1339903890

Names of 1339903890

• Cardinal: 1339903890 can be written as One billion, three hundred thirty-nine million, nine hundred three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.33990389 × 10⁹

Factors of 1339903890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 381762

Divisors of 1339903890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 381739 763478 1145217 1908695 2290434 3435651 3817390 4962607 5726085 6871302 9925214 10306953 11452170 14887821 17178255 20613906 24813035 29775642 34356510 44663463 49626070 51534765 74439105 89326926 103069530 133990389 148878210 223317315 267980778 446634630 669951945 1339903890
• Sum of all divisors σ(n): 3847939200
• Sum of proper divisors (its aliquot sum) s(n): 2508035310
• 1339903890 is an abundant number, because the sum of its proper divisors (2508035310) is greater than itself. Its abundance is 1168131420

Bases of 1339903890

• Binary: 1001111110111010100111110010010₂
• Hexadecimal: 0x4FDD4F92
• Base-36: M5QSGI

Squares and roots of 1339903890

• 1339903890 squared (1339903890²) is 1795342434437132100
• 1339903890 cubed (1339903890³) is 2405586311784383261233869000
• The square root of 1339903890 is 36604.6976493455
• The cube root of 1339903890 is 1102.4474129205

Scales and comparisons

• 1,339,903,890 seconds is equal to 42 years, 31 weeks, 3 days, 3 hours, 31 minutes, 30 seconds.
• To count from 1 to 1,339,903,890 would take you about eighty-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 1339903890 cubic inches would be around 91.9 feet tall.

Recreational maths with 1339903890

• 1339903890 backwards is 0983099331
• 1339903890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1339903890's digits is 45
• More coming soon!