18005839020

Names of 18005839020

• Cardinal: 18005839020 can be written as Eighteen billion, five million, eight hundred thirty-nine thousand and twenty.

Scientific notation

• Scientific notation: 1.800583902 × 10¹⁰

Factors of 18005839020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 60739

Divisors of 18005839020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 127 130 156 180 195 234 254 260 381 390 468 508 585 635 762 780 1143 1170 1270 1524 1651 1905 2286 2340 2540 3302 3810 4572 4953 5715 6604 7620 8255 9906 11430 14859 16510 19812 22860 24765 29718 33020 49530 59436 60589 74295 99060 121178 148590 181767 242356 297180 302945 363534 545301 605890 727068 787657 908835 1090602 1211780 1575314 1817670 2181204 2362971 2726505 3150628 3635340 3938285 4725942 5453010 7088913 7694803 7876570 9451884 10906020 11814855 14177826 15389606 15753140 23084409 23629710 28355652 30779212 35444565 38474015 46168818 47259420 69253227 70889130 76948030 92337636 100032439 115422045 138506454 141778260 153896060 200064878 230844090 277012908 300097317 346266135 400129756 461688180 500162195 600194634 692532270 900291951 1000324390 1200389268 1385064540 1500486585 1800583902 2000648780 3000973170 3601167804 4501459755 6001946340 9002919510 18005839020
• Sum of all divisors σ(n): 59283194880
• Sum of proper divisors (its aliquot sum) s(n): 41277355860
• 18005839020 is an abundant number, because the sum of its proper divisors (41277355860) is greater than itself. Its abundance is 23271516840

Bases of 18005839020

• Binary: 10000110001001110110100110010101100₂
• Hexadecimal: 0x4313B4CAC
• Base-36: 89S7MB0

Squares and roots of 18005839020

• 18005839020 squared (18005839020²) is 324210238814154560400
• 18005839020 cubed (18005839020³) is 5837677368723422711961266808000
• The square root of 18005839020 is 134185.8376282683
• The cube root of 18005839020 is 2621.0247443395

Scales and comparisons

• 18,005,839,020 seconds is equal to 572 years, 27 weeks, 3 days, 21 hours, 57 minutes.
• To count from 1 to 18,005,839,020 would take you about one thousand, one hundred forty-five 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 18005839020 cubic inches would be around 218.4 feet tall.

Recreational maths with 18005839020

• 18005839020 backwards is 02093850081
• 18005839020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18005839020's digits is 36
• More coming soon!