18201552820

Names of 18201552820

• Cardinal: 18201552820 can be written as Eighteen billion, two hundred one million, five hundred fifty-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.820155282 × 10¹⁰

Factors of 18201552820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 30759

Divisors of 18201552820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 20 22 37 44 55 73 74 110 146 148 185 220 292 365 370 407 730 740 803 814 1460 1606 1628 2035 2701 3212 4015 4070 5402 8030 8140 10804 13505 16060 27010 29711 30631 54020 59422 61262 118844 122524 148555 153155 297110 306310 336941 594220 612620 673882 1133347 1347764 1684705 2236063 2266694 3369410 4472126 4533388 5666735 6738820 8944252 11180315 11333470 12466817 22360630 22666940 24596693 24933634 44721260 49193386 49867268 62334085 82734331 98386772 122983465 124668170 165468662 245966930 249336340 330937324 413671655 491933860 827343310 910077641 1654686620 1820155282 3640310564 4550388205 9100776410 18201552820
• Sum of all divisors σ(n): 43413140736
• Sum of proper divisors (its aliquot sum) s(n): 25211587916
• 18201552820 is an abundant number, because the sum of its proper divisors (25211587916) is greater than itself. Its abundance is 7010035096

Bases of 18201552820

• Binary: 10000111100111001011010011110110100₂
• Hexadecimal: 0x43CE5A7B4
• Base-36: 8D0QG1G

Squares and roots of 18201552820

• 18201552820 squared (18201552820²) is 331296525059249952400
• 18201552820 cubed (18201552820³) is 6030111199948391638191085768000
• The square root of 18201552820 is 134913.1306433885
• The cube root of 18201552820 is 2630.4869208859

Scales and comparisons

• 18,201,552,820 seconds is equal to 578 years, 39 weeks, 1 day, 2 hours, 53 minutes, 40 seconds.
• To count from 1 to 18,201,552,820 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 18201552820 cubic inches would be around 219.2 feet tall.

Recreational maths with 18201552820

• 18201552820 backwards is 02825510281
• The number of decimal digits it has is: 11
• The sum of 18201552820's digits is 34
• More coming soon!