129697920
129,697,920 is an even composite number composed of six prime numbers multiplied together.
129697920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 129697920:
27 × 32 × 5 × 11 × 23 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 23 × 89)See below for interesting mathematical facts about the number 129697920 from the Numbermatics database.
Names of 129697920
- Cardinal: 129697920 can be written as One hundred twenty-nine million, six hundred ninety-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2969792 × 108
Factors of 129697920
Divisors of 129697920
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 23 24 30 32 33 36 40 44 45 46 48 55 60 64 66 69 72 80 88 89 90 92 96 99 110 115 120 128 132 138 144 160 165 176 178 180 184 192 198 207 220 230 240 253 264 267 276 288 320 330 345 352 356 360 368 384 396 414 440 445 460 480 495 506 528 534 552 576 640 660 690 704 712 720 736 759 792 801 828 880 890 920 960 979 990 1012 1035 1056 1068 1104 1152 1265 1320 1335 1380 1408 1424 1440 1472 1518 1584 1602 1656 1760 1780 1840 1920 1958 1980 2024 2047 2070 2112 2136 2208 2277 2530 2640 2670 2760 2848 2880 2937 2944 3036 3168 3204 3312 3520 3560 3680 3795 3916 3960 4005 4048 4094 4140 4224 4272 4416 4554 4895 5060 5280 5340 5520 5696 5760 5874 6072 6141 6336 6408 6624 7040 7120 7360 7590 7832 7920 8010 8096 8188 8280 8544 8811 8832 9108 9790 10120 10235 10560 10680 11040 11385 11392 11748 12144 12282 12672 12816 13248 14240 14685 14720 15180 15664 15840 16020 16192 16376 16560 17088 17622 18216 18423 19580 20240 20470 21120 21360 22080 22517 22770 23496 24288 24564 25632 26496 28480 29370 30360 30705 31328 31680 32040 32384 32752 33120 34176 35244 36432 36846 39160 40480 40940 42720 44055 44160 45034 45540 46992 48576 49128 51264 56960 58740 60720 61410 62656 63360 64080 65504 66240 67551 70488 72864 73692 78320 80960 81880 85440 88110 90068 91080 92115 93984 97152 98256 102528 112585 117480 121440 122820 125312 128160 131008 132480 135102 140976 145728 147384 156640 161920 163760 170880 176220 180136 182160 184230 187968 196512 202653 225170 234960 242880 245640 256320 262016 270204 281952 291456 294768 313280 327520 337755 352440 360272 364320 368460 375936 393024 405306 450340 469920 485760 491280 512640 540408 563904 589536 626560 655040 675510 704880 720544 728640 736920 786048 810612 900680 939840 982560 1013265 1080816 1127808 1179072 1310080 1351020 1409760 1441088 1457280 1473840 1621224 1801360 1879680 1965120 2026530 2161632 2358144 2702040 2819520 2882176 2947680 3242448 3602720 3930240 4053060 4323264 5404080 5639040 5895360 6484896 7205440 8106120 8646528 10808160 11790720 12969792 14410880 16212240 21616320 25939584 32424480 43232640 64848960 129697920
- Sum of all divisors σ(n): 515548800
- Sum of proper divisors (its aliquot sum) s(n): 385850880
- 129697920 is an abundant number, because the sum of its proper divisors (385850880) is greater than itself. Its abundance is 256152960
Bases of 129697920
- Binary: 1111011101100001000100000002
- Hexadecimal: 0x7BB0880
- Base-36: 257VK0
Squares and roots of 129697920
- 129697920 squared (1296979202) is 16821550452326400
- 129697920 cubed (1296979203) is 2181720104841793241088000
-
The
square root of 129697920 is 11388.4994621767 -
The
cube root of 129697920 is 506.1870191427
Scales and comparisons
How big is 129697920?- 129,697,920 seconds is equal to 4 years, 6 weeks, 3 days, 3 hours, 12 minutes.
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To count from 1 to 129,697,920 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 129697920 cubic inches would be around 42.2 feet tall.
Recreational maths with 129697920
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