6999405345

Names of 6999405345

• Cardinal: 6999405345 can be written as Six billion, nine hundred ninety-nine million, four hundred five thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 6.999405345 × 10⁹

Factors of 6999405345

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1418

Divisors of 6999405345

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 19 27 29 45 57 73 87 95 135 145 171 219 261 285 365 435 513 551 657 783 855 1095 1289 1305 1387 1653 1971 2117 2565 2755 3285 3867 3915 4161 4959 6351 6445 6935 8265 9855 10585 11601 12483 14877 19053 19335 20805 24491 24795 31755 34803 37381 37449 40223 57159 58005 62415 73473 74385 94097 95265 112143 120669 122455 174015 186905 187245 201115 220419 282291 285795 336429 362007 367365 470485 560715 603345 661257 710239 846873 1009287 1086021 1102095 1411455 1682145 1787843 1810035 2130717 2540619 2728813 3306285 3551195 4234365 5046435 5363529 5430105 6392151 8186439 8939215 10653585 12703095 13644065 16090587 19176453 24559317 26817645 31960755 40932195 48271761 51847447 73677951 80452935 95882265 122796585 155542341 241358805 259237235 368389755 466627023 777711705 1399881069 2333135115 6999405345
• Sum of all divisors σ(n): 13746240000
• Sum of proper divisors (its aliquot sum) s(n): 6746834655
• 6999405345 is a deficient number, because the sum of its proper divisors (6746834655) is less than itself. Its deficiency is 252570690

Bases of 6999405345

• Binary: 110100001001100100111001100100001₂
• Hexadecimal: 0x1A1327321
• Base-36: 37R9JQ9

Squares and roots of 6999405345

• 6999405345 squared (6999405345²) is 48991675183614569025
• 6999405345 cubed (6999405345³) is 342912593140695670853456438625
• The square root of 6999405345 is 83662.4488345877
• The cube root of 6999405345 is 1912.8770129483

Scales and comparisons

• 6,999,405,345 seconds is equal to 222 years, 29 weeks, 15 hours, 15 minutes, 45 seconds.
• To count from 1 to 6,999,405,345 would take you about four hundred forty-five 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 6999405345 cubic inches would be around 159.4 feet tall.

Recreational maths with 6999405345

• 6999405345 backwards is 5435049996
• The number of decimal digits it has is: 10
• The sum of 6999405345's digits is 54
• More coming soon!