868991472

Names of 868991472

• Cardinal: 868991472 can be written as Eight hundred sixty-eight million, nine hundred ninety-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 8.68991472 × 10⁸

Factors of 868991472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3878

Divisors of 868991472

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 37 43 48 72 74 86 111 129 144 148 172 222 258 296 333 344 387 444 516 592 666 688 774 888 1032 1332 1548 1591 1776 2064 2664 3096 3182 3793 4773 5328 6192 6364 7586 9546 11379 12728 14319 15172 19092 22758 25456 28638 30344 34137 38184 45516 57276 60688 68274 76368 91032 114552 136548 140341 163099 182064 229104 273096 280682 326198 421023 489297 546192 561364 652396 842046 978594 1122728 1263069 1304792 1467891 1684092 1957188 2245456 2526138 2609584 2935782 3368184 3914376 5052276 5871564 6034663 6736368 7828752 10104552 11743128 12069326 18103989 20209104 23486256 24138652 36207978 48277304 54311967 72415956 96554608 108623934 144831912 217247868 289663824 434495736 868991472
• Sum of all divisors σ(n): 2556457904
• Sum of proper divisors (its aliquot sum) s(n): 1687466432
• 868991472 is an abundant number, because the sum of its proper divisors (1687466432) is greater than itself. Its abundance is 818474960

Bases of 868991472

• Binary: 110011110010111100000111110000₂
• Hexadecimal: 0x33CBC1F0
• Base-36: EDDI40

Squares and roots of 868991472

• 868991472 squared (868991472²) is 755146178408726784
• 868991472 cubed (868991472³) is 656215589150574105673986048
• The square root of 868991472 is 29478.6612993195
• The cube root of 868991472 is 954.2712465259

Scales and comparisons

• 868,991,472 seconds is equal to 27 years, 32 weeks, 5 days, 18 hours, 31 minutes, 12 seconds.
• To count from 1 to 868,991,472 would take you about forty-one 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 868991472 cubic inches would be around 79.5 feet tall.

Recreational maths with 868991472

• 868991472 backwards is 274199868
• The number of decimal digits it has is: 9
• The sum of 868991472's digits is 54
• More coming soon!