20855729664
20,855,729,664 is an even composite number composed of five prime numbers multiplied together.
20855729664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 20855729664:
29 × 35 × 72 × 11 × 311
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 11 × 311)See below for interesting mathematical facts about the number 20855729664 from the Numbermatics database.
Names of 20855729664
- Cardinal: 20855729664 can be written as Twenty billion, eight hundred fifty-five million, seven hundred twenty-nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.0855729664 × 1010
Factors of 20855729664
Divisors of 20855729664
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 49 54 56 63 64 66 72 77 81 84 88 96 98 99 108 112 126 128 132 144 147 154 162 168 176 189 192 196 198 216 224 231 243 252 256 264 288 294 297 308 311 324 336 352 378 384 392 396 432 441 448 462 486 504 512 528 539 567 576 588 594 616 622 648 672 693 704 756 768 784 792 864 882 891 896 924 933 972 1008 1056 1078 1134 1152 1176 1188 1232 1244 1296 1323 1344 1386 1408 1512 1536 1568 1584 1617 1701 1728 1764 1782 1792 1848 1866 1944 2016 2079 2112 2156 2177 2268 2304 2352 2376 2464 2488 2592 2646 2673 2688 2772 2799 2816 3024 3136 3168 3234 3402 3421 3456 3528 3564 3584 3696 3732 3888 3969 4032 4158 4224 4312 4354 4536 4608 4704 4752 4851 4928 4976 5184 5292 5346 5376 5544 5598 5632 6048 6237 6272 6336 6468 6531 6804 6842 6912 7056 7128 7392 7464 7776 7938 8064 8316 8397 8448 8624 8708 9072 9408 9504 9702 9856 9952 10263 10368 10584 10692 10752 11088 11196 11907 12096 12474 12544 12672 12936 13062 13608 13684 13824 14112 14256 14553 14784 14928 15239 15552 15876 16128 16632 16794 16896 17248 17416 18144 18711 18816 19008 19404 19593 19712 19904 20526 20736 21168 21384 22176 22392 23814 23947 24192 24948 25088 25191 25344 25872 26124 27216 27368 28224 28512 29106 29568 29856 30478 30789 31104 31752 32256 33264 33588 34496 34832 36288 37422 37632 38016 38808 39186 39424 39808 41052 41472 42336 42768 43659 44352 44784 45717 47628 47894 48384 49896 50382 50688 51744 52248 54432 54736 56448 57024 58212 58779 59136 59712 60956 61578 62208 63504 66528 67176 68992 69664 71841 72576 74844 75264 75573 76032 77616 78372 79616 82104 84672 85536 87318 88704 89568 91434 92367 95256 95788 96768 99792 100764 103488 104496 108864 109472 112896 114048 116424 117558 118272 119424 121912 123156 124416 127008 130977 133056 134352 137151 137984 139328 143682 145152 149688 151146 152064 155232 156744 159232 164208 167629 169344 171072 174636 176337 177408 179136 182868 184734 190512 191576 199584 201528 206976 208992 215523 217728 218944 225792 228096 232848 235116 238848 243824 246312 254016 261954 266112 268704 274302 275968 277101 278656 287364 290304 299376 302292 310464 313488 328416 335258 338688 342144 349272 352674 354816 358272 365736 369468 381024 383152 399168 403056 411453 413952 417984 431046 435456 437888 456192 465696 470232 477696 487648 492624 502887 508032 523908 529011 532224 537408 548604 554202 557312 574728 598752 604584 620928 626976 646569 656832 670516 677376 684288 698544 705348 716544 731472 738936 762048 766304 798336 806112 822906 827904 831303 835968 862092 870912 875776 931392 940464 975296 985248 1005774 1016064 1047816 1058022 1064448 1074816 1097208 1108404 1114624 1149456 1197504 1209168 1234359 1241856 1253952 1293138 1313664 1341032 1368576 1397088 1410696 1433088 1462944 1477872 1508661 1524096 1532608 1596672 1612224 1645812 1662606 1671936 1724184 1751552 1862784 1880928 1939707 1950592 1970496 2011548 2032128 2095632 2116044 2149632 2194416 2216808 2298912 2395008 2418336 2468718 2483712 2507904 2586276 2627328 2682064 2794176 2821392 2925888 2955744 3017322 3048192 3065216 3193344 3224448 3291624 3325212 3343872 3448368 3703077 3725568 3761856 3879414 3901184 3940992 4023096 4191264 4232088 4299264 4388832 4433616 4525983 4597824 4790016 4836672 4937436 5015808 5172552 5254656 5364128 5588352 5642784 5819121 5851776 5911488 6034644 6096384 6130432 6448896 6583248 6650424 6896736 7406154 7451136 7523712 7758828 7802368 7881984 8046192 8382528 8464176 8777664 8867232 9051966 9195648 9580032 9673344 9874872 10031616 10345104 10728256 11176704 11285568 11638242 11703552 11822976 12069288 12260864 12897792 13166496 13300848 13577949 13793472 14812308 15047424 15517656 15763968 16092384 16765056 16928352 17555328 17734464 18103932 18391296 19346688 19749744 20690208 21456512 22353408 22571136 23276484 23407104 23645952 24138576 26332992 26601696 27155898 27586944 29624616 30094848 31035312 32184768 33530112 33856704 35110656 35468928 36207864 36782592 38693376 39499488 40733847 41380416 42913024 45142272 46552968 47291904 48277152 52665984 53203392 54311796 55173888 59249232 62070624 64369536 67060224 67713408 70221312 70937856 72415728 78998976 81467694 82760832 85826048 90284544 93105936 96554304 105331968 106406784 108623592 110347776 118498464 124141248 128739072 135426816 141875712 144831456 157997952 162935388 165521664 186211872 193108608 210663936 212813568 217247184 236996928 248282496 257478144 270853632 289662912 315995904 325870776 331043328 372423744 386217216 425627136 434494368 473993856 496564992 579325824 631991808 651741552 744847488 772434432 868988736 947987712 993129984 1158651648 1303483104 1489694976 1737977472 1895975424 2317303296 2606966208 2979389952 3475954944 5213932416 6951909888 10427864832 20855729664
- Sum of all divisors σ(n): 79467163776
- Sum of proper divisors (its aliquot sum) s(n): 58611434112
- 20855729664 is an abundant number, because the sum of its proper divisors (58611434112) is greater than itself. Its abundance is 37755704448
Bases of 20855729664
- Binary: 100110110110001100100101110000000002
- Hexadecimal: 0x4DB192E00
- Base-36: 9KWYO00
Squares and roots of 20855729664
- 20855729664 squared (208557296642) is 434961459817849552896
- 20855729664 cubed (208557296643) is 9071438620219868957022244306944
-
The
square root of 20855729664 is 144415.1296229035 -
The
cube root of 20855729664 is 2752.5917016869
Scales and comparisons
How big is 20855729664?- 20,855,729,664 seconds is equal to 663 years, 7 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
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To count from 1 to 20,855,729,664 would take you about one thousand, three 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 20855729664 cubic inches would be around 229.4 feet tall.
Recreational maths with 20855729664
- 20855729664 backwards is 46692755802
- 20855729664 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20855729664's digits is 54
- More coming soon!
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The information we have on file for 20855729664 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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