21018103380743436

Names of 21018103380743436

• Cardinal: 21018103380743436 can be written as Twenty-one quadrillion, eighteen trillion, one hundred three billion, three hundred eighty million, seven hundred forty-three thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 2.1018103380743436 × 10¹⁶

Factors of 21018103380743436

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5804

Divisors of 21018103380743436

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 47 54 66 81 94 99 108 132 141 162 188 198 243 282 297 324 396 423 486 517 564 594 729 846 891 972 1034 1188 1269 1458 1551 1692 1782 2068 2187 2209 2538 2673 2916 3102 3564 3807 4374 4418 4653 5076 5346 5741 6204 6561 6627 7614 8019 8748 8836 9306 10692 11421 11482 13122 13254 13959 15228 16038 17223 18612 19881 22842 22964 24057 24299 26244 26508 27918 32076 34263 34446 39762 41877 45684 48114 48598 51669 55836 59643 63151 68526 68892 72171 72897 79524 83754 96228 97196 102789 103338 119286 125631 126302 137052 144342 145794 155007 167508 178929 189453 205578 206676 218691 238572 251262 252604 269827 288684 291588 308367 310014 357858 376893 378906 411156 437382 465021 502524 536787 539654 568359 616734 620028 656073 715716 753786 757812 809481 874764 930042 1073574 1079308 1130679 1136718 1233468 1312146 1395063 1507572 1610361 1618962 1705077 1860084 1968219 2147148 2261358 2273436 2428443 2624292 2790126 2968097 3220722 3237924 3392037 3410154 3936438 4185189 4522716 4831083 4856886 5115231 5580252 5904657 5936194 6441444 6784074 6820308 7285329 7872876 8370378 8904291 9662166 9713772 10230462 11809314 11872388 12555567 12681869 13568148 14493249 14570658 15345693 16740756 17713971 17808582 19324332 20460924 21855987 23618628 25111134 25363738 26712873 28986498 29141316 30691386 32959081 35427942 35617164 37666701 38045607 43711974 46037079 50222268 50727476 53141913 53425746 57972996 61382772 65567961 65918162 70855884 75333402 76091214 80138619 87423948 92074158 98877243 106283826 106851492 114136821 131135922 131836324 138111237 139500559 150666804 152182428 159425739 160277238 184148316 196703883 197754486 212567652 228273642 240415857 262271844 276222474 279001118 296631729 318851478 320554476 342410463 362549891 393407766 395508972 414333711 418501677 456547284 480831714 552444948 558002236 590111649 593263458 637702956 684820926 721247571 725099782 786815532 828667422 837003354 889895187 961663428 1027231389 1087649673 1180223298 1186526916 1255505031 1369641852 1442495142 1450199564 1549076807 1657334844 1674006708 1770334947 1779790374 2054462778 2163742713 2175299346 2360446596 2511010062 2669685561 2884990284 3081694167 3098153614 3262949019 3540669894 3559580748 3766515093 4108925556 4327485426 4350598692 4647230421 5022020124 5339371122 6163388334 6196307228 6491228139 6525898038 7081339788 7533030186 8009056683 8654970852 9245082501 9294460842 9788847057 10678742244 11299545279 12326776668 12982456278 13051796076 13941691263 15066060372 16018113366 17039844877 18490165002 18588921684 19473684417 19577694114 22599090558 24027170049 25964912556 27735247503 27883382526 29366541171 32036226732 33898635837 34079689754 36980330004 38947368834 39155388228 41825073789 45198181116 48054340098 51119534631 55470495006 55766765052 58733082342 67797271674 68159379508 72081510147 72806609929 77894737668 83205742509 83650147578 88099623513 96108680196 101695907511 102239069262 110940990012 117466164684 125475221367 135594543348 144163020294 145613219858 153358603893 166411485018 167300295156 176199247026 203391815022 204478138524 216244530441 218419829787 250950442734 264298870539 288326040588 291226439716 305087722533 306717207786 332822970036 352398494052 376425664101 406783630044 432489060882 436839659574 460075811679 501900885468 528597741078 610175445066 613434415572 655259489361 752851328202 792896611617 800872709219 864978121764 873679319148 915263167599 920151623358 1057195482156 1129276992303 1220350890132 1310518978722 1380227435037 1505702656404 1585793223234 1601745418438 1830526335198 1840303246716 1965778468083 2258553984606 2378689834851 2402618127657 2621037957444 2760454870074 3171586446468 3203490836876 3387830976909 3661052670396 3931556936166 4140682305111 4517107969212 4757379669702 4805236255314 5520909740148 5897335404249 6775661953818 7207854382971 7863113872332 8281364610222 9514759339404 9610472510628 10163492930727 11794670808498 12422046915333 13551323907636 14415708765942 16562729220444 17692006212747 20326985861454 21623563148913 23589341616996 24844093830666 28831417531884 35384012425494 37266140745999 40653971722908 43247126297826 49688187661332 53076018638241 64870689446739 70768024850988 74532281491998 86494252595652 106152037276482 111798422237997 129741378893478 149064562983996 159228055914723 194612068340217 212304074552964 223596844475994 259482757786956 318456111829446 389224136680434 447193688951988 477684167744169 583836205020651 636912223658892 778448273360868 955368335488338 1167672410041302 1751508615061953 1910736670976676 2335344820082604 3503017230123906 5254525845185859 7006034460247812 10509051690371718 21018103380743436
• Sum of all divisors σ(n): 61503640786035084
• Sum of proper divisors (its aliquot sum) s(n): 40485537405291648
• 21018103380743436 is an abundant number, because the sum of its proper