1812213810

Names of 1812213810

• Cardinal: 1812213810 can be written as One billion, eight hundred twelve million, two hundred thirteen thousand, eight hundred ten.

Scientific notation

• Scientific notation: 1.81221381 × 10⁹

Factors of 1812213810

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 52

Divisors of 1812213810

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 81 90 93 99 110 135 155 162 165 186 198 243 270 279 297 310 330 341 405 465 486 495 558 594 682 729 810 837 891 930 990 1023 1215 1395 1458 1485 1674 1705 1782 2046 2187 2430 2511 2673 2790 2970 3069 3410 3645 4185 4374 4455 5022 5115 5346 6138 6561 7290 7533 8019 8370 8910 9207 10230 10935 12555 13122 13365 15066 15345 16038 18414 19683 21870 22599 24057 25110 26730 27621 30690 32805 37665 39366 40095 45198 46035 48114 55242 59049 65610 67797 72171 75330 80190 82863 92070 98415 112995 118098 120285 135594 138105 144342 165726 177147 196830 203391 216513 225990 240570 248589 276210 295245 338985 354294 360855 406782 414315 433026 497178 531441 590490 610173 649539 677970 721710 745767 828630 885735 1016955 1062882 1082565 1220346 1242945 1299078 1491534 1771470 1830519 1948617 2033910 2165130 2237301 2485890 2657205 3050865 3247695 3661038 3728835 3897234 4474602 5314410 5491557 5845851 6101730 6495390 6711903 7457670 9152595 9743085 10983114 11186505 11691702 13423806 16474671 18305190 19486170 20135709 22373010 27457785 29229255 32949342 33559515 40271418 54915570 58458510 60407127 67119030 82373355 100678545 120814254 164746710 181221381 201357090 302035635 362442762 604071270 906106905 1812213810
• Sum of all divisors σ(n): 5509976832
• Sum of proper divisors (its aliquot sum) s(n): 3697763022
• 1812213810 is an abundant number, because the sum of its proper divisors (3697763022) is greater than itself. Its abundance is 1885549212

Bases of 1812213810

• Binary: 1101100000001000011000000110010₂
• Hexadecimal: 0x6C043032
• Base-36: TYY14I

Squares and roots of 1812213810

• 1812213810 squared (1812213810²) is 3284118893154716100
• 1812213810 cubed (1812213810³) is 5951525611856890983049341000
• The square root of 1812213810 is 42570.1046510343
• The cube root of 1812213810 is 1219.1855645533

Scales and comparisons

• 1,812,213,810 seconds is equal to 57 years, 32 weeks, 2 days, 16 hours, 43 minutes, 30 seconds.
• To count from 1 to 1,812,213,810 would take you about one hundred fifteen 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 1812213810 cubic inches would be around 101.6 feet tall.

Recreational maths with 1812213810

• 1812213810 backwards is 0183122181
• 1812213810 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1812213810's digits is 27
• More coming soon!