68442393123

Names of 68442393123

• Cardinal: 68442393123 can be written as Sixty-eight billion, four hundred forty-two million, three hundred ninety-three thousand, one hundred twenty-three.

Scientific notation

• Scientific notation: 6.8442393123 × 10¹⁰

Factors of 68442393123

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7808

Divisors of 68442393123

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 19 27 31 39 43 57 93 117 129 171 247 279 351 387 403 513 559 589 741 817 837 1161 1209 1333 1677 1767 2223 2451 3627 3999 5031 5301 6669 7353 7657 7699 10621 10881 11997 15093 15903 17329 22059 22971 23097 25327 31863 35991 51987 68913 69291 75981 95589 100087 146281 155961 206739 207873 227943 238669 286767 300261 329251 331057 438843 467883 683829 716007 900783 987753 993171 1316529 1901653 2148021 2702349 2963259 2979513 3102697 3949587 4303741 4534711 5704959 6290083 6444063 8889777 8938539 9308091 10262767 12911223 13604133 17114877 18870249 27924273 30788301 38733669 40812399 51344631 56610747 58951243 81771079 83772819 92364903 116201007 122437197 133415971 169832241 176853729 194992573 245313237 277094709 400247913 530561187 584977719 735939711 1200743739 1591683561 1754933157 2207819133 2534903449 3602231217 5264799471 7604710347 22814131041 68442393123
• Sum of all divisors σ(n): 121425920000
• Sum of proper divisors (its aliquot sum) s(n): 52983526877
• 68442393123 is a deficient number, because the sum of its proper divisors (52983526877) is less than itself. Its deficiency is 15458866246

Bases of 68442393123

• Binary: 111111101111011111000000101000100011₂
• Hexadecimal: 0xFEF7C0A23
• Base-36: VFWU0IR

Squares and roots of 68442393123

• 68442393123 squared (68442393123²) is 4684361176403277693129
• 68442393123 cubed (68442393123³) is 320608889165511883058871573951867
• The square root of 68442393123 is 261614.9711369745
• The cube root of 68442393123 is 4090.4874274965

Scales and comparisons

• 68,442,393,123 seconds is equal to 2,176 years, 13 weeks, 2 days, 7 hours, 52 minutes, 3 seconds.
• To count from 1 to 68,442,393,123 would take you about four thousand, three hundred fifty-two 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 68442393123 cubic inches would be around 340.9 feet tall.

Recreational maths with 68442393123

• 68442393123 backwards is 32139324486
• The number of decimal digits it has is: 11
• The sum of 68442393123's digits is 45
• More coming soon!