9906689680

Names of 9906689680

• Cardinal: 9906689680 can be written as Nine billion, nine hundred six million, six hundred eighty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 9.90668968 × 10⁹

Factors of 9906689680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1275

Divisors of 9906689680

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 38 40 67 76 80 89 95 134 152 178 190 268 304 335 356 380 445 536 670 712 760 890 1072 1093 1273 1340 1424 1520 1691 1780 2186 2546 2680 3382 3560 4372 5092 5360 5465 5963 6365 6764 7120 8455 8744 10184 10930 11926 12730 13528 16910 17488 20368 20767 21860 23852 25460 27056 29815 33820 41534 43720 47704 50920 59630 67640 73231 83068 87440 95408 97277 101840 103835 113297 119260 135280 146462 166136 194554 207670 226594 238520 292924 332272 366155 389108 415340 453188 477040 486385 566485 585848 732310 778216 830680 906376 972770 1132970 1171696 1391389 1464620 1556432 1661360 1812752 1848263 1945540 2265940 2782778 2929240 3696526 3891080 4531880 5565556 5858480 6517559 6956945 7393052 7782160 9063760 9241315 11131112 13035118 13913890 14786104 18482630 22262224 26070236 27827780 29572208 32587795 36965260 52140472 55655560 65175590 73930520 104280944 111311120 123833621 130351180 147861040 247667242 260702360 495334484 521404720 619168105 990668968 1238336210 1981337936 2476672420 4953344840 9906689680
• Sum of all divisors σ(n): 24906441600
• Sum of proper divisors (its aliquot sum) s(n): 14999751920
• 9906689680 is an abundant number, because the sum of its proper divisors (14999751920) is greater than itself. Its abundance is 5093062240

Bases of 9906689680

• Binary: 1001001110011111000001011010010000₂
• Hexadecimal: 0x24E7C1690
• Base-36: 4JU6QOG

Squares and roots of 9906689680

• 9906689680 squared (9906689680²) is 98142500415818502400
• 9906689680 cubed (9906689680³) is 972267296038784866479135232000
• The square root of 9906689680 is 99532.3549404915
• The cube root of 9906689680 is 2147.7127057801

Scales and comparisons

• 9,906,689,680 seconds is equal to 315 years, 18 hours, 14 minutes, 40 seconds.
• To count from 1 to 9,906,689,680 would take you about six hundred thirty 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 9906689680 cubic inches would be around 179 feet tall.

Recreational maths with 9906689680

• 9906689680 backwards is 0869866099
• The number of decimal digits it has is: 10
• The sum of 9906689680's digits is 61
• More coming soon!