28285638400

Names of 28285638400

• Cardinal: 28285638400 can be written as Twenty-eight billion, two hundred eighty-five million, six hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.82856384 × 10¹⁰

Factors of 28285638400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 672

Divisors of 28285638400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 59 64 80 100 118 128 160 173 200 236 256 295 320 346 400 433 472 590 640 692 800 865 866 944 1180 1280 1384 1475 1600 1730 1732 1888 2165 2360 2768 2950 3200 3460 3464 3776 4325 4330 4720 5536 5900 6400 6920 6928 7552 8650 8660 9440 10207 10825 11072 11800 13840 13856 15104 17300 17320 18880 20414 21650 22144 23600 25547 27680 27712 34600 34640 37760 40828 43300 44288 47200 51035 51094 55360 55424 69200 69280 74909 75520 81656 86600 94400 102070 102188 110720 110848 127735 138400 138560 149818 163312 173200 188800 204140 204376 221440 255175 255470 276800 277120 299636 326624 346400 374545 377600 408280 408752 510350 510940 553600 554240 599272 638675 653248 692800 749090 816560 817504 1020700 1021880 1107200 1198544 1277350 1306496 1385600 1498180 1633120 1635008 1872725 2041400 2043760 2397088 2554700 2612992 2771200 2996360 3266240 3270016 3745450 4082800 4087520 4419631 4794176 5109400 5992720 6532480 6540032 7490900 8165600 8175040 8839262 9588352 10218800 11985440 13064960 14981800 16331200 16350080 17678524 19176704 20437600 22098155 23970880 29963600 32662400 32700160 35357048 40875200 44196310 47941760 59927200 65324800 70714096 81750400 88392620 95883520 110490775 119854400 141428192 163500800 176785240 220981550 239708800 282856384 353570480 441963100 479417600 565712768 707140960 883926200 1131425536 1414281920 1767852400 2828563840 3535704800 5657127680 7071409600 14142819200 28285638400
• Sum of all divisors σ(n): 71774937360
• Sum of proper divisors (its aliquot sum) s(n): 43489298960
• 28285638400 is an abundant number, because the sum of its proper divisors (43489298960) is greater than itself. Its abundance is 15203660560

Bases of 28285638400

• Binary: 11010010101111101001001011100000000₂
• Hexadecimal: 0x695F49700
• Base-36: CZSJE9S

Squares and roots of 28285638400

• 28285638400 squared (28285638400²) is 800077339695554560000
• 28285638400 cubed (28285638400³) is 22630698322662422371631104000000
• The square root of 28285638400 is 168183.3475704419
• The cube root of 28285638400 is 3046.8798477801

Scales and comparisons

• 28,285,638,400 seconds is equal to 899 years, 20 weeks, 4 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 28,285,638,400 would take you about one thousand, seven hundred ninety-eight 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 28285638400 cubic inches would be around 253.9 feet tall.

Recreational maths with 28285638400

• 28285638400 backwards is 00483658282
• The number of decimal digits it has is: 11
• The sum of 28285638400's digits is 46
• More coming soon!