28955844840

Names of 28955844840

• Cardinal: 28955844840 can be written as Twenty-eight billion, nine hundred fifty-five million, eight hundred forty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.895584484 × 10¹⁰

Factors of 28955844840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109854

Divisors of 28955844840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 169 195 260 312 338 390 507 520 676 780 845 1014 1352 1560 1690 2028 2197 2535 3380 4056 4394 5070 6591 6760 8788 10140 10985 13182 17576 20280 21970 26364 32955 43940 52728 65910 87880 109831 131820 219662 263640 329493 439324 549155 658986 878648 1098310 1317972 1427803 1647465 2196620 2635944 2855606 3294930 4283409 4393240 5711212 6589860 7139015 8566818 11422424 13179720 14278030 17133636 18561439 21417045 28556060 34267272 37122878 42834090 55684317 57112120 74245756 85668180 92807195 111368634 148491512 171336360 185614390 222737268 241298707 278421585 371228780 445474536 482597414 556843170 723896121 742457560 965194828 1113686340 1206493535 1447792242 1930389656 2227372680 2412987070 2895584484 3619480605 4825974140 5791168968 7238961210 9651948280 14477922420 28955844840
• Sum of all divisors σ(n): 94104057600
• Sum of proper divisors (its aliquot sum) s(n): 65148212760
• 28955844840 is an abundant number, because the sum of its proper divisors (65148212760) is greater than itself. Its abundance is 36192367920

Bases of 28955844840

• Binary: 11010111101111001110010000011101000₂
• Hexadecimal: 0x6BDE720E8
• Base-36: DAVK8VC

Squares and roots of 28955844840

• 28955844840 squared (28955844840²) is 838440950398154625600
• 28955844840 cubed (28955844840³) is 24277766067231101561201891904000
• The square root of 28955844840 is 170164.1702591941
• The cube root of 28955844840 is 3070.7567389017

Scales and comparisons

• 28,955,844,840 seconds is equal to 920 years, 36 weeks, 5 days, 2 hours, 14 minutes.
• To count from 1 to 28,955,844,840 would take you about one thousand, eight hundred 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 28955844840 cubic inches would be around 255.9 feet tall.

Recreational maths with 28955844840

• 28955844840 backwards is 04844855982
• The number of decimal digits it has is: 11
• The sum of 28955844840's digits is 57
• More coming soon!