9709408940

Names of 9709408940

• Cardinal: 9709408940 can be written as Nine billion, seven hundred nine million, four hundred eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 9.70940894 × 10⁹

Factors of 9709408940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 203437

Divisors of 9709408940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 31 35 44 55 62 70 77 110 124 140 154 155 217 220 308 310 341 385 434 620 682 770 868 1085 1364 1540 1705 2170 2387 3410 4340 4774 6820 9548 11935 23870 47740 203381 406762 813524 1016905 1423667 2033810 2237191 2847334 4067620 4474382 5694668 6304811 7118335 8948764 11185955 12609622 14236670 15660337 22371910 25219244 28473340 31320674 31524055 44133677 44743820 62641348 63048110 69352921 78301685 88267354 126096220 138705842 156603370 176534708 220668385 277411684 313206740 346764605 441336770 485470447 693529210 882673540 970940894 1387058420 1941881788 2427352235 4854704470 9709408940
• Sum of all divisors σ(n): 26241159168
• Sum of proper divisors (its aliquot sum) s(n): 16531750228
• 9709408940 is an abundant number, because the sum of its proper divisors (16531750228) is greater than itself. Its abundance is 6822341288

Bases of 9709408940

• Binary: 1001000010101110011101001010101100₂
• Hexadecimal: 0x242B9D2AC
• Base-36: 4GKQBVW

Squares and roots of 9709408940

• 9709408940 squared (9709408940²) is 94272621964151923600
• 9709408940 cubed (9709408940³) is 915331438495977046520036984000
• The square root of 9709408940 is 98536.3330959703
• The cube root of 9709408940 is 2133.3605719721

Scales and comparisons

• 9,709,408,940 seconds is equal to 308 years, 37 weeks, 6 days, 10 hours, 2 minutes, 20 seconds.
• To count from 1 to 9,709,408,940 would take you about six hundred seventeen 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 9709408940 cubic inches would be around 177.8 feet tall.

Recreational maths with 9709408940

• 9709408940 backwards is 0498049079
• The number of decimal digits it has is: 10
• The sum of 9709408940's digits is 50
• More coming soon!