9721422425

Names of 9721422425

• Cardinal: 9721422425 can be written as Nine billion, seven hundred twenty-one million, four hundred twenty-two thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 9.721422425 × 10⁹

Factors of 9721422425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1307

Divisors of 9721422425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 13 25 47 55 65 143 235 275 325 517 611 715 1175 1231 2209 2585 3055 3575 6155 6721 11045 12925 13541 15275 16003 24299 28717 30775 33605 55225 57857 67705 80015 121495 143585 168025 176033 289285 315887 338525 400075 607475 636427 717925 752141 880165 1446425 1579435 2719279 3182135 3760705 4400825 7897175 8273551 13596395 15910675 18803525 29912069 35350627 41367755 67981975 149560345 176753135 206838775 388856897 747801725 883765675 1944284485 9721422425
• Sum of all divisors σ(n): 14481489792
• Sum of proper divisors (its aliquot sum) s(n): 4760067367
• 9721422425 is a deficient number, because the sum of its proper divisors (4760067367) is less than itself. Its deficiency is 4961355058

Bases of 9721422425

• Binary: 1001000011011100010010001001011001₂
• Hexadecimal: 0x243712259
• Base-36: 4GRVTJT

Squares and roots of 9721422425

• 9721422425 squared (9721422425²) is 94506053965292880625
• 9721422425 cubed (9721422425³) is 918733272316458381400723015625
• The square root of 9721422425 is 98597.2739227611
• The cube root of 9721422425 is 2134.2400807841

Scales and comparisons

• 9,721,422,425 seconds is equal to 309 years, 5 weeks, 5 days, 11 hours, 7 minutes, 5 seconds.
• To count from 1 to 9,721,422,425 would take you about six hundred eighteen 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 9721422425 cubic inches would be around 177.9 feet tall.

Recreational maths with 9721422425

• 9721422425 backwards is 5242241279
• The number of decimal digits it has is: 10
• The sum of 9721422425's digits is 38
• More coming soon!