28489724720
28,489,724,720 is an even composite number composed of six prime numbers multiplied together.
28489724720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 28489724720:
24 × 5 × 17 × 37 × 257 × 2203
(2 × 2 × 2 × 2 × 5 × 17 × 37 × 257 × 2203)See below for interesting mathematical facts about the number 28489724720 from the Numbermatics database.
Names of 28489724720
- Cardinal: 28489724720 can be written as Twenty-eight billion, four hundred eighty-nine million, seven hundred twenty-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.848972472 × 1010
Factors of 28489724720
Divisors of 28489724720
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 37 40 68 74 80 85 136 148 170 185 257 272 296 340 370 514 592 629 680 740 1028 1258 1285 1360 1480 2056 2203 2516 2570 2960 3145 4112 4369 4406 5032 5140 6290 8738 8812 9509 10064 10280 11015 12580 17476 17624 19018 20560 21845 22030 25160 34952 35248 37451 38036 43690 44060 47545 50320 69904 74902 76072 81511 87380 88120 95090 149804 152144 161653 163022 174760 176240 187255 190180 299608 323306 326044 349520 374510 380360 407555 566171 599216 646612 652088 749020 760720 808265 815110 1132342 1293224 1304176 1385687 1498040 1616530 1630220 2264684 2586448 2771374 2830855 2996080 3233060 3260440 4529368 5542748 5661710 6466120 6520880 6928435 9058736 9624907 11085496 11323420 12932240 13856870 19249814 20948327 22170992 22646840 27713740 38499628 41896654 45293680 48124535 55427480 76999256 83793308 96249070 104741635 110854960 153998512 167586616 192498140 209483270 335173232 356121559 384996280 418966540 712243118 769992560 837933080 1424486236 1675866160 1780607795 2848972472 3561215590 5697944944 7122431180 14244862360 28489724720
- Sum of all divisors σ(n): 72343637568
- Sum of proper divisors (its aliquot sum) s(n): 43853912848
- 28489724720 is an abundant number, because the sum of its proper divisors (43853912848) is greater than itself. Its abundance is 15364188128
Bases of 28489724720
- Binary: 110101000100001111010110011001100002
- Hexadecimal: 0x6A21EB330
- Base-36: D361OA8
Squares and roots of 28489724720
- 28489724720 squared (284897247202) is 811664414621379078400
- 28489724720 cubed (284897247203) is 23124095737583032970383298048000
-
The
square root of 28489724720 is 168788.9946649367 -
The
cube root of 28489724720 is 3054.1902352441
Scales and comparisons
How big is 28489724720?- 28,489,724,720 seconds is equal to 905 years, 46 weeks, 4 hours, 25 minutes, 20 seconds.
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To count from 1 to 28,489,724,720 would take you about one thousand, eight hundred eleven 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 28489724720 cubic inches would be around 254.5 feet tall.
Recreational maths with 28489724720
- 28489724720 backwards is 02742798482
- The number of decimal digits it has is: 11
- The sum of 28489724720's digits is 53
- More coming soon!
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