81796627432990328

Names of 81796627432990328

• Cardinal: 81796627432990328 can be written as Eighty-one quadrillion, seven hundred ninety-six trillion, six hundred twenty-seven billion, four hundred thirty-two million, nine hundred ninety thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 8.1796627432990328 × 10¹⁶

Factors of 81796627432990328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10756908061

Divisors of 81796627432990328

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 19 38 76 152 361 722 1444 2633 2888 5266 10532 21064 50027 100054 200108 400216 950513 1901026 3802052 7604104 10756905407 21513810814 43027621628 86055243256 204381202733 408762405466 817524810932 1635049621864 3883242851927 7766485703854 15532971407708 28322931936631 31065942815416 56645863873262 113291727746524 226583455493048 538135706795989 1076271413591978 2152542827183956 4305085654367912 10224578429123791 20449156858247582 40898313716495164 81796627432990328
• Sum of all divisors σ(n): 161927031747300480
• Sum of proper divisors (its aliquot sum) s(n): 80130404314310152
• 81796627432990328 is a deficient number, because the sum of its proper divisors (80130404314310152) is less than itself. Its deficiency is 1666223118680176

Bases of 81796627432990328

• Binary: 100100010100110011001100101101001111101111110011001111000₂
• Hexadecimal: 0x122999969F7E678
• Base-36: MDEHFVZ9LYW

Squares and roots of 81796627432990328

• 81796627432990328 squared (81796627432990328²) is 6690688259411425895527936141547584
• 81796627432990328 cubed (81796627432990328³) is 547275734825358947502941946102321734290910823767552
• The square root of 81796627432990328 is 286001096.9087187399
• The cube root of 81796627432990328 is 434088.6852413675

Scales and comparisons

• 81,796,627,432,990,328 seconds is equal to 2,600,879,738 years, 40 weeks, 6 days, 20 hours, 52 minutes, 8 seconds.
• To count from 1 to 81,796,627,432,990,328 would take you about seven billion, eight hundred two million, six hundred thirty-nine thousand, two hundred sixteen 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 81796627432990328 cubic inches would be around 36174.1 feet tall.

Recreational maths with 81796627432990328

• 81796627432990328 backwards is 82309923472669718
• The number of decimal digits it has is: 17
• The sum of 81796627432990328's digits is 86
• More coming soon!