28198350720

Names of 28198350720

• Cardinal: 28198350720 can be written as Twenty-eight billion, one hundred ninety-eight million, three hundred fifty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.819835072 × 10¹⁰

Factors of 28198350720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2596

Divisors of 28198350720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1093 1152 1440 1493 1728 1920 2160 2186 2880 2986 3279 3456 4320 4372 4479 5465 5760 5972 6558 7465 8640 8744 8958 9837 10930 11944 13116 13437 14930 16395 17280 17488 17916 19674 21860 22395 23888 26232 26874 29511 29860 32790 34976 35832 39348 40311 43720 44790 47776 49185 52464 53748 59022 59720 65580 67185 69952 71664 78696 80622 87440 89580 95552 98370 104928 107496 118044 119440 131160 134370 139904 143328 147555 157392 161244 174880 179160 191104 196740 201555 209856 214992 236088 238880 262320 268740 286656 295110 314784 322488 349760 358320 393480 403110 419712 429984 472176 477760 524640 537480 573312 590220 629568 644976 699520 716640 786960 806220 859968 944352 955520 1049280 1074960 1180440 1259136 1289952 1433280 1573920 1612440 1631849 1719936 1888704 2098560 2149920 2360880 2579904 2866560 3147840 3224880 3263698 3777408 4299840 4721760 4895547 5159808 6295680 6449760 6527396 8159245 8599680 9443520 9791094 12899520 13054792 14686641 16318490 18887040 19582188 24477735 25799040 26109584 29373282 32636980 39164376 44059923 48955470 52219168 58746564 65273960 73433205 78328752 88119846 97910940 104438336 117493128 130547920 146866410 156657504 176239692 195821880 208876672 220299615 234986256 261095840 293732820 313315008 352479384 391643760 440599230 469972512 522191680 587465640 626630016 704958768 783287520 881198460 939945024 1044383360 1174931280 1409917536 1566575040 1762396920 1879890048 2349862560 2819835072 3133150080 3524793840 4699725120 5639670144 7049587680 9399450240 14099175360 28198350720
• Sum of all divisors σ(n): 100027483200
• Sum of proper divisors (its aliquot sum) s(n): 71829132480
• 28198350720 is an abundant number, because the sum of its proper divisors (71829132480) is greater than itself. Its abundance is 43630781760

Bases of 28198350720

• Binary: 11010010000110000001010111110000000₂
• Hexadecimal: 0x690C0AF80
• Base-36: CYCKIO0

Squares and roots of 28198350720

• 28198350720 squared (28198350720²) is 795146983328124518400
• 28198350720 cubed (28198350720³) is 22421833509836448009674293248000
• The square root of 28198350720 is 167923.6455059263
• The cube root of 28198350720 is 3043.7424592009

Scales and comparisons

• 28,198,350,720 seconds is equal to 896 years, 32 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 28,198,350,720 would take you about one thousand, seven hundred ninety-three 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 28198350720 cubic inches would be around 253.6 feet tall.

Recreational maths with 28198350720

• 28198350720 backwards is 02705389182
• 28198350720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28198350720's digits is 45
• More coming soon!