18940832040

Names of 18940832040

• Cardinal: 18940832040 can be written as Eighteen billion, nine hundred forty million, eight hundred thirty-two thousand and forty.

Scientific notation

• Scientific notation: 1.894083204 × 10¹⁰

Factors of 18940832040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12141582

Divisors of 18940832040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 12141559 24283118 36424677 48566236 60707795 72849354 97132472 121415590 145698708 157840267 182123385 242831180 291397416 315680534 364246770 473520801 485662360 631361068 728493540 789201335 947041602 1262722136 1456987080 1578402670 1894083204 2367604005 3156805340 3788166408 4735208010 6313610680 9470416020 18940832040
• Sum of all divisors σ(n): 61193462400
• Sum of proper divisors (its aliquot sum) s(n): 42252630360
• 18940832040 is an abundant number, because the sum of its proper divisors (42252630360) is greater than itself. Its abundance is 23311798320

Bases of 18940832040

• Binary: 10001101000111101100010100100101000₂
• Hexadecimal: 0x468F62928
• Base-36: 8P8VRJC

Squares and roots of 18940832040

• 18940832040 squared (18940832040²) is 358755118367490561600
• 18940832040 cubed (18940832040³) is 6795120440488957723550873664000
• The square root of 18940832040 is 137625.6954205863
• The cube root of 18940832040 is 2665.6288758265

Scales and comparisons

• 18,940,832,040 seconds is equal to 602 years, 13 weeks, 3 days, 14 hours, 14 minutes.
• To count from 1 to 18,940,832,040 would take you about one thousand, two hundred four 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 18940832040 cubic inches would be around 222.1 feet tall.

Recreational maths with 18940832040

• 18940832040 backwards is 04023804981
• 18940832040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18940832040's digits is 39
• More coming soon!