1678428672

Names of 1678428672

• Cardinal: 1678428672 can be written as One billion, six hundred seventy-eight million, four hundred twenty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.678428672 × 10⁹

Factors of 1678428672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 108

Divisors of 1678428672

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 256 309 384 412 512 618 768 824 1236 1536 1648 2472 3296 4944 6592 9888 10609 13184 19776 21218 26368 31827 39552 42436 52736 63654 79104 84872 127308 158208 169744 254616 339488 509232 678976 1018464 1092727 1357952 2036928 2185454 2715904 3278181 4073856 4370908 5431808 6556362 8147712 8741816 13112724 16295424 17483632 26225448 34967264 52450896 69934528 104901792 139869056 209803584 279738112 419607168 559476224 839214336 1678428672
• Sum of all divisors σ(n): 4515276480
• Sum of proper divisors (its aliquot sum) s(n): 2836847808
• 1678428672 is an abundant number, because the sum of its proper divisors (2836847808) is greater than itself. Its abundance is 1158419136

Bases of 1678428672

• Binary: 1100100000010101100101000000000₂
• Hexadecimal: 0x640ACA00
• Base-36: RRAJUO

Squares and roots of 1678428672

• 1678428672 squared (1678428672²) is 2817122806991683584
• 1678428672 cubed (1678428672³) is 4728339691799963792937320448
• The square root of 1678428672 is 40968.6303407863
• The cube root of 1678428672 is 1188.4136459333

Scales and comparisons

• 1,678,428,672 seconds is equal to 53 years, 19 weeks, 1 day, 6 hours, 11 minutes, 12 seconds.
• To count from 1 to 1,678,428,672 would take you about one hundred six 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 1678428672 cubic inches would be around 99 feet tall.

Recreational maths with 1678428672

• 1678428672 backwards is 2768248761
• The number of decimal digits it has is: 10
• The sum of 1678428672's digits is 51
• More coming soon!