18297972900

Names of 18297972900

• Cardinal: 18297972900 can be written as Eighteen billion, two hundred ninety-seven million, nine hundred seventy-two thousand, nine hundred.

Scientific notation

• Scientific notation: 1.82979729 × 10¹⁰

Factors of 18297972900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 177

Divisors of 18297972900

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 167 180 225 243 270 300 324 334 405 450 486 501 540 668 675 729 810 835 900 972 1002 1215 1350 1458 1503 1620 1670 2004 2025 2187 2430 2505 2700 2916 3006 3340 3645 4050 4175 4374 4509 4860 5010 6012 6075 6561 7290 7515 8100 8350 8748 9018 10020 10935 12150 12525 13122 13527 14580 15030 16700 18036 18225 21870 22545 24300 25050 26244 27054 27889 30060 32805 36450 37575 40581 43740 45090 50100 54108 54675 55778 65610 67635 72900 75150 81162 83667 90180 109350 111556 112725 121743 131220 135270 139445 150300 162324 164025 167334 202905 218700 225450 243486 251001 270540 278890 328050 334668 338175 365229 405810 418335 450900 486972 502002 557780 608715 656100 676350 697225 730458 753003 811620 836670 1004004 1014525 1095687 1217430 1255005 1352700 1394450 1460916 1506006 1673340 1826145 2029050 2091675 2191374 2259009 2434860 2510010 2788900 3012012 3043575 3652290 3765015 4058100 4183350 4382748 4518018 5020020 5478435 6087150 6275025 6777027 7304580 7530030 8366700 9036036 9130725 10956870 11295045 12174300 12550050 13554054 15060060 18261450 18825075 20331081 21913740 22590090 25100100 27108108 27392175 33885135 36522900 37650150 40662162 45180180 54784350 56475225 60993243 67770270 75300300 81324324 101655405 109568700 112950450 121986486 135540540 169425675 182979729 203310810 225900900 243972972 304966215 338851350 365959458 406621620 508277025 609932430 677702700 731918916 914898645 1016554050 1219864860 1524831075 1829797290 2033108100 3049662150 3659594580 4574493225 6099324300 9148986450 18297972900
• Sum of all divisors σ(n): 59915639329
• Sum of proper divisors (its aliquot sum) s(n): 41617666429
• 18297972900 is an abundant number, because the sum of its proper divisors (41617666429) is greater than itself. Its abundance is 23319693529

Bases of 18297972900

• Binary: 10001000010101001001110100010100100₂
• Hexadecimal: 0x442A4E8A4
• Base-36: 8EM5290

Squares and roots of 18297972900

• 18297972900 squared (18297972900²) is 334815812249134410000
• 18297972900 cubed (18297972900³) is 6126450659026149482637489000000
• 18297972900 is a perfect square number. Its square root is 135270
• The cube root of 18297972900 is 2635.1236171087

Scales and comparisons

• 18,297,972,900 seconds is equal to 581 years, 42 weeks, 4 days, 2 hours, 15 minutes.
• To count from 1 to 18,297,972,900 would take you about one thousand, one hundred sixty-three 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 18297972900 cubic inches would be around 219.6 feet tall.

Recreational maths with 18297972900

• 18297972900 backwards is 00927979281
• 18297972900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18297972900's digits is 54
• More coming soon!