1304012640

Names of 1304012640

• Cardinal: 1304012640 can be written as One billion, three hundred four million, twelve thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.30401264 × 10⁹

Factors of 1304012640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 388116

Divisors of 1304012640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 388099 776198 1164297 1552396 1940495 2328594 2716693 3104792 3880990 4657188 5433386 5821485 6209584 7761980 8150079 9314376 10866772 11642970 12419168 13583465 15523960 16300158 18628752 21733544 23285940 27166930 31047920 32600316 37257504 40750395 43467088 46571880 54333860 62095840 65200632 81500790 86934176 93143760 108667720 130401264 163001580 186287520 217335440 260802528 326003160 434670880 652006320 1304012640
• Sum of all divisors σ(n): 4694457600
• Sum of proper divisors (its aliquot sum) s(n): 3390444960
• 1304012640 is an abundant number, because the sum of its proper divisors (3390444960) is greater than itself. Its abundance is 2086432320

Bases of 1304012640

• Binary: 1001101101110011010011101100000₂
• Hexadecimal: 0x4DB9A760
• Base-36: LKDILC

Squares and roots of 1304012640

• 1304012640 squared (1304012640²) is 1700448965279769600
• 1304012640 cubed (1304012640³) is 2217406944399740694687744000
• The square root of 1304012640 is 36111.1151863245
• The cube root of 1304012640 is 1092.5146442399

Scales and comparisons

• 1,304,012,640 seconds is equal to 41 years, 24 weeks, 17 hours, 44 minutes.
• To count from 1 to 1,304,012,640 would take you about eighty-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 1304012640 cubic inches would be around 91 feet tall.

Recreational maths with 1304012640

• 1304012640 backwards is 0462104031
• 1304012640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1304012640's digits is 21
• More coming soon!