28055870640

Names of 28055870640

• Cardinal: 28055870640 can be written as Twenty-eight billion, fifty-five million, eight hundred seventy thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.805587064 × 10¹⁰

Factors of 28055870640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3365

Divisors of 28055870640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 84 90 105 108 112 120 126 135 140 144 168 180 189 210 216 240 252 270 280 315 336 360 378 420 432 504 540 560 630 701 720 756 840 945 1008 1080 1260 1402 1512 1680 1890 2103 2160 2520 2647 2804 3024 3505 3780 4206 4907 5040 5294 5608 6309 7010 7560 7941 8412 9814 10515 10588 11216 12618 13235 14020 14721 15120 15882 16824 18529 18927 19628 21030 21176 23823 24535 25236 26470 28040 29442 31545 31764 33648 37058 37854 39256 39705 42060 42352 44163 47646 49070 50472 52940 55587 56080 58884 63090 63528 71469 73605 74116 75708 78512 79410 84120 88326 92645 94635 95292 98140 100944 105880 111174 117768 119115 126180 127056 132489 142938 147210 148232 151416 158820 166761 168240 176652 185290 189270 190584 196280 211760 220815 222348 235536 238230 252360 264978 277935 285876 294420 296464 302832 317640 333522 353304 357345 370580 378540 381168 392560 441630 444696 476460 500283 504720 529956 555870 571752 588840 635280 662445 667044 706608 714690 741160 757080 833805 883260 889392 952920 1000566 1059912 1111740 1143504 1177680 1324890 1334088 1429380 1482320 1514160 1667610 1766520 1855547 1905840 2001132 2119824 2223480 2501415 2649780 2668176 2858760 3335220 3533040 3711094 4002264 4446960 5002830 5299560 5566641 5717520 6670440 7422188 8004528 9277735 10005660 10599120 11133282 12988829 13340880 14844376 16699923 18555470 20011320 22266564 25977658 27833205 29688752 33399846 37110940 38966487 40022640 44533128 50099769 51955316 55666410 64944145 66799692 74221880 77932974 83499615 89066256 100199538 103910632 111332820 116899461 129888290 133599384 148443760 155865948 166999230 194832435 200399076 207821264 222665640 233798922 250498845 259776580 267198768 311731896 333998460 350698383 389664870 400798152 445331280 467597844 500997690 519553160 584497305 623463792 667996920 701396766 779329740 801596304 935195688 1001995380 1039106320 1168994610 1335993840 1402793532 1558659480 1753491915 1870391376 2003990760 2337989220 2805587064 3117318960 3506983830 4007981520 4675978440 5611174128 7013967660 9351956880 14027935320 28055870640
• Sum of all divisors σ(n): 110641489920
• Sum of proper divisors (its aliquot sum) s(n): 82585619280
• 28055870640 is an abundant number, because the sum of its proper divisors (82585619280) is greater than itself. Its abundance is 54529748640

Bases of 28055870640

• Binary: 11010001000010000101001110010110000₂
• Hexadecimal: 0x688429CB0
• Base-36: CVZQOC0

Squares and roots of 28055870640

• 28055870640 squared (28055870640²) is 787131877368414009600
• 28055870640 cubed (28055870640³) is 22083670128068567075301318144000
• The square root of 28055870640 is 167498.8675782615
• The cube root of 28055870640 is 3038.6073462967

Scales and comparisons

• 28,055,870,640 seconds is equal to 892 years, 4 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 28,055,870,640 would take you about one thousand, seven hundred eighty-four 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 28055870640 cubic inches would be around 253.2 feet tall.

Recreational maths with 28055870640

• 28055870640 backwards is 04607855082
• 28055870640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28055870640's digits is 45
• More coming soon!