28056240

Names of 28056240

• Cardinal: 28056240 can be written as Twenty-eight million, fifty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.805624 × 10⁷

Factors of 28056240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460

Divisors of 28056240

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 90 93 108 120 124 135 144 155 180 186 216 240 248 270 279 310 360 372 419 432 465 496 540 558 620 720 744 837 838 930 1080 1116 1240 1257 1395 1488 1674 1676 1860 2095 2160 2232 2480 2514 2790 3348 3352 3720 3771 4185 4190 4464 5028 5580 6285 6696 6704 7440 7542 8370 8380 10056 11160 11313 12570 12989 13392 15084 16740 16760 18855 20112 22320 22626 25140 25978 30168 33480 33520 37710 38967 45252 50280 51956 56565 60336 64945 66960 75420 77934 90504 100560 103912 113130 116901 129890 150840 155868 181008 194835 207824 226260 233802 259780 301680 311736 350703 389670 452520 467604 519560 584505 623472 701406 779340 905040 935208 1039120 1169010 1402812 1558680 1753515 1870416 2338020 2805624 3117360 3507030 4676040 5611248 7014060 9352080 14028120 28056240
• Sum of all divisors σ(n): 99993600
• Sum of proper divisors (its aliquot sum) s(n): 71937360
• 28056240 is an abundant number, because the sum of its proper divisors (71937360) is greater than itself. Its abundance is 43881120

Bases of 28056240

• Binary: 1101011000001101010110000₂
• Hexadecimal: 0x1AC1AB0
• Base-36: GPCC0

Squares and roots of 28056240

• 28056240 squared (28056240²) is 787152602937600
• 28056240 cubed (28056240³) is 22084542344642010624000
• The square root of 28056240 is 5296.8141368185
• The cube root of 28056240 is 303.8620680821

Scales and comparisons

• 28,056,240 seconds is equal to 46 weeks, 2 days, 17 hours, 24 minutes.
• To count from 1 to 28,056,240 would take you about seventeen weeks!

  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 28056240 cubic inches would be around 25.3 feet tall.

Recreational maths with 28056240

• 28056240 backwards is 04265082
• 28056240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28056240's digits is 27
• More coming soon!