13585291820

Names of 13585291820

• Cardinal: 13585291820 can be written as Thirteen billion, five hundred eighty-five million, two hundred ninety-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.358529182 × 10¹⁰

Factors of 13585291820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 189

Divisors of 13585291820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 31 62 124 151 155 302 310 604 620 755 961 1510 1922 3020 3844 4681 4805 9362 9610 18724 19220 22801 23405 29791 45602 46810 59582 91204 93620 114005 119164 145111 148955 228010 290222 297910 456020 580444 595820 706831 725555 1413662 1451110 2827324 2902220 3534155 4498441 7068310 8996882 14136620 17993764 21911761 22492205 43823522 44984410 87647044 89968820 109558805 219117610 438235220 679264591 1358529182 2717058364 3396322955 6792645910 13585291820
• Sum of all divisors σ(n): 29676576384
• Sum of proper divisors (its aliquot sum) s(n): 16091284564
• 13585291820 is an abundant number, because the sum of its proper divisors (16091284564) is greater than itself. Its abundance is 2505992744

Bases of 13585291820

• Binary: 1100101001101111110001101000101100₂
• Hexadecimal: 0x329BF1A2C
• Base-36: 68OBY98

Squares and roots of 13585291820

• 13585291820 squared (13585291820²) is 184560153834558912400
• 13585291820 cubed (13585291820³) is 2507303548186574825935816568000
• The square root of 13585291820 is 116555.9600363705
• The cube root of 13585291820 is 2386.1055849563

Scales and comparisons

• 13,585,291,820 seconds is equal to 431 years, 50 weeks, 3 days, 4 hours, 10 minutes, 20 seconds.
• To count from 1 to 13,585,291,820 would take you about eight 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 13585291820 cubic inches would be around 198.8 feet tall.

Recreational maths with 13585291820

• 13585291820 backwards is 02819258531
• The number of decimal digits it has is: 11
• The sum of 13585291820's digits is 44
• More coming soon!