389689920
389,689,920 is an even composite number composed of six prime numbers multiplied together.
389689920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 389689920:
26 × 33 × 5 × 23 × 37 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 23 × 37 × 53)See below for interesting mathematical facts about the number 389689920 from the Numbermatics database.
Names of 389689920
- Cardinal: 389689920 can be written as Three hundred eighty-nine million, six hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.8968992 × 108
Factors of 389689920
Divisors of 389689920
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 32 36 37 40 45 46 48 53 54 60 64 69 72 74 80 90 92 96 106 108 111 115 120 135 138 144 148 159 160 180 184 185 192 207 212 216 222 230 240 265 270 276 288 296 318 320 333 345 360 368 370 414 424 432 444 460 477 480 530 540 552 555 576 592 621 636 666 690 720 736 740 795 828 848 851 864 888 920 954 960 999 1035 1060 1080 1104 1110 1184 1219 1242 1272 1332 1380 1431 1440 1472 1480 1590 1656 1665 1696 1702 1728 1776 1840 1908 1961 1998 2070 2120 2160 2208 2220 2368 2385 2438 2484 2544 2553 2664 2760 2862 2880 2960 3105 3180 3312 3330 3392 3404 3552 3657 3680 3816 3922 3996 4140 4240 4255 4320 4416 4440 4770 4876 4968 4995 5088 5106 5328 5520 5724 5883 5920 6095 6210 6360 6624 6660 6808 7104 7155 7314 7360 7632 7659 7844 7992 8280 8480 8510 8640 8880 9540 9752 9805 9936 9990 10176 10212 10656 10971 11040 11448 11766 11840 12190 12420 12720 12765 13248 13320 13616 14310 14628 15264 15318 15688 15984 16560 16960 17020 17649 17760 18285 19080 19504 19610 19872 19980 20424 21312 21942 22080 22896 22977 23532 24380 24840 25440 25530 26640 27232 28620 29256 29415 30528 30636 31376 31968 32913 33120 34040 35298 35520 36570 38160 38295 39008 39220 39744 39960 40848 43884 45103 45792 45954 47064 48760 49680 50880 51060 52947 53280 54464 54855 57240 58512 58830 61272 62752 63936 65826 66240 68080 70596 73140 76320 76590 78016 78440 79920 81696 87768 88245 90206 91584 91908 94128 97520 99360 102120 105894 106560 109710 114480 114885 117024 117660 122544 125504 131652 135309 136160 141192 146280 152640 153180 156880 159840 163392 164565 175536 176490 180412 183816 188256 195040 198720 204240 211788 219420 225515 228960 229770 234048 235320 245088 263304 264735 270618 272320 282384 292560 306360 313760 319680 329130 351072 352980 360824 367632 376512 390080 405927 408480 423576 438840 451030 457920 459540 470640 490176 526608 529470 541236 564768 585120 612720 627520 658260 676545 702144 705960 721648 735264 811854 816960 847152 877680 902060 919080 941280 1053216 1058940 1082472 1129536 1170240 1217781 1225440 1316520 1353090 1411920 1443296 1470528 1623708 1694304 1755360 1804120 1838160 1882560 2029635 2106432 2117880 2164944 2435562 2450880 2633040 2706180 2823840 2886592 3247416 3388608 3510720 3608240 3676320 4059270 4235760 4329888 4871124 5266080 5412360 5647680 6088905 6494832 7216480 7352640 8118540 8471520 8659776 9742248 10532160 10824720 12177810 12989664 14432960 16237080 16943040 19484496 21649440 24355620 25979328 32474160 38968992 43298880 48711240 64948320 77937984 97422480 129896640 194844960 389689920
- Sum of all divisors σ(n): 1501079040
- Sum of proper divisors (its aliquot sum) s(n): 1111389120
- 389689920 is an abundant number, because the sum of its proper divisors (1111389120) is greater than itself. Its abundance is 721699200
Bases of 389689920
- Binary: 101110011101000110010010000002
- Hexadecimal: 0x173A3240
- Base-36: 6G0EO0
Squares and roots of 389689920
- 389689920 squared (3896899202) is 151858233749606400
- 389689920 cubed (3896899203) is 59177622961225418047488000
-
The
square root of 389689920 is 19740.5653414487 -
The
cube root of 389689920 is 730.4206745279
Scales and comparisons
How big is 389689920?- 389,689,920 seconds is equal to 12 years, 20 weeks, 2 days, 7 hours, 12 minutes.
-
To count from 1 to 389,689,920 would take you about eighteen 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 389689920 cubic inches would be around 60.9 feet tall.
Recreational maths with 389689920
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