28938000
28,938,000 is an even composite number composed of six prime numbers multiplied together.
28938000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28938000:
24 × 3 × 53 × 7 × 13 × 53
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 7 × 13 × 53)See below for interesting mathematical facts about the number 28938000 from the Numbermatics database.
Names of 28938000
- Cardinal: 28938000 can be written as Twenty-eight million, nine hundred thirty-eight thousand.
Scientific notation
- Scientific notation: 2.8938 × 107
Factors of 28938000
Divisors of 28938000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 25 26 28 30 35 39 40 42 48 50 52 53 56 60 65 70 75 78 80 84 91 100 104 105 106 112 120 125 130 140 150 156 159 168 175 182 195 200 208 210 212 240 250 260 265 273 280 300 312 318 325 336 350 364 371 375 390 400 420 424 455 500 520 525 530 546 560 600 624 636 650 689 700 728 742 750 780 795 840 848 875 910 975 1000 1040 1050 1060 1092 1113 1200 1272 1300 1325 1365 1378 1400 1456 1484 1500 1560 1590 1625 1680 1750 1820 1855 1950 2000 2067 2100 2120 2184 2226 2275 2544 2600 2625 2650 2730 2756 2800 2968 3000 3120 3180 3250 3445 3500 3640 3710 3900 3975 4134 4200 4240 4368 4452 4550 4823 4875 5200 5250 5300 5460 5512 5565 5936 6000 6360 6500 6625 6825 6890 7000 7280 7420 7800 7950 8268 8400 8904 9100 9275 9646 9750 10335 10500 10600 10920 11024 11130 11375 12720 13000 13250 13650 13780 14000 14469 14840 15600 15900 16536 17225 17808 18200 18550 19292 19500 19875 20670 21000 21200 21840 22260 22750 24115 26000 26500 27300 27560 27825 28938 29680 31800 33072 34125 34450 36400 37100 38584 39000 39750 41340 42000 44520 45500 46375 48230 51675 53000 54600 55120 55650 57876 63600 68250 68900 72345 74200 77168 78000 79500 82680 86125 89040 91000 92750 96460 103350 106000 109200 111300 115752 120575 136500 137800 139125 144690 148400 159000 165360 172250 182000 185500 192920 206700 222600 231504 241150 258375 273000 275600 278250 289380 318000 344500 361725 371000 385840 413400 445200 482300 516750 546000 556500 578760 602875 689000 723450 742000 826800 964600 1033500 1113000 1157520 1205750 1378000 1446900 1808625 1929200 2067000 2226000 2411500 2893800 3617250 4134000 4823000 5787600 7234500 9646000 14469000 28938000
- Sum of all divisors σ(n): 116992512
- Sum of proper divisors (its aliquot sum) s(n): 88054512
- 28938000 is an abundant number, because the sum of its proper divisors (88054512) is greater than itself. Its abundance is 59116512
Bases of 28938000
- Binary: 11011100110001111000100002
- Hexadecimal: 0x1B98F10
- Base-36: H88PC
Squares and roots of 28938000
- 28938000 squared (289380002) is 837407844000000
- 28938000 cubed (289380003) is 24232908189672000000000
-
The
square root of 28938000 is 5379.4051715779 -
The
cube root of 28938000 is 307.0125796357
Scales and comparisons
How big is 28938000?- 28,938,000 seconds is equal to 47 weeks, 5 days, 22 hours, 20 minutes.
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To count from 1 to 28,938,000 would take you about nineteen 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 28938000 cubic inches would be around 25.6 feet tall.
Recreational maths with 28938000
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