28401582825

Names of 28401582825

• Cardinal: 28401582825 can be written as Twenty-eight billion, four hundred one million, five hundred eighty-two thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 2.8401582825 × 10¹⁰

Factors of 28401582825

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 626

Divisors of 28401582825

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 27 29 33 35 45 55 63 75 77 81 87 99 105 121 135 145 165 175 189 203 225 231 261 275 297 315 319 363 385 405 435 495 525 567 571 605 609 675 693 725 783 825 847 891 945 957 1015 1089 1155 1305 1485 1575 1595 1713 1815 1827 1925 2025 2079 2175 2233 2349 2475 2541 2835 2855 2871 3025 3045 3267 3465 3509 3915 3997 4235 4455 4725 4785 5075 5139 5445 5481 5775 6237 6281 6525 6699 7425 7623 7975 8565 8613 9075 9135 9801 10395 10527 11165 11745 11991 12705 14175 14275 14355 15225 15417 16335 16443 16559 17325 17545 18843 19575 19985 20097 21175 22275 22869 23925 24563 25695 25839 27225 27405 31185 31405 31581 33495 35973 38115 42825 43065 43967 45675 46251 49005 49677 51975 52635 55825 56529 58725 59955 60291 63525 68607 69091 71775 73689 77085 81675 82215 82795 87725 94215 94743 99925 100485 107919 114345 115913 122815 128475 129195 131901 137025 149031 155925 157025 157905 167475 169587 179865 180873 182149 190575 207273 215325 219835 221067 231255 245025 248385 263175 282645 284229 299775 301455 323757 343035 345455 347739 368445 385425 395703 411075 413975 447093 471075 473715 483637 502425 508761 539595 546447 571725 579565 614075 621819 645975 659505 663201 745155 789525 847935 899325 904365 910745 1036365 1043217 1099175 1105335 1156275 1187109 1241925 1275043 1341279 1413225 1421145 1450911 1507275 1618785 1639341 1715175 1727275 1738695 1842225 1865457 1978515 1989603 2003639 2235465 2368575 2418185 2543805 2697975 2732235 2897825 3109095 3129651 3297525 3316005 3561327 3725775 3825129 4239675 4352733 4521825 4553725 4918023 5181825 5216085 5526675 5596371 5935545 6010917 6375215 6706395 7105725 7254555 8093925 8196705 8693475 9327285 9388953 9892575 9948015 10018195 11177325 11475387 12090925 12719025 13058199 13661175 14025473 14754069 15545475 15648255 16580025 17806635 18032751 19125645 21763665 24590115 26080425 27981855 29677725 30054585 31876075 33531975 34426161 36272775 39174597 40983525 42076419 46636425 46944765 49740075 50090975 54098253 57376935 65290995 70127365 73770345 78241275 89033175 90163755 95628225 103278483 108818325 122950575 126229257 139909275 150272925 162294759 172130805 195872985 210382095 234723825 270491265 286884675 326454975 350636825 368851725 378687771 450818775 516392415 631146285 811473795 860654025 979364925 1051910475 1136063313 1352456325 1893438855 2581962075 3155731425 4057368975 5680316565 9467194275 28401582825
• Sum of all divisors σ(n): 68486658240
• Sum of proper divisors (its aliquot sum) s(n): 40085075415
• 28401582825 is an abundant number, because the sum of its proper divisors (40085075415) is greater than itself. Its abundance is 11683492590

Bases of 28401582825

• Binary: 11010011100110111011100001011101001₂
• Hexadecimal: 0x69CDDC2E9
• Base-36: D1PKHK9

Squares and roots of 28401582825

• 28401582825 squared (28401582825²) is 806649906965334980625
• 28401582825 cubed (28401582825³) is 22910134143454505856090707765625
• The square root of 28401582825 is 168527.6915672911
• The cube root of 28401582825 is 3051.0372831277

Scales and comparisons

• 28,401,582,825 seconds is equal to 903 years, 4 weeks, 2 days, 33 minutes, 45 seconds.
• To count from 1 to 28,401,582,825 would take you about one thousand, eight hundred six 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 28401582825 cubic inches would be around 254.3 feet tall.

Recreational maths with 28401582825

• 28401582825 backwards is 52828510482
• 28401582825 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28401582825's digits is 45
• More coming soon!