20942988640
20,942,988,640 is an even composite number composed of seven prime numbers multiplied together.
20942988640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20942988640:
25 × 5 × 7 × 19 × 37 × 67 × 397
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 37 × 67 × 397)See below for interesting mathematical facts about the number 20942988640 from the Numbermatics database.
Names of 20942988640
- Cardinal: 20942988640 can be written as Twenty billion, nine hundred forty-two million, nine hundred eighty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.094298864 × 1010
Factors of 20942988640
Divisors of 20942988640
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 37 38 40 56 67 70 74 76 80 95 112 133 134 140 148 152 160 185 190 224 259 266 268 280 296 304 335 370 380 397 469 518 532 536 560 592 608 665 670 703 740 760 794 938 1036 1064 1072 1120 1184 1273 1295 1330 1340 1406 1480 1520 1588 1876 1985 2072 2128 2144 2345 2479 2546 2590 2660 2680 2779 2812 2960 3040 3176 3515 3752 3970 4144 4256 4690 4921 4958 5092 5180 5320 5360 5558 5624 5920 6352 6365 7030 7504 7543 7940 8288 8911 9380 9842 9916 10184 10360 10640 10720 11116 11248 12395 12704 12730 13895 14060 14689 15008 15086 15880 17353 17822 18760 19684 19832 20368 20720 21280 22232 22496 24605 24790 25460 26599 27790 28120 29378 30172 31760 34706 35644 37520 37715 39368 39664 40736 41440 44464 44555 47101 49210 49580 50920 52801 53198 55580 56240 58756 60344 63520 69412 71288 73445 75040 75430 78736 79328 86765 88928 89110 94202 98420 99160 101840 102823 105602 106396 111160 112480 117512 120688 132995 138824 142576 146890 150860 157472 173530 178220 186193 188404 196840 198320 203680 205646 211204 212792 222320 235024 235505 241376 264005 265990 277648 279091 285152 293780 301720 329707 347060 356440 372386 376808 393680 396640 411292 422408 425584 444640 470048 471010 505381 514115 528010 531980 555296 558182 587560 603440 659414 694120 712880 744772 753616 787360 822584 844816 851168 930965 942020 984163 1010762 1028230 1056020 1063960 1116364 1175120 1206880 1318828 1388240 1395455 1425760 1489544 1507232 1645168 1648535 1689632 1861930 1884040 1953637 1968326 2021524 2056460 2112040 2127920 2232728 2350240 2526905 2637656 2776480 2790910 2979088 3290336 3297070 3537667 3723860 3768080 3907274 3936652 4043048 4112920 4224080 4255840 4465456 4920815 5053810 5275312 5581820 5958176 6594140 6889141 7075334 7447720 7536160 7814548 7873304 8086096 8225840 8448160 8930912 9768185 9841630 10107620 10550624 11163640 13188280 13778282 14150668 14895440 15629096 15746608 16172192 16451680 17688335 18699097 19536370 19683260 20215240 22327280 26376560 27556564 28301336 29790880 31258192 31493216 34445705 35376670 37398194 39072740 39366520 40430480 44654560 52753120 55113128 56602672 62516384 68891410 70753340 74796388 78145480 78733040 80860960 93495485 110226256 113205344 130893679 137782820 141506680 149592776 156290960 157466080 186990970 220452512 261787358 275565640 283013360 299185552 312581920 373981940 523574716 551131280 566026720 598371104 654468395 747963880 1047149432 1102262560 1308936790 1495927760 2094298864 2617873580 2991855520 4188597728 5235747160 10471494320 20942988640
- Sum of all divisors σ(n): 62199567360
- Sum of proper divisors (its aliquot sum) s(n): 41256578720
- 20942988640 is an abundant number, because the sum of its proper divisors (41256578720) is greater than itself. Its abundance is 20313590080
Bases of 20942988640
- Binary: 100111000000100110010100101011000002
- Hexadecimal: 0x4E04CA560
- Base-36: 9MCWXGG
Squares and roots of 20942988640
- 20942988640 squared (209429886402) is 438608773175169049600
- 20942988640 cubed (209429886403) is 9185778554011902135852396544000
-
The
square root of 20942988640 is 144716.9258932763 -
The
cube root of 20942988640 is 2756.4252466529
Scales and comparisons
How big is 20942988640?- 20,942,988,640 seconds is equal to 665 years, 47 weeks, 6 days, 16 hours, 50 minutes, 40 seconds.
-
To count from 1 to 20,942,988,640 would take you about one thousand, three hundred thirty-one 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 20942988640 cubic inches would be around 229.7 feet tall.
Recreational maths with 20942988640
- 20942988640 backwards is 04688924902
- The number of decimal digits it has is: 11
- The sum of 20942988640's digits is 52
- More coming soon!
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