28999320
28,999,320 is an even composite number composed of seven prime numbers multiplied together.
28999320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 28999320:
23 × 3 × 5 × 7 × 19 × 23 × 79
(2 × 2 × 2 × 3 × 5 × 7 × 19 × 23 × 79)See below for interesting mathematical facts about the number 28999320 from the Numbermatics database.
Names of 28999320
- Cardinal: 28999320 can be written as Twenty-eight million, nine hundred ninety-nine thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.899932 × 107
Factors of 28999320
Divisors of 28999320
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 23 24 28 30 35 38 40 42 46 56 57 60 69 70 76 79 84 92 95 105 114 115 120 133 138 140 152 158 161 168 184 190 210 228 230 237 266 276 280 285 316 322 345 380 395 399 420 437 456 460 474 483 532 552 553 570 632 644 665 690 760 790 798 805 840 874 920 948 966 1064 1106 1140 1185 1288 1311 1330 1380 1501 1580 1596 1610 1659 1748 1817 1896 1932 1995 2185 2212 2280 2370 2415 2622 2660 2760 2765 3002 3059 3160 3192 3220 3318 3496 3634 3864 3990 4370 4424 4503 4740 4830 5244 5320 5451 5530 6004 6118 6440 6555 6636 7268 7505 7980 8295 8740 9006 9085 9177 9480 9660 10488 10507 10902 11060 12008 12236 12719 13110 13272 14536 15010 15295 15960 16590 17480 18012 18170 18354 19320 21014 21804 22120 22515 24472 25438 26220 27255 30020 30590 31521 33180 34523 36024 36340 36708 38157 42028 43608 45030 45885 50876 52440 52535 54510 60040 61180 63042 63595 66360 69046 72680 73416 76314 84056 90060 91770 101752 103569 105070 109020 122360 126084 127190 138092 152628 157605 172615 180120 183540 190785 207138 210140 218040 241661 252168 254380 276184 305256 315210 345230 367080 381570 414276 420280 483322 508760 517845 630420 690460 724983 763140 828552 966644 1035690 1208305 1260840 1380920 1449966 1526280 1933288 2071380 2416610 2899932 3624915 4142760 4833220 5799864 7249830 9666440 14499660 28999320
- Sum of all divisors σ(n): 110592000
- Sum of proper divisors (its aliquot sum) s(n): 81592680
- 28999320 is an abundant number, because the sum of its proper divisors (81592680) is greater than itself. Its abundance is 52593360
Bases of 28999320
- Binary: 11011101001111110100110002
- Hexadecimal: 0x1BA7E98
- Base-36: H9K0O
Squares and roots of 28999320
- 28999320 squared (289993202) is 840960560462400
- 28999320 cubed (289993203) is 24387284400228485568000
-
The
square root of 28999320 is 5385.1016703495 -
The
cube root of 28999320 is 307.2292811987
Scales and comparisons
How big is 28999320?- 28,999,320 seconds is equal to 47 weeks, 6 days, 15 hours, 22 minutes.
-
To count from 1 to 28,999,320 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 28999320 cubic inches would be around 25.6 feet tall.
Recreational maths with 28999320
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