20718440820
20,718,440,820 is an even composite number composed of seven prime numbers multiplied together.
20718440820 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 20718440820:
22 × 34 × 5 × 7 × 11 × 37 × 672
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 37 × 67 × 67)See below for interesting mathematical facts about the number 20718440820 from the Numbermatics database.
Names of 20718440820
- Cardinal: 20718440820 can be written as Twenty billion, seven hundred eighteen million, four hundred forty thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.071844082 × 1010
Factors of 20718440820
Divisors of 20718440820
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 37 42 44 45 54 55 60 63 66 67 70 74 77 81 84 90 99 105 108 110 111 126 132 134 135 140 148 154 162 165 180 185 189 198 201 210 220 222 231 252 259 268 270 297 308 315 324 330 333 335 370 378 385 396 402 405 407 420 444 462 469 495 518 540 555 567 594 603 630 660 666 670 693 737 740 756 770 777 804 810 814 891 924 938 945 990 999 1005 1036 1110 1134 1155 1188 1206 1221 1260 1295 1332 1340 1386 1407 1474 1485 1540 1554 1620 1628 1665 1782 1809 1876 1890 1980 1998 2010 2035 2079 2211 2220 2268 2310 2331 2345 2412 2442 2479 2590 2772 2814 2835 2849 2948 2970 2997 3015 3108 3330 3465 3564 3618 3663 3685 3780 3885 3996 4020 4070 4158 4221 4422 4455 4489 4620 4662 4690 4884 4958 4995 5159 5180 5427 5628 5670 5698 5940 5994 6030 6105 6237 6633 6660 6930 6993 7035 7236 7326 7370 7437 7770 8140 8316 8442 8547 8844 8910 8978 9045 9324 9380 9916 9990 10318 10395 10854 10989 11055 11340 11396 11655 11988 12060 12210 12395 12474 12663 13266 13467 13860 13986 14070 14245 14652 14740 14874 14985 15477 15540 16884 17094 17353 17820 17956 18090 18315 19899 19980 20636 20790 20979 21105 21708 21978 22110 22311 22445 23310 24420 24790 24948 25326 25641 25795 26532 26934 27135 27269 27972 28140 28490 29748 29970 30954 31185 31423 32967 33165 34188 34706 34965 36180 36630 37185 37989 39798 40401 41580 41958 42210 42735 43956 44220 44622 44890 46431 46620 49379 49580 50652 51282 51590 52059 53868 54270 54538 54945 56980 59697 59940 61908 62370 62846 63315 65934 66330 66933 67335 69412 69930 73260 74370 75978 76923 77385 79596 80802 81807 83916 84420 85470 86765 89244 89780 92862 94269 98758 99495 102564 103180 104118 104895 108540 109076 109890 111555 119394 121203 124740 125692 126630 128205 131868 132660 133866 134670 136345 139293 139860 148137 148740 151956 153846 154770 156177 157115 161604 163614 164835 166093 170940 173530 185724 188538 189945 190883 197516 198990 200799 202005 208236 209790 219780 223110 230769 232155 238788 242406 245421 246895 253260 256410 260295 267732 269340 272690 278586 282807 296274 298485 307692 309540 312354 314230 327228 329670 332186 334665 345653 347060 363609 377076 379890 381766 384615 397980 401598 404010 409035 417879 419580 444411 446220 461538 464310 468531 471345 484812 490842 493790 498279 512820 520590 545380 557172 565614 572649 592548 596970 606015 624708 628460 659340 664372 669330 691306 696465 727218 736263 740685 759780 763532 769230 780885 803196 808020 818070 830465 835758 848421 888822 923076 928620 937062 942690 954415 981684 987580 996558 1003995 1036959 1041180 1131228 1145298 1153845 1162651 1193940 1212030 1227105 1333233 1338660 1382612 1392930 1405593 1414035 1454436 1472526 1481370 1494837 1538460 1561770 1636140 1660930 1671516 1696842 1717947 1728265 1777644 1818045 1827023 1874124 1885380 1908830 1993116 2007990 2073918 2089395 2208789 2222055 2290596 2307690 2325302 2342655 2424060 2454210 2491395 2545263 2666466 2785860 2811186 2828070 2863245 2945052 2962740 2989674 3110877 3123540 3321860 3393684 3435894 3456530 3487953 3636090 3654046 3681315 3817660 3999699 4015980 4147836 4178790 4242105 4417578 4444110 4484511 4615380 4650604 4685310 4908420 4982790 5090526 5153841 5184795 5332932 5481069 5622372 5656140 5726490 5813255 5979348 6221754 6666165 6871788 6913060 6975906 7027965 7272180 7308092 7362630 7474185 7999398 8357580 8484210 8589735 8835156 8888220 8969022 9135115 9332631 9370620 9965580 10181052 10307682 10369590 10463859 10962138 11043945 11452980 11626510 12443508 12726315 12789161 13332330 13453533 13951812 14055930 14725260 14948370 15461523 15554385 15998796 16443207 16968420 17179470 17439765 17938044 18270230 18665262 19998495 20615364 20739180 20927718 21924276 22087890 22422555 23253020 25452630 25578322 25769205 26664660 26907066 27405345 27997893 28111860 29896740 30923046 31108770 31391577 32886414 34358940 34879530 36540460 37330524 38367483 39996990 41855436 44175780 44845110 46663155 49329621 50905260 51156644 51538410 52319295 53814132 54810690 55995786 61846092 62217540 62783154 63945805 65772828 67267665 69759060 76734966 77307615 79993980 82216035 89690220 93326310 94174731 98659242 103076820 104638590 109621380 111991572 115102449 125566308 127891610 134535330 139989465 147988863 153469932 154615230 156957885 164432070 186652620 188349462 191837415 197318484 209277180 230204898 246648105 255783220 269070660 279978930 295977726 309230460 313915770 328864140 345307347 376698924 383674830 460409796 470873655 493296210 559957860 575512245 591955452 627831540 690614694 739944315 767349660 941747310 986592420 1035922041 1151024490 1381229388 1479888630 1726536735 1883494620 2071844082 2302048980 2959777260 3453073470 4143688164 5179610205 6906146940 10359220410 20718440820
- Sum of all divisors σ(n): 84482842752
- Sum of proper divisors (its aliquot sum) s(n): 63764401932
- 20718440820 is an abundant number, because the sum of its proper divisors (63764401932) is greater than itself. Its abundance is 43045961112
Bases of 20718440820
- Binary: 100110100101110101001010001011101002
- Hexadecimal: 0x4D2EA5174
- Base-36: 9IN8390
Squares and roots of 20718440820
- 20718440820 squared (207184408202) is 429253790011842272400
- 20718440820 cubed (207184408203) is 8893469245121061219893719368000
-
The
square root of 20718440820 is 143939.0177123631 -
The
cube root of 20718440820 is 2746.5384907811
Scales and comparisons
How big is 20718440820?- 20,718,440,820 seconds is equal to 658 years, 40 weeks, 4 days, 18 hours, 27 minutes.
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To count from 1 to 20,718,440,820 would take you about one thousand, three hundred seventeen 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 20718440820 cubic inches would be around 228.9 feet tall.
Recreational maths with 20718440820
- 20718440820 backwards is 02804481702
- 20718440820 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20718440820's digits is 36
- More coming soon!
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