1561328832

Names of 1561328832

• Cardinal: 1561328832 can be written as One billion, five hundred sixty-one million, three hundred twenty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.561328832 × 10⁹

Factors of 1561328832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1161715

Divisors of 1561328832

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 1161703 2323406 3485109 4646812 6970218 8131921 9293624 13940436 16263842 18587248 24395763 27880872 32527684 37174496 48791526 55761744 65055368 74348992 97583052 111523488 130110736 195166104 223046976 260221472 390332208 520442944 780664416 1561328832
• Sum of all divisors σ(n): 4721165056
• Sum of proper divisors (its aliquot sum) s(n): 3159836224
• 1561328832 is an abundant number, because the sum of its proper divisors (3159836224) is greater than itself. Its abundance is 1598507392

Bases of 1561328832

• Binary: 1011101000011111111110011000000₂
• Hexadecimal: 0x5D0FFCC0
• Base-36: PTKP1C

Squares and roots of 1561328832

• 1561328832 squared (1561328832²) is 2437747721634484224
• 1561328832 cubed (1561328832³) is 3806125802930230384380346368
• The square root of 1561328832 is 39513.6537414599
• The cube root of 1561328832 is 1160.1072116525

Scales and comparisons

• 1,561,328,832 seconds is equal to 49 years, 33 weeks, 3 days, 22 hours, 27 minutes, 12 seconds.
• To count from 1 to 1,561,328,832 would take you about ninety-nine 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 1561328832 cubic inches would be around 96.7 feet tall.

Recreational maths with 1561328832

• 1561328832 backwards is 2388231651
• The number of decimal digits it has is: 10
• The sum of 1561328832's digits is 39
• More coming soon!