20990247720
20,990,247,720 is an even composite number composed of eight prime numbers multiplied together.
20990247720 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 20990247720:
23 × 3 × 5 × 13 × 19 × 73 × 89 × 109
(2 × 2 × 2 × 3 × 5 × 13 × 19 × 73 × 89 × 109)See below for interesting mathematical facts about the number 20990247720 from the Numbermatics database.
Names of 20990247720
- Cardinal: 20990247720 can be written as Twenty billion, nine hundred ninety million, two hundred forty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.099024772 × 1010
Factors of 20990247720
Divisors of 20990247720
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 52 57 60 65 73 76 78 89 95 104 109 114 120 130 146 152 156 178 190 195 218 219 228 247 260 267 285 292 312 327 356 365 380 390 436 438 445 456 494 520 534 545 570 584 654 712 730 741 760 780 872 876 890 949 988 1068 1090 1095 1140 1157 1235 1308 1335 1387 1417 1460 1482 1560 1635 1691 1752 1780 1898 1976 2071 2136 2180 2190 2280 2314 2470 2616 2670 2774 2834 2847 2920 2964 3270 3382 3471 3560 3705 3796 4142 4161 4251 4360 4380 4628 4745 4940 5073 5340 5548 5668 5694 5785 5928 6213 6497 6540 6764 6935 6942 7085 7410 7592 7957 8284 8322 8455 8502 8760 9256 9490 9701 9880 10146 10355 10680 11096 11336 11388 11570 12426 12994 13080 13528 13870 13884 14170 14235 14820 15914 16568 16644 16910 17004 17355 18031 18980 19402 19491 20292 20710 20805 21255 21983 22776 23140 23871 24852 25365 25988 26923 27740 27768 28340 28470 29103 29640 31065 31828 32485 33288 33820 34008 34710 36062 37960 38804 38982 39785 40584 41420 41610 42510 43966 46280 47742 48505 49704 50730 51976 53846 54093 55480 56680 56940 58206 62130 63656 64970 65949 67640 69420 72124 77608 77964 79570 80769 82840 83220 84461 85020 87932 90155 95484 97010 97455 101460 103441 107692 108186 109915 113880 116412 119355 123443 124260 126113 129940 131898 134615 138840 144248 145515 151183 155928 159140 161538 166440 168922 170040 175864 180310 184319 190968 194020 194910 202920 206882 215384 216372 219830 232824 238710 246886 248520 252226 253383 259880 263796 269230 270465 291030 302366 310323 318280 323076 329745 337844 360620 368638 370329 378339 388040 389820 403845 413764 422305 432744 439660 453549 477420 493772 504452 506766 517205 527592 538460 540930 552957 582060 604732 617215 620646 630565 646152 659490 675688 708173 721240 737276 740658 755915 756678 779640 807690 827528 844610 879320 907098 921595 954840 987544 1008904 1013532 1034410 1076920 1081860 1105914 1164120 1209464 1234430 1241292 1261130 1266915 1318980 1416346 1474552 1481316 1511830 1513356 1551615 1604759 1615380 1689220 1814196 1843190 1851645 1891695 1965379 2027064 2068820 2124519 2163720 2211828 2267745 2396147 2468860 2482584 2522260 2533830 2637960 2764785 2832692 2962632 3023660 3026712 3103230 3209518 3230760 3378440 3540865 3628392 3686380 3703290 3783390 3930758 4137640 4249038 4423656 4535490 4792294 4814277 4937720 5044520 5067660 5529570 5665384 5896137 6047320 6206460 6419036 7081730 7188441 7372760 7406580 7566780 7861516 8023795 8498076 9070980 9206249 9584588 9628554 9826895 10135320 10622595 11059140 11792274 11980735 12412920 12838072 13455287 14163460 14376882 14813160 15133560 15723032 16047590 16996152 18141960 18412498 19169176 19257108 19653790 21245190 22118280 23584548 23961470 24071385 26910574 27618747 28326920 28753764 29480685 32095180 35942205 36824996 38514216 39307580 40365861 42490380 46031245 47169096 47922940 48142770 53821148 55237494 57507528 58961370 64190360 67276435 71884410 73649992 78615160 80731722 84980760 92062490 95845880 96285540 107642296 110474988 117922740 134552870 138093735 143768820 161463444 174918731 184124980 192571080 201829305 220949976 235845480 269105740 276187470 287537640 322926888 349837462 368249960 403658610 524756193 538211480 552374940 699674924 807317220 874593655 1049512386 1104749880 1399349848 1614634440 1749187310 2099024772 2623780965 3498374620 4198049544 5247561930 6996749240 10495123860 20990247720
- Sum of all divisors σ(n): 73846080000
- Sum of proper divisors (its aliquot sum) s(n): 52855832280
- 20990247720 is an abundant number, because the sum of its proper divisors (52855832280) is greater than itself. Its abundance is 31865584560
Bases of 20990247720
- Binary: 100111000110001110111000011001010002
- Hexadecimal: 0x4E31DC328
- Base-36: 9N51USO
Squares and roots of 20990247720
- 20990247720 squared (209902477202) is 440590499346965198400
- 20990247720 cubed (209902477203) is 9248103724371297744634947648000
-
The
square root of 20990247720 is 144880.1149916717 -
The
cube root of 20990247720 is 2758.4970340461
Scales and comparisons
How big is 20990247720?- 20,990,247,720 seconds is equal to 667 years, 22 weeks, 16 hours, 22 minutes.
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To count from 1 to 20,990,247,720 would take you about one thousand, three hundred thirty-four 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 20990247720 cubic inches would be around 229.9 feet tall.
Recreational maths with 20990247720
- 20990247720 backwards is 02774209902
- The number of decimal digits it has is: 11
- The sum of 20990247720's digits is 42
- More coming soon!
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