130750353 145278170 148821540 174333804 203389438 217917255 223232310 261500706 290556340 305084157 406778876 435834510 446464620 508473595 523001412 610168314 653751765 871669020 915252471 1016947190 1220336628 1307503530 1525420785 1830504942 2033894380 2615007060 3050841570 3661009884 4576262355 6101683140 9152524710 18305049420
• Sum of all divisors σ(n): 65005432128
• Sum of proper divisors (its aliquot sum) s(n): 46700382708
• 18305049420 is an abundant number, because the sum of its proper divisors (46700382708) is greater than itself. Its abundance is 28395333288

Bases of 18305049420

• Binary: 10001000011000100001110001101001100₂
• Hexadecimal: 0x44310E34C
• Base-36: 8EQCQJ0

Squares and roots of 18305049420

• 18305049420 squared (18305049420²) is 335074834268642336400
• 18305049420 cubed (18305049420³) is 6133561400685807524106264888000
• The square root of 18305049420 is 135296.1544908059
• The cube root of 18305049420 is 2635.4632740697

Scales and comparisons

• 18,305,049,420 seconds is equal to 582 years, 2 weeks, 1 day, 23 hours, 57 minutes.
• To count from 1 to 18,305,049,420 would take you about one thousand, one hundred sixty-four 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 18305049420 cubic inches would be around 219.6 feet tall.

Recreational maths with 18305049420

• 18305049420 backwards is 02494050381
• 18305049420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18305049420's digits is 36
• More coming soon!