28301284720

Names of 28301284720

• Cardinal: 28301284720 can be written as Twenty-eight billion, three hundred one million, two hundred eighty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.830128472 × 10¹⁰

Factors of 28301284720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 500

Divisors of 28301284720

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 40 46 80 92 115 157 184 230 313 314 368 460 626 628 785 920 1252 1256 1565 1570 1840 2504 2512 3130 3140 3611 5008 6260 6280 7199 7222 12520 12560 14398 14444 18055 25040 28796 28888 35995 36110 49141 57592 57776 71990 72220 97969 98282 115184 143980 144440 195938 196564 245705 287960 288880 391876 393128 489845 491410 575920 783752 786256 979690 982820 1130243 1567504 1959380 1965640 2253287 2260486 3918760 3931280 4506574 4520972 5651215 7837520 9013148 9041944 11266435 11302430 15381133 18026296 18083888 22532870 22604860 30762266 36052592 45065740 45209720 61524532 76905665 90131480 90419440 123049064 153811330 180262960 246098128 307622660 353766059 615245320 707532118 1230490640 1415064236 1768830295 2830128472 3537660590 5660256944 7075321180 14150642360 28301284720
• Sum of all divisors σ(n): 69320179296
• Sum of proper divisors (its aliquot sum) s(n): 41018894576
• 28301284720 is an abundant number, because the sum of its proper divisors (41018894576) is greater than itself. Its abundance is 12717609856

Bases of 28301284720

• Binary: 11010010110111000110101010101110000₂
• Hexadecimal: 0x696E35570
• Base-36: D01UR1S

Squares and roots of 28301284720

• 28301284720 squared (28301284720²) is 800962716802505478400
• 28301284720 cubed (28301284720³) is 22668273898332435553558210048000
• The square root of 28301284720 is 168229.8568031251
• The cube root of 28301284720 is 3047.4415423645

Scales and comparisons

• 28,301,284,720 seconds is equal to 899 years, 46 weeks, 3 days, 3 hours, 58 minutes, 40 seconds.
• To count from 1 to 28,301,284,720 would take you about one thousand, seven hundred ninety-nine 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 28301284720 cubic inches would be around 254 feet tall.

Recreational maths with 28301284720

• 28301284720 backwards is 02748210382
• The number of decimal digits it has is: 11
• The sum of 28301284720's digits is 37
• More coming soon!