18209264128

Names of 18209264128

• Cardinal: 18209264128 can be written as Eighteen billion, two hundred nine million, two hundred sixty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8209264128 × 10¹⁰

Factors of 18209264128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8322

Divisors of 18209264128

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 11 16 17 22 23 32 34 44 46 64 68 88 92 128 136 176 184 187 253 256 272 352 368 374 391 506 512 544 704 736 748 782 1012 1088 1408 1472 1496 1564 2024 2176 2816 2944 2992 3128 4048 4301 4352 5632 5888 5984 6256 8096 8269 8602 8704 11776 11968 12512 16192 16538 17204 23936 25024 32384 33076 34408 47872 50048 64768 66152 68816 90959 95744 100096 129536 132304 137632 140573 181918 190187 200192 264608 275264 281146 363836 380374 529216 550528 562292 727672 760748 1058432 1101056 1124584 1455344 1521496 1546303 2092057 2116864 2202112 2249168 2910688 3042992 3092606 3233179 4184114 4233728 4498336 5821376 6085984 6185212 6466358 8368228 8996672 11642752 12171968 12370424 12932716 16736456 17993344 23285504 24343936 24740848 25865432 33472912 35564969 35986688 46571008 48687872 49481696 51730864 66945824 71129938 71973376 97375744 98963392 103461728 133891648 142259876 197926784 206923456 267783296 284519752 395853568 413846912 535566592 569039504 791707136 827693824 1071133184 1138079008 1655387648 2276158016 4552316032 9104632064 18209264128
• Sum of all divisors σ(n): 43857728640
• Sum of proper divisors (its aliquot sum) s(n): 25648464512
• 18209264128 is an abundant number, because the sum of its proper divisors (25648464512) is greater than itself. Its abundance is 7439200384

Bases of 18209264128

• Binary: 10000111101010110110101001000000000₂
• Hexadecimal: 0x43D5B5200
• Base-36: 8D5BQ4G

Squares and roots of 18209264128

• 18209264128 squared (18209264128²) is 331577300083267600384
• 18209264128 cubed (18209264128³) is 6037778636065336128697010225152
• The square root of 18209264128 is 134941.7064068777
• The cube root of 18209264128 is 2630.8583476377

Scales and comparisons

• 18,209,264,128 seconds is equal to 578 years, 51 weeks, 6 days, 8 hours, 55 minutes, 28 seconds.
• To count from 1 to 18,209,264,128 would take you about one thousand, one hundred fifty-seven 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 18209264128 cubic inches would be around 219.2 feet tall.

Recreational maths with 18209264128

• 18209264128 backwards is 82146290281
• The number of decimal digits it has is: 11
• The sum of 18209264128's digits is 43
• More coming soon!