20397985067928

Names of 20397985067928

• Cardinal: 20397985067928 can be written as Twenty trillion, three hundred ninety-seven billion, nine hundred eighty-five million, sixty-seven thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0397985067928 × 10¹³

Factors of 20397985067928

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1295

Divisors of 20397985067928

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 79 102 104 136 156 158 204 221 237 257 307 312 316 408 442 474 514 614 617 632 663 771 884 921 948 1027 1028 1228 1234 1326 1343 1542 1768 1842 1851 1896 2054 2056 2456 2468 2652 2686 3081 3084 3341 3684 3702 3991 4029 4108 4369 4936 5219 5304 5372 6162 6168 6682 7368 7404 7982 8021 8058 8216 8738 10023 10438 10489 10744 11973 12324 13107 13364 14808 15657 15964 16042 16116 17459 17476 20046 20303 20876 20978 23946 24063 24253 24648 26214 26728 31314 31467 31928 32084 32232 34918 34952 40092 40606 41752 41956 47892 48126 48506 48743 52377 52428 56797 60909 62628 62934 64168 67847 69836 72759 78899 80184 81212 83912 95784 96252 97012 97486 104754 104856 113594 121818 125256 125868 135694 136357 139672 145518 146229 157798 158569 162424 170391 189419 192504 194024 194972 203541 209508 227188 236697 243636 251736 263939 271388 272714 291036 292458 315289 315596 317138 340782 345151 378838 389944 407082 409071 412301 419016 454376 473394 475707 487272 527878 542776 545428 568257 582072 584916 630578 631192 633659 634276 681564 690302 757676 791817 814164 818142 824602 828631 945867 946788 951414 1025687 1035453 1055756 1090856 1136514 1169832 1236903 1261156 1267318 1268552 1341283 1363128 1380604 1515352 1583634 1628328 1636284 1649204 1657262 1891734 1893576 1900977 1902828 2051374 2061397 2070906 2111512 2273028 2462447 2473806 2485893 2522312 2534636 2682566 2695673 2761208 3077061 3167268 3220123 3272568 3298408 3314524 3783468 3801954 3805656 4023849 4102748 4122794 4141812 4486963 4546056 4924894 4947612 4971786 5069272 5359913 5365132 5391346 6154122 6184191 6233021 6334536 6440246 6629048 7387341 7566936 7603908 8047698 8087019 8205496 8245588 8283624 8973926 9660369 9849788 9895224 9943572 10719826 10730264 10772203 10782692 12308244 12368382 12466042 12526951 12880492 13460889 14774682 14964101 15207816 16079739 16095396 16174038 16491176 17436679 17947852 18699063 19320738 19699576 19887144 21439652 21544406 21565384 24616488 24736764 24932084 25053902 25760984 26921778 29549364 29928202 32159478 32190792 32316609 32348076 34873358 35043749 35895704 37398126 37580853 38641476 41861599 42879304 43088812 44892303 48680683 49473528 49864168 50107804 52310037 53843556 59098728 59856404 64318956 64633218 64696152 69746716 70087498 74796252 75161706 77282952 81029273 83723198 86177624 89784606 97361366 100215608 104620074 105131247 105961357 107687112 119712808 125584797 128637912 129266436 139493432 140174996 146042049 149592504 150323412 162058546 162850363 167446396 179569212 194533313 194722732 209240148 210262494 211922714 212958167 243087819 251169594 254389717 258532872 280349992 292084098 300646824 317884071 324117092 325700726 334892792 359138424 389066626 389445464 418480296 420524988 423845428 425916334 486175638 488551089 502339188 508779434 583599939 584168196 632848879 635768142 638874501 648234184 651401452 763169151 778133252 827571611 841049976 847690856 851832668 972351276 977102178 1004678376 1017558868 1167199878 1168336392 1265697758 1271536284 1277749002 1302802904 1377497641 1526338302 1556266504 1655143222 1703665336 1898546637 1944702552 1954204356 2035117736 2334399756 2482714833 2531395516 2543072568 2555498004 2754995282 2768456171 3052676604 3307066321 3310286444 3797093274 3845773957 3908408712 4132492923 4668799512 4965429666 5062791032 5110996008 5509990564 5536912342 6105353208 6614132642 6620572888 7594186548 7691547914 8264985846 8305368513 9921198963 9930859332 10758430943 11019981128 11073824684 11537321871 13228265284 15188373096 15383095828 16529971692 16610737026 19842397926 19861718664 21516861886 22147649368 23074643742 26456530568 30766191656 32275292829 33059943384 33221474052 39684795852 43033723772 46149287484 49995061441 64550585658 65378157269 66442948104 79369591704 86067447544 92298574968 99990122882 129101171316 130756314538 149985184323 196134471807 199980245764 258202342632 261512629076 299970368646 392268943614 399960491528 523025258152 599940737292 784537887228 849916044497 1199881474584 1569075774456 1699832088994 2549748133491 3399664177988 5099496266982 6799328355976 10198992533964 20397985067928
• Sum of all divisors σ(n): 59401946419200
• Sum of proper divisors (its aliquot sum) s(n): 39003961351272
• 20397985067928 is an abundant number, because the sum of its proper divisors (39003961351272) is greater than itself. Its abundance is 18605976283344

Bases of 20397985067928

• Binary: 100101000110101000110101001110111001110011000₂
• Hexadecimal: 0x128D46A77398
• Base-36: 78APDND7C

Squares and roots of 20397985067928

• 20397985067928 squared (20397985067928²) is 416077794831413654774213184
• 20397985067928 cubed (20397985067928³) is 8487148646067585706187845655536993162752
• The square root of 20397985067928 is 4516412.8540167805
• The cube root of 20397985067928 is 27323.0445252557

Scales and comparisons

• 20,397,985,067,928 seconds is equal to 648,592 years, 43 weeks, 1 day, 3 hours, 18 minutes, 48 seconds.
• To count from 1 to 20,397,985,067,928 would take you about one million, six hundred twenty-one thousand, four hundred eighty-two 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 20397985067928 cubic inches would be around 2276.9 feet tall.

Recreational maths with 20397985067928

• 20397985067928 backwards is 82976058979302
• The number of decimal digits it has is: 14
• The sum of 20397985067928's digits is 75
• More coming soon!