1989907920
1,989,907,920 is an even composite number composed of seven prime numbers multiplied together.
1989907920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 1989907920:
24 × 32 × 5 × 7 × 112 × 13 × 251
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 11 × 13 × 251)See below for interesting mathematical facts about the number 1989907920 from the Numbermatics database.
Names of 1989907920
- Cardinal: 1989907920 can be written as One billion, nine hundred eighty-nine million, nine hundred seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.98990792 × 109
Factors of 1989907920
Divisors of 1989907920
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 28 30 33 35 36 39 40 42 44 45 48 52 55 56 60 63 65 66 70 72 77 78 80 84 88 90 91 99 104 105 110 112 117 120 121 126 130 132 140 143 144 154 156 165 168 176 180 182 195 198 208 210 220 231 234 240 242 251 252 260 264 273 280 286 308 312 315 330 336 360 363 364 385 390 396 420 429 440 455 462 468 484 495 502 504 520 528 546 560 572 585 605 616 624 630 660 693 715 720 726 728 753 770 780 792 819 840 847 858 880 910 924 936 968 990 1001 1004 1008 1040 1089 1092 1144 1155 1170 1210 1232 1255 1260 1287 1320 1365 1386 1430 1452 1456 1506 1540 1560 1573 1584 1638 1680 1694 1716 1757 1815 1820 1848 1872 1936 1980 2002 2008 2145 2178 2184 2259 2288 2310 2340 2420 2510 2520 2541 2574 2640 2730 2761 2772 2860 2904 3003 3012 3080 3120 3146 3263 3276 3388 3432 3465 3514 3630 3640 3696 3765 3960 4004 4016 4095 4235 4290 4356 4368 4518 4620 4680 4719 4840 5005 5020 5040 5082 5148 5271 5445 5460 5522 5544 5720 5808 6006 6024 6160 6292 6435 6526 6552 6776 6864 6930 7028 7260 7280 7530 7623 7865 7920 8008 8190 8283 8470 8580 8712 8785 9009 9036 9240 9360 9438 9680 9789 10010 10040 10164 10296 10542 10890 10920 11011 11044 11088 11295 11440 12012 12048 12584 12705 12870 13052 13104 13552 13805 13860 14056 14157 14520 15015 15060 15246 15730 15813 16016 16315 16380 16566 16940 17160 17424 17570 18018 18072 18480 18876 19327 19578 20020 20080 20328 20592 21084 21780 21840 22022 22088 22590 22841 23595 24024 24849 25168 25410 25740 26104 26355 27610 27720 28112 28314 29040 29367 30030 30120 30371 30492 31460 31626 32630 32760 33033 33132 33880 34320 35140 35893 36036 36144 37752 38115 38654 39156 40040 40656 41415 42168 43560 44044 44176 45045 45180 45682 47190 48048 48945 49698 50820 51480 52208 52710 55055 55220 55440 56628 57981 58734 60060 60240 60742 60984 62920 63252 65260 65520 66066 66264 67760 68523 70280 70785 71786 72072 75504 76230 77308 78312 79065 80080 82830 84336 87120 88088 90090 90360 91113 91364 94380 96635 97890 99099 99396 101640 102960 105420 107679 110110 110440 113256 114205 115962 117468 120120 121484 121968 124245 125840 126504 130520 132132 132528 137046 140560 141570 143572 144144 146835 151855 152460 154616 156624 158130 165165 165660 173943 176176 179465 180180 180720 182226 182728 188760 193270 195780 198198 198792 203280 205569 210840 212597 215358 220220 220880 226512 228410 231924 234936 240240 242968 248490 251251 253008 261040 264264 273339 274092 283140 287144 289905 293670 303710 304920 309232 316260 323037 330330 331320 342615 347886 358930 360360 364452 365456 377520 386540 391560 394823 396396 397584 411138 421680 425194 430716 440440 455565 456820 463848 469872 485936 495495 496980 502502 528528 538395 546678 548184 566280 574288 579810 587340 607420 609840 632520 637791 646074 660660 662640 685230 695772 717860 720720 728904 753753 773080 783120 789646 792792 822276 850388 861432 869715 880880 911130 913640 927696 990990 993960 1005004 1027845 1062985 1076790 1093356 1096368 1132560 1159620 1174680 1184469 1214840 1256255 1265040 1275582 1292148 1321320 1366695 1370460 1391544 1435720 1457808 1507506 1546160 1579292 1585584 1615185 1644552 1700776 1722864 1739430 1822260 1827280 1913373 1974115 1981980 1987920 2010008 2055690 2125970 2153580 2186712 2261259 2319240 2349360 2368938 2429680 2512510 2551164 2584296 2642640 2733390 2740920 2763761 2783088 2871440 3015012 3158584 3188955 3230370 3289104 3401552 3478860 3553407 3644520 3768765 3826746 3948230 3963960 4020016 4111380 4251940 4307160 4373424 4522518 4638480 4737876 5025020 5102328 5168592 5466780 5481840 5527522 5922345 6030024 6317168 6377910 6460740 6957720 7106814 7289040 7537530 7653492 7896460 7927920 8222760 8291283 8503880 8614320 9045036 9475752 9566865 10050040 10204656 10933560 11055044 11306295 11844690 12060048 12755820 12921480 13818805 13915440 14213628 15075060 15306984 15792920 16445520 16582566 17007760 17767035 18090072 18951504 19133730 20100080 21867120 22110088 22612590 23689380 24873849 25511640 25842960 27637610 28427256 30150120 30613968 31585840 33165132 35534070 36180144 38267460 41456415 44220176 45225180 47378760 49747698 51023280 55275220 56854512 60300240 66330264 71068140 76534920 82912830 90450360 94757520 99495396 110550440 124369245 132660528 142136280 153069840 165825660 180900720 198990792 221100880 248738490 284272560 331651320 397981584 497476980 663302640 994953960 1989907920
- Sum of all divisors σ(n): 9076669056
- Sum of proper divisors (its aliquot sum) s(n): 7086761136
- 1989907920 is an abundant number, because the sum of its proper divisors (7086761136) is greater than itself. Its abundance is 5096853216
Bases of 1989907920
- Binary: 11101101001101110010101110100002
- Hexadecimal: 0x769B95D0
- Base-36: WWQMS0
Squares and roots of 1989907920
- 1989907920 squared (19899079202) is 3959733530078726400
- 1989907920 cubed (19899079203) is 7879505112593215886873088000
-
The
square root of 1989907920 is 44608.3839653489 -
The
cube root of 1989907920 is 1257.7982713343
Scales and comparisons
How big is 1989907920?- 1,989,907,920 seconds is equal to 63 years, 14 weeks, 1 day, 8 hours, 12 minutes.
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To count from 1 to 1,989,907,920 would take you about one hundred twenty-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 1989907920 cubic inches would be around 104.8 feet tall.
Recreational maths with 1989907920
- 1989907920 backwards is 0297099891
- The number of decimal digits it has is: 10
- The sum of 1989907920's digits is 54
- More coming soon!
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The information we have on file for 1989907920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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