31668979968

Names of 31668979968

• Cardinal: 31668979968 can be written as Thirty-one billion, six hundred sixty-eight million, nine hundred seventy-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1668979968 × 10¹⁰

Factors of 31668979968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 158025

Divisors of 31668979968

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 128 144 174 192 216 232 256 261 288 348 384 432 464 522 576 696 768 783 864 928 1044 1152 1392 1566 1728 1856 2088 2304 2784 3132 3456 3712 4176 5568 6264 6912 7424 8352 11136 12528 16704 22272 25056 33408 50112 66816 100224 157991 200448 315982 473973 631964 947946 1263928 1421919 1895892 2527856 2843838 3791784 4265757 4581739 5055712 5687676 7583568 8531514 9163478 10111424 11375352 13745217 15167136 17063028 18326956 20222848 22750704 27490434 30334272 34126056 36653912 40445696 41235651 45501408 54980868 60668544 68252112 73307824 82471302 91002816 109961736 121337088 123706953 136504224 146615648 164942604 182005632 219923472 247413906 273008448 293231296 329885208 364011264 439846944 494827812 546016896 586462592 659770416 879693888 989655624 1092033792 1172925184 1319540832 1759387776 1979311248 2639081664 3518775552 3958622496 5278163328 7917244992 10556326656 15834489984 31668979968
• Sum of all divisors σ(n): 96880694400
• Sum of proper divisors (its aliquot sum) s(n): 65211714432
• 31668979968 is an abundant number, because the sum of its proper divisors (65211714432) is greater than itself. Its abundance is 33542734464

Bases of 31668979968

• Binary: 11101011111100111100100100100000000₂
• Hexadecimal: 0x75F9E4900
• Base-36: EJQW5C0

Squares and roots of 31668979968

• 31668979968 squared (31668979968²) is 1002924292213585281024
• 31668979968 cubed (31668979968³) is 31761589319532610642208706527232
• The square root of 31668979968 is 177957.8038974409
• The cube root of 31668979968 is 3163.8170229121

Scales and comparisons

• 31,668,979,968 seconds is equal to 1,006 years, 50 weeks, 5 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 31,668,979,968 would take you about two thousand and thirteen 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 31668979968 cubic inches would be around 263.7 feet tall.

Recreational maths with 31668979968

• 31668979968 backwards is 86997986613
• 31668979968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31668979968's digits is 72
• More coming soon!