28321162870

Names of 28321162870

• Cardinal: 28321162870 can be written as Twenty-eight billion, three hundred twenty-one million, one hundred sixty-two thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 2.832116287 × 10¹⁰

Factors of 28321162870

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 687

Divisors of 28321162870

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 26 35 41 55 65 70 77 82 91 110 130 143 151 154 182 205 286 287 302 385 410 451 455 457 533 574 715 755 770 902 910 914 1001 1057 1066 1430 1435 1510 1661 1963 2002 2114 2255 2285 2665 2870 3157 3199 3322 3731 3926 4510 4570 5005 5027 5285 5330 5863 5941 6191 6314 6398 7462 8305 9815 10010 10054 10570 11627 11726 11882 12382 13741 15785 15995 16610 18655 18737 19630 21593 23254 25135 27482 29315 29705 30955 31570 31990 35189 37310 37474 41041 41587 43186 43337 50270 58135 58630 59410 61910 65351 68101 68705 69007 70378 80483 82082 83174 86674 93685 107965 116270 130702 131159 136202 137410 138014 151151 160966 175945 187370 205205 206107 207935 215930 216685 243581 262318 302302 326755 340505 345035 351890 402415 410410 412214 415870 433370 457457 476707 483049 487162 563381 653510 655795 681010 690070 755755 759077 804830 885313 897091 914914 953414 966098 1030535 1126762 1217905 1311590 1442749 1511510 1518154 1705067 1770626 1794182 2061070 2287285 2383535 2415245 2435810 2679391 2816905 2829287 2885498 3410134 3795385 4426565 4485455 4574570 4767070 4830490 5313539 5358782 5633810 5658574 6197191 6279637 7213745 7590770 8525335 8853130 8970910 9868001 10627078 12394382 12559274 13396955 14146435 14427490 17050670 18755737 19736002 19805009 26567695 26793910 28292870 30985955 31122157 31398185 36780731 37511474 39610018 49340005 53135390 61971910 62244314 62796370 69076007 73561462 93778685 98680010 99025045 138152014 155610785 183903655 187557370 198050090 217855099 257465117 311221570 345380035 367807310 404588041 435710198 514930234 690760070 809176082 1089275495 1287325585 2022940205 2178550990 2574651170 2832116287 4045880410 5664232574 14160581435 28321162870
• Sum of all divisors σ(n): 70734311424
• Sum of proper divisors (its aliquot sum) s(n): 42413148554
• 28321162870 is an abundant number, because the sum of its proper divisors (42413148554) is greater than itself. Its abundance is 14091985684

Bases of 28321162870

• Binary: 11010011000000100101010011001110110₂
• Hexadecimal: 0x69812A676
• Base-36: D0DOT4M

Squares and roots of 28321162870

• 28321162870 squared (28321162870²) is 802088266309066636900
• 28321162870 cubed (28321162870³) is 22716072426255009981328051903000
• The square root of 28321162870 is 168288.9267599031
• The cube root of 28321162870 is 3048.1548588977

Scales and comparisons

• 28,321,162,870 seconds is equal to 900 years, 27 weeks, 2 days, 5 hours, 41 minutes, 10 seconds.
• To count from 1 to 28,321,162,870 would take you about one thousand, eight hundred 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 28321162870 cubic inches would be around 254 feet tall.

Recreational maths with 28321162870

• 28321162870 backwards is 07826112382
• The number of decimal digits it has is: 11
• The sum of 28321162870's digits is 40
• More coming soon!