394490768

Names of 394490768

• Cardinal: 394490768 can be written as Three hundred ninety-four million, four hundred ninety thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 3.94490768 × 10⁸

Factors of 394490768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 472

Divisors of 394490768

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 56 71 76 98 112 133 142 152 196 266 284 304 373 392 497 532 568 746 784 931 994 1064 1136 1349 1492 1862 1988 2128 2611 2698 2984 3479 3724 3976 5222 5396 5968 6958 7087 7448 7952 9443 10444 10792 13916 14174 14896 18277 18886 20888 21584 26483 27832 28348 36554 37772 41776 49609 52966 55664 56696 66101 73108 75544 99218 105932 113392 132202 146216 151088 185381 198436 211864 264404 292432 347263 370762 396872 423728 503177 528808 694526 741524 793744 1006354 1057616 1297667 1389052 1483048 2012708 2595334 2778104 2966096 3522239 4025416 5190668 5556208 7044478 8050832 10381336 14088956 20762672 24655673 28177912 49311346 56355824 98622692 197245384 394490768
• Sum of all divisors σ(n): 951635520
• Sum of proper divisors (its aliquot sum) s(n): 557144752
• 394490768 is an abundant number, because the sum of its proper divisors (557144752) is greater than itself. Its abundance is 162653984

Bases of 394490768

• Binary: 10111100000110111001110010000₂
• Hexadecimal: 0x17837390
• Base-36: 6IVB0W

Squares and roots of 394490768

• 394490768 squared (394490768²) is 155622966037229824
• 394490768 cubed (394490768³) is 61391823390464709862264832
• The square root of 394490768 is 19861.7916613783
• The cube root of 394490768 is 733.4079523703

Scales and comparisons

• 394,490,768 seconds is equal to 12 years, 28 weeks, 1 day, 20 hours, 46 minutes, 8 seconds.
• To count from 1 to 394,490,768 would take you about eighteen 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 394490768 cubic inches would be around 61.1 feet tall.

Recreational maths with 394490768

• 394490768 backwards is 867094493
• The number of decimal digits it has is: 9
• The sum of 394490768's digits is 50
• More coming soon!