1628912864

Names of 1628912864

• Cardinal: 1628912864 can be written as One billion, six hundred twenty-eight million, nine hundred twelve thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.628912864 × 10⁹

Factors of 1628912864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 161

Divisors of 1628912864

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 19 32 37 38 74 76 103 148 152 206 296 304 361 412 592 608 703 722 824 1184 1369 1406 1444 1648 1957 2738 2812 2888 3296 3811 3914 5476 5624 5776 7622 7828 10952 11248 11552 13357 15244 15656 21904 22496 26011 26714 30488 31312 37183 43808 52022 53428 60976 62624 72409 74366 104044 106856 121952 141007 144818 148732 208088 213712 282014 289636 297464 416176 427424 494209 564028 579272 594928 832352 988418 1128056 1158544 1189856 1375771 1976836 2256112 2317088 2679133 2751542 3953672 4512224 5358266 5503084 7907344 10716532 11006168 15814688 21433064 22012336 42866128 44024672 50903527 85732256 101807054 203614108 407228216 814456432 1628912864
• Sum of all divisors σ(n): 3512310984
• Sum of proper divisors (its aliquot sum) s(n): 1883398120
• 1628912864 is an abundant number, because the sum of its proper divisors (1883398120) is greater than itself. Its abundance is 254485256

Bases of 1628912864

• Binary: 1100001000101110011110011100000₂
• Hexadecimal: 0x61173CE0
• Base-36: QXT97K

Squares and roots of 1628912864

• 1628912864 squared (1628912864²) is 2653357118504682496
• 1628912864 cubed (1628912864³) is 4322087543118249761970028544
• The square root of 1628912864 is 40359.7926654733
• The cube root of 1628912864 is 1176.6102236629

Scales and comparisons

• 1,628,912,864 seconds is equal to 51 years, 41 weeks, 2 days, 3 hours, 47 minutes, 44 seconds.
• To count from 1 to 1,628,912,864 would take you about one hundred three 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 1628912864 cubic inches would be around 98.1 feet tall.

Recreational maths with 1628912864

• 1628912864 backwards is 4682198261
• The number of decimal digits it has is: 10
• The sum of 1628912864's digits is 47
• More coming soon!