399030016

Names of 399030016

• Cardinal: 399030016 can be written as Three hundred ninety-nine million, thirty thousand and sixteen.

Scientific notation

• Scientific notation: 3.99030016 × 10⁸

Factors of 399030016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 704

Divisors of 399030016

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 32 44 56 62 64 77 88 112 124 128 154 176 217 224 248 256 308 341 352 434 448 496 616 653 682 704 868 896 992 1232 1306 1364 1408 1736 1792 1984 2387 2464 2612 2728 2816 3472 3968 4571 4774 4928 5224 5456 6944 7183 7936 9142 9548 9856 10448 10912 13888 14366 18284 19096 19712 20243 20896 21824 27776 28732 36568 38192 40486 41792 43648 50281 55552 57464 73136 76384 80972 83584 87296 100562 114928 141701 146272 152768 161944 167168 201124 222673 229856 283402 292544 305536 323888 402248 445346 459712 566804 585088 611072 647776 804496 890692 919424 1133608 1170176 1295552 1558711 1608992 1781384 1838848 2267216 2591104 3117422 3217984 3562768 4534432 5182208 6234844 6435968 7125536 9068864 12469688 12871936 14251072 18137728 24939376 28502144 36275456 49878752 57004288 99757504 199515008 399030016
• Sum of all divisors σ(n): 1026643968
• Sum of proper divisors (its aliquot sum) s(n): 627613952
• 399030016 is an abundant number, because the sum of its proper divisors (627613952) is greater than itself. Its abundance is 228583936

Bases of 399030016

• Binary: 10111110010001011011100000000₂
• Hexadecimal: 0x17C8B700
• Base-36: 6LKLJ4

Squares and roots of 399030016

• 399030016 squared (399030016²) is 159224953668960256
• 399030016 cubed (399030016³) is 63535535810124469655044096
• The square root of 399030016 is 19975.7356810707
• The cube root of 399030016 is 736.2102423949

Scales and comparisons

• 399,030,016 seconds is equal to 12 years, 35 weeks, 5 days, 9 hours, 40 minutes, 16 seconds.
• To count from 1 to 399,030,016 would take you about nineteen 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 399030016 cubic inches would be around 61.4 feet tall.

Recreational maths with 399030016

• 399030016 backwards is 610030993
• 399030016 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 399030016's digits is 31
• More coming soon!