728143200
728,143,200 is an even composite number composed of five prime numbers multiplied together.
728143200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 728143200:
25 × 32 × 52 × 23 × 4397
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 23 × 4397)See below for interesting mathematical facts about the number 728143200 from the Numbermatics database.
Names of 728143200
- Cardinal: 728143200 can be written as Seven hundred twenty-eight million, one hundred forty-three thousand, two hundred.
Scientific notation
- Scientific notation: 7.281432 × 108
Factors of 728143200
Divisors of 728143200
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 25 30 32 36 40 45 46 48 50 60 69 72 75 80 90 92 96 100 115 120 138 144 150 160 180 184 200 207 225 230 240 276 288 300 345 360 368 400 414 450 460 480 552 575 600 690 720 736 800 828 900 920 1035 1104 1150 1200 1380 1440 1656 1725 1800 1840 2070 2208 2300 2400 2760 3312 3450 3600 3680 4140 4397 4600 5175 5520 6624 6900 7200 8280 8794 9200 10350 11040 13191 13800 16560 17588 18400 20700 21985 26382 27600 33120 35176 39573 41400 43970 52764 55200 65955 70352 79146 82800 87940 101131 105528 109925 131910 140704 158292 165600 175880 197865 202262 211056 219850 263820 303393 316584 329775 351760 395730 404524 422112 439700 505655 527640 606786 633168 659550 703520 791460 809048 879400 910179 989325 1011310 1055280 1213572 1266336 1319100 1516965 1582920 1618096 1758800 1820358 1978650 2022620 2110560 2427144 2528275 2638200 3033930 3165840 3236192 3517600 3640716 3957300 4045240 4550895 4854288 5056550 5276400 6067860 6331680 7281432 7584825 7914600 8090480 9101790 9708576 10113100 10552800 12135720 14562864 15169650 15829200 16180960 18203580 20226200 22754475 24271440 29125728 30339300 31658400 36407160 40452400 45508950 48542880 60678600 72814320 80904800 91017900 121357200 145628640 182035800 242714400 364071600 728143200
- Sum of all divisors σ(n): 2679859728
- Sum of proper divisors (its aliquot sum) s(n): 1951716528
- 728143200 is an abundant number, because the sum of its proper divisors (1951716528) is greater than itself. Its abundance is 1223573328
Bases of 728143200
- Binary: 1010110110011010010101011000002
- Hexadecimal: 0x2B669560
- Base-36: C1IMW0
Squares and roots of 728143200
- 728143200 squared (7281432002) is 530192519706240000
- 728143200 cubed (7281432003) is 386056077914964653568000000
-
The
square root of 728143200 is 26984.1286685341 -
The
cube root of 728143200 is 899.6472691821
Scales and comparisons
How big is 728143200?- 728,143,200 seconds is equal to 23 years, 7 weeks, 6 days, 14 hours.
-
To count from 1 to 728,143,200 would take you about thirty-four 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 728143200 cubic inches would be around 75 feet tall.
Recreational maths with 728143200
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