129928320
129,928,320 is an even composite number composed of five prime numbers multiplied together.
129928320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 129928320:
27 × 33 × 5 × 73 × 103
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 73 × 103)See below for interesting mathematical facts about the number 129928320 from the Numbermatics database.
Names of 129928320
- Cardinal: 129928320 can be written as One hundred twenty-nine million, nine hundred twenty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.2992832 × 108
Factors of 129928320
Divisors of 129928320
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 73 80 90 96 103 108 120 128 135 144 146 160 180 192 206 216 219 240 270 288 292 309 320 360 365 384 412 432 438 480 515 540 576 584 618 640 657 720 730 824 864 876 927 960 1030 1080 1095 1152 1168 1236 1314 1440 1460 1545 1648 1728 1752 1854 1920 1971 2060 2160 2190 2336 2472 2628 2781 2880 2920 3090 3285 3296 3456 3504 3708 3942 4120 4320 4380 4635 4672 4944 5256 5562 5760 5840 6180 6570 6592 7008 7416 7519 7884 8240 8640 8760 9270 9344 9855 9888 10512 11124 11680 12360 13140 13184 13905 14016 14832 15038 15768 16480 17280 17520 18540 19710 19776 21024 22248 22557 23360 24720 26280 27810 28032 29664 30076 31536 32960 35040 37080 37595 39420 39552 42048 44496 45114 46720 49440 52560 55620 59328 60152 63072 65920 67671 70080 74160 75190 78840 84096 88992 90228 98880 105120 111240 112785 118656 120304 126144 135342 140160 148320 150380 157680 177984 180456 197760 203013 210240 222480 225570 240608 252288 270684 296640 300760 315360 338355 355968 360912 406026 420480 444960 451140 481216 541368 593280 601520 630720 676710 721824 812052 889920 902280 962432 1015065 1082736 1203040 1261440 1353420 1443648 1624104 1779840 1804560 2030130 2165472 2406080 2706840 2887296 3248208 3609120 4060260 4330944 4812160 5413680 6496416 7218240 8120520 8661888 10827360 12992832 14436480 16241040 21654720 25985664 32482080 43309440 64964160 129928320
- Sum of all divisors σ(n): 470995200
- Sum of proper divisors (its aliquot sum) s(n): 341066880
- 129928320 is an abundant number, because the sum of its proper divisors (341066880) is greater than itself. Its abundance is 211138560
Bases of 129928320
- Binary: 1111011111010001100100000002
- Hexadecimal: 0x7BE8C80
- Base-36: 25CTC0
Squares and roots of 129928320
- 129928320 squared (1299283202) is 16881368338022400
- 129928320 cubed (1299283203) is 2193367827460442554368000
-
The
square root of 129928320 is 11398.6104416285 -
The
cube root of 129928320 is 506.4865780409
Scales and comparisons
How big is 129928320?- 129,928,320 seconds is equal to 4 years, 6 weeks, 5 days, 19 hours, 12 minutes.
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To count from 1 to 129,928,320 would take you about six 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 129928320 cubic inches would be around 42.2 feet tall.
Recreational maths with 129928320
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