18418899200

Names of 18418899200

• Cardinal: 18418899200 can be written as Eighteen billion, four hundred eighteen million, eight hundred ninety-nine thousand, two hundred.

Scientific notation

• Scientific notation: 1.84188992 × 10¹⁰

Factors of 18418899200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4250

Divisors of 18418899200

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 53 64 65 80 100 104 106 128 130 160 200 208 212 256 260 265 320 325 400 416 424 520 530 640 650 689 800 832 848 1040 1060 1280 1300 1325 1378 1600 1664 1696 2080 2120 2600 2650 2756 3200 3328 3392 3445 4160 4177 4240 5200 5300 5512 6400 6784 6890 8320 8354 8480 10400 10600 11024 13568 13780 16640 16708 16960 17225 20800 20885 21200 22048 27560 33416 33920 34450 41600 41770 42400 44096 54301 55120 66832 67840 68900 83200 83540 84800 88192 104425 108602 110240 133664 137800 167080 169600 176384 208850 217204 220480 221381 267328 271505 275600 334160 339200 417700 434408 440960 442762 534656 543010 551200 668320 835400 868816 881920 885524 1069312 1086020 1102400 1106905 1336640 1357525 1670800 1737632 1771048 2172040 2204800 2213810 2673280 2715050 2877953 3341600 3475264 3542096 4344080 4409600 4427620 5346560 5430100 5534525 5755906 6683200 6950528 7084192 8688160 8855240 10860200 11069050 11511812 13366400 13901056 14168384 14389765 17376320 17710480 21720400 22138100 23023624 26732800 28336768 28779530 34752640 35420960 43440800 44276200 46047248 56673536 57559060 69505280 70841920 71948825 86881600 88552400 92094496 115118120 141683840 143897650 173763200 177104800 184188992 230236240 283367680 287795300 347526400 354209600 368377984 460472480 575590600 708419200 736755968 920944960 1151181200 1416838400 1841889920 2302362400 3683779840 4604724800 9209449600 18418899200
• Sum of all divisors σ(n): 50034875688
• Sum of proper divisors (its aliquot sum) s(n): 31615976488
• 18418899200 is an abundant number, because the sum of its proper divisors (31615976488) is greater than itself. Its abundance is 13197077288

Bases of 18418899200

• Binary: 10001001001110110100001100100000000₂
• Hexadecimal: 0x449DA1900
• Base-36: 8GM4XKW

Squares and roots of 18418899200

• 18418899200 squared (18418899200²) is 339255847739760640000
• 18418899200 cubed (18418899200³) is 6248719262529199060287488000000
• The square root of 18418899200 is 135716.2451587871
• The cube root of 18418899200 is 2640.9158132757

Scales and comparisons

• 18,418,899,200 seconds is equal to 585 years, 34 weeks, 3 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 18,418,899,200 would take you about one thousand, one hundred seventy-one 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 18418899200 cubic inches would be around 220.1 feet tall.

Recreational maths with 18418899200

• 18418899200 backwards is 00299881481
• 18418899200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18418899200's digits is 50
• More coming soon!