21106938938904

Names of 21106938938904

• Cardinal: 21106938938904 can be written as Twenty-one trillion, one hundred six billion, nine hundred thirty-eight million, nine hundred thirty-eight thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1106938938904 × 10¹³

Factors of 21106938938904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 98

Divisors of 21106938938904

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 73 78 84 91 98 104 117 126 146 147 156 168 169 182 196 219 234 252 273 292 294 312 338 343 364 392 438 441 468 504 507 511 546 584 588 637 657 676 686 728 819 876 882 936 949 1014 1022 1029 1092 1176 1183 1274 1314 1352 1372 1521 1533 1638 1752 1764 1898 1911 2028 2044 2058 2184 2197 2366 2548 2628 2744 2847 3042 3066 3087 3276 3528 3549 3577 3796 3822 4056 4088 4116 4394 4459 4599 4732 5096 5256 5329 5694 5733 6084 6132 6174 6552 6591 6643 7098 7154 7592 7644 8232 8281 8541 8788 8918 9198 9464 10647 10658 10731 11388 11466 12168 12264 12337 12348 13182 13286 13377 14196 14308 15288 15379 15987 16562 17082 17576 17836 18396 19773 19929 21294 21316 21462 22776 22932 24674 24696 24843 25039 26364 26572 26754 28392 28616 30758 31974 32193 33124 34164 35672 36792 37011 37303 39546 39858 40131 42588 42632 42924 45864 46137 46501 47961 49348 49686 50078 52728 53144 53508 57967 59787 61516 63948 64386 66248 68328 69277 74022 74529 74606 75117 79092 79716 80262 85176 85848 86359 92274 93002 95922 98696 99372 100156 107016 107653 111033 111909 115934 119574 123032 127896 128772 138411 138554 139503 148044 149058 149212 150234 158184 159432 160381 160524 172718 173901 184548 186004 191844 198744 200312 207831 215306 222066 223818 225351 231868 239148 257544 259077 261121 276822 277108 279006 296088 298116 298424 300468 320762 321048 322959 325507 335727 345436 347802 369096 372008 383688 389017 415662 418509 430612 444132 447636 450702 463736 478296 481143 484939 518154 521703 522242 553644 554216 558012 596232 600936 604513 623493 641524 645918 651014 671454 690872 695604 753571 777231 778034 783363 831324 837018 861224 888264 895272 900601 901404 962286 968877 969878 976521 1036308 1043406 1044484 1107288 1116024 1122667 1167051 1209026 1246986 1283048 1291836 1302028 1342908 1391208 1443429 1454817 1507142 1554462 1556068 1566726 1662648 1674036 1801202 1802808 1813539 1827847 1924572 1937754 1939756 1953042 2072616 2086812 2088968 2245334 2260713 2334102 2350089 2418052 2493972 2583672 2604056 2685816 2701803 2723119 2886858 2909634 2929563 3014284 3108924 3112136 3133452 3348072 3368001 3394573 3501153 3602404 3627078 3655694 3849144 3875508 3879512 3906084 4173624 4231591 4364451 4490668 4521426 4668204 4700178 4836104 4987944 5057221 5403606 5440617 5446238 5483541 5773716 5819268 5859126 6028568 6217848 6266904 6304207 6736002 6782139 6789146 7002306 7204808 7254156 7311388 7751016 7812168 7858669 8105409 8169357 8463182 8728902 8981336 9042852 9336408 9400356 10104003 10114442 10183719 10807212 10881234 10892476 10967082 11547432 11638536 11707813 11718252 12608414 12694773 13472004 13564278 13578292 14004612 14508312 14622776 15171663 15717338 16210818 16338714 16450623 16926364 17457804 18085704 18800712 18912621 19061833 20208006 20228884 20367438 21614424 21762468 21784952 21934164 23415626 23436504 23576007 23762011 24508071 25216828 25389546 26944008 27128556 27156584 28009224 30343326 30551157 31434676 32421636 32677428 32901246 33852728 34915608 35123439 35400547 37825242 38084319 38123666 40416012 40457768 40734876 43524936 43868328 44129449 45514989 46831252 47152014 47524022 49016142 50433656 50779092 54257112 55010683 56737863 57185499 60686652 61102314 62869352 64843272 65354856 65743873 65802492 70246878 70728021 70801094 71286033 75650484 76168638 76247332 80832024 81469752 81954691 88258898 91029978 93662504 94304028 95048044 98032284 101558184 105370317 106201641 110021366 113475726 114370998 121373304 122204628 131487746 131604984 132388347 133432831 