18212072200

Names of 18212072200

• Cardinal: 18212072200 can be written as Eighteen billion, two hundred twelve million, seventy-two thousand, two hundred.

Scientific notation

• Scientific notation: 1.82120722 × 10¹⁰

Factors of 18212072200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2079

Divisors of 18212072200

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 31 35 40 50 56 62 70 100 124 140 155 175 200 217 233 248 280 310 350 434 466 620 700 775 868 932 1085 1165 1240 1400 1550 1631 1736 1801 1864 2170 2330 3100 3262 3602 4340 4660 5425 5825 6200 6524 7204 7223 8155 8680 9005 9320 10850 11650 12607 13048 14408 14446 16310 18010 21700 23300 25214 28892 32620 36020 36115 40775 43400 45025 46600 50428 50561 55831 57784 63035 65240 72040 72230 81550 90050 100856 101122 111662 126070 144460 163100 180100 180575 202244 223324 252140 252805 279155 288920 315175 326200 360200 361150 390817 404488 419633 446648 504280 505610 558310 630350 722300 781634 839266 1011220 1116620 1260700 1264025 1395775 1444600 1563268 1678532 1954085 2022440 2098165 2233240 2521400 2528050 2791550 2937431 3126536 3357064 3908170 4196330 5056100 5583100 5874862 7816340 8392660 9770425 10112200 10490825 11166200 11749724 13008623 14687155 15632680 16785320 19540850 20981650 23499448 26017246 29374310 39081700 41963300 52034492 58748620 65043115 73435775 78163400 83926600 91060361 104068984 117497240 130086230 146871550 182120722 260172460 293743100 325215575 364241444 455301805 520344920 587486200 650431150 728482888 910603610 1300862300 1821207220 2276509025 2601724600 3642414440 4553018050 9106036100 18212072200
• Sum of all divisors σ(n): 50195358720
• Sum of proper divisors (its aliquot sum) s(n): 31983286520
• 18212072200 is an abundant number, because the sum of its proper divisors (31983286520) is greater than itself. Its abundance is 13771214320

Bases of 18212072200

• Binary: 10000111101100001100010101100001000₂
• Hexadecimal: 0x43D862B08
• Base-36: 8D6ZWUG

Squares and roots of 18212072200

• 18212072200 squared (18212072200²) is 331679573818012840000
• 18212072200 cubed (18212072200³) is 6040572345638879502607048000000
• The square root of 18212072200 is 134952.1107652637
• The cube root of 18212072200 is 2630.9935766047

Scales and comparisons

• 18,212,072,200 seconds is equal to 579 years, 4 weeks, 3 days, 20 hours, 56 minutes, 40 seconds.
• To count from 1 to 18,212,072,200 would take you about one thousand, one hundred fifty-eight 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 18212072200 cubic inches would be around 219.2 feet tall.

Recreational maths with 18212072200

• 18212072200 backwards is 00227021281
• 18212072200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18212072200's digits is 25
• More coming soon!