18090446820

Names of 18090446820

• Cardinal: 18090446820 can be written as Eighteen billion, ninety million, four hundred forty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.809044682 × 10¹⁰

Factors of 18090446820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1484

Divisors of 18090446820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 73 76 95 114 146 181 190 219 228 285 292 362 365 380 438 543 570 724 730 876 905 1086 1095 1140 1201 1387 1460 1810 2172 2190 2402 2715 2774 3439 3603 3620 4161 4380 4804 5430 5548 6005 6878 6935 7206 8322 10317 10860 12010 13213 13756 13870 14412 16644 17195 18015 20634 20805 22819 24020 26426 27740 34390 36030 39639 41268 41610 45638 51585 52852 66065 68457 68780 72060 79278 83220 87673 91276 103170 114095 132130 136914 158556 175346 198195 206340 217381 228190 251047 263019 264260 273828 342285 350692 396390 434762 438365 456380 502094 526038 652143 684570 753141 792780 869524 876730 1004188 1052076 1086905 1255235 1304286 1315095 1369140 1506282 1665787 1753460 2173810 2510470 2608572 2630190 3012564 3260715 3331574 3765705 4130239 4347620 4997361 5020940 5260380 6521430 6663148 7531410 8260478 8328935 9994722 12390717 13042860 15062820 15868813 16520956 16657870 19989444 20651195 24781434 24986805 31737626 33315740 41302390 47606439 49562868 49973610 61953585 63475252 79344065 82604780 95212878 99947220 123907170 158688130 190425756 238032195 247814340 301507447 317376260 476064390 603014894 904522341 952128780 1206029788 1507537235 1809044682 3015074470 3618089364 4522611705 6030148940 9045223410 18090446820
• Sum of all divisors σ(n): 54393480960
• Sum of proper divisors (its aliquot sum) s(n): 36303034140
• 18090446820 is an abundant number, because the sum of its proper divisors (36303034140) is greater than itself. Its abundance is 18212587320

Bases of 18090446820

• Binary: 10000110110010001100100111111100100₂
• Hexadecimal: 0x436464FE4
• Base-36: 8B6L23O

Squares and roots of 18090446820

• 18090446820 squared (18090446820²) is 327264266147248112400
• 18090446820 cubed (18090446820³) is 5920356802823118266717582568000
• The square root of 18090446820 is 134500.7316708723
• The cube root of 18090446820 is 2625.1236498671

Scales and comparisons

• 18,090,446,820 seconds is equal to 575 years, 11 weeks, 3 days, 4 hours, 7 minutes.
• To count from 1 to 18,090,446,820 would take you about one thousand, one hundred fifty 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 18090446820 cubic inches would be around 218.8 feet tall.

Recreational maths with 18090446820

• 18090446820 backwards is 02864409081
• The number of decimal digits it has is: 11
• The sum of 18090446820's digits is 42
• More coming soon!