140493756 141456042 141602188 142572066 151300968 152337276 152494664 163909382 165032049 171556497 176517796 182059956 188608056 190096088 196064568 197231619 210740634 212403282 213858099 220042732 226951452 228741996 244409256 245864073 247803829 262975492 264776694 266865662 280987512 282912084 283204376 285144132 304674552 308906143 318604923 327818764 330064098 343112994 353035592 364119912 394463238 397165041 400298493 421481268 424806564 427716198 440085464 453902904 457483992 460207111 491728146 495096147 495607658 525950984 529553388 533731324 565824168 570288264 573682837 591694857 617812286 637209846 655637528 660128196 686225988 737592219 743411487 788926476 794330082 800596986 842962536 849613128 854670349 855432396 920414222 926718429 983456292 990192294 991215316 1059106776 1067462648 1147365674 1183389714 1200895479 1235624572 1274419692 1320256392 1372451976 1380621333 1475184438 1486822974 1577852952 1588660164 1601193972 1709340698 1710864792 1721048511 1734626803 1840828444 1853436858 1966912584 1980384588 1982430632 2230234461 2294731348 2366779428 2401790958 2471249144 2548839384 2564011047 2761242666 2780155287 2950368876 2973645948 3177320328 3202387944 3221449777 3418681396 3442097022 3469253606 3681656888 3706873716 3960769176 4015779859 4141863999 4460468922 4589462696 4733558856 4803581916 5128022094 5163145533 5203880409 5522485332 5560310574 5900737752 5947291896 5982692443 6442899554 6837362792 6884194044 6938507212 7413747432 7692033141 8031559718 8283727998 8920937844 9607163832 9664349331 10256044188 10326291066 10407760818 11044970664 11120621148 11965384886 12047339577 12885799108 13768388088 13877014424 15384066282 15611641227 16063119436 16567455996 17841875688 17948077329 19328698662 20512088376 20652582132 20815521636 22241242296 22550148439 23930769772 24094679154 25771598216 28993047993 30768132564 31223282454 32126238872 33134911992 35896154658 36142018731 38657397324 41305164264 41631043272 41878847101 45100296878 47861539544 48189358308 53844231987 57986095986 61536265128 62446564908 67650445317 71792309316 72284037462 77314794648 83757694202 90200593756 96378716616 107688463974 115972191972 124893129816 125636541303 135300890634 143584618632 144568074924 167515388404 180401187512 202951335951 215376927948 231944383944 251273082606 270601781268 289136149848 293151929707 335030776808 376909623909 405902671902 430753855896 502546165212 541203562536 586303859414 753819247818 811805343804 879455789121 1005092330424 1172607718828 1507638495636 1623610687608 1758911578242 2345215437656 2638367367363 3015276991272 3517823156484 5276734734726 7035646312968 10553469469452 21106938938904
• Sum of all divisors σ(n): 73220128800000
• Sum of proper divisors (its aliquot sum) s(n): 52113189861096
• 21106938938904 is an abundant number, because the sum of its proper divisors (52113189861096) is greater than itself. Its abundance is 31006250922192

Bases of 21106938938904

• Binary: 100110011001001010111100110010000011000011000₂
• Hexadecimal: 0x133257990618
• Base-36: 7HCE6H920

Squares and roots of 21106938938904

• 21106938938904 squared (21106938938904²) is 445502871370621913444721216
• 21106938938904 cubed (21106938938904³) is 9403201903126119689881494154299136587264
• The square root of 21106938938904 is 4594228.8731520551
• The cube root of 21106938938904 is 27635.9936730675

Scales and comparisons

• 21,106,938,938,904 seconds is equal to 671,135 years, 19 weeks, 1 day, 18 hours, 8 minutes, 24 seconds.
• To count from 1 to 21,106,938,938,904 would take you about one million, six hundred seventy-seven thousand, eight hundred thirty-eight 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 21106938938904 cubic inches would be around 2303 feet tall.

Recreational maths with 21106938938904

• 21106938938904 backwards is 40983983960112
• 21106938938904 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21106938938904's digits is 63
• More coming soon!