28107840
28,107,840 is an even composite number composed of six prime numbers multiplied together.
28107840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 28107840:
26 × 3 × 5 × 19 × 23 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 19 × 23 × 67)See below for interesting mathematical facts about the number 28107840 from the Numbermatics database.
Names of 28107840
- Cardinal: 28107840 can be written as Twenty-eight million, one hundred seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.810784 × 107
Factors of 28107840
Divisors of 28107840
- Number of divisors d(n): 224
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 19 20 23 24 30 32 38 40 46 48 57 60 64 67 69 76 80 92 95 96 114 115 120 134 138 152 160 184 190 192 201 228 230 240 268 276 285 304 320 335 345 368 380 402 437 456 460 480 536 552 570 608 670 690 736 760 804 874 912 920 960 1005 1072 1104 1140 1216 1273 1311 1340 1380 1472 1520 1541 1608 1748 1824 1840 2010 2144 2185 2208 2280 2546 2622 2680 2760 3040 3082 3216 3496 3648 3680 3819 4020 4288 4370 4416 4560 4623 5092 5244 5360 5520 6080 6164 6365 6432 6555 6992 7360 7638 7705 8040 8740 9120 9246 10184 10488 10720 11040 12328 12730 12864 13110 13984 15276 15410 16080 17480 18240 18492 19095 20368 20976 21440 22080 23115 24656 25460 26220 27968 29279 30552 30820 32160 34960 36984 38190 40736 41952 46230 49312 50920 52440 58558 61104 61640 64320 69920 73968 76380 81472 83904 87837 92460 98624 101840 104880 117116 122208 123280 139840 146395 147936 152760 175674 184920 203680 209760 234232 244416 246560 292790 295872 305520 351348 369840 407360 419520 439185 468464 493120 585580 611040 702696 739680 878370 936928 1171160 1222080 1405392 1479360 1756740 1873856 2342320 2810784 3513480 4684640 5621568 7026960 9369280 14053920 28107840
- Sum of all divisors σ(n): 99486720
- Sum of proper divisors (its aliquot sum) s(n): 71378880
- 28107840 is an abundant number, because the sum of its proper divisors (71378880) is greater than itself. Its abundance is 43271040
Bases of 28107840
- Binary: 11010110011100100010000002
- Hexadecimal: 0x1ACE440
- Base-36: GQG5C
Squares and roots of 28107840
- 28107840 squared (281078402) is 790050669465600
- 28107840 cubed (281078403) is 22206617809231970304000
-
The
square root of 28107840 is 5301.6827517309 -
The
cube root of 28107840 is 304.0482379593
Scales and comparisons
How big is 28107840?- 28,107,840 seconds is equal to 46 weeks, 3 days, 7 hours, 44 minutes.
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To count from 1 to 28,107,840 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 28107840 cubic inches would be around 25.3 feet tall.
Recreational maths with 28107840
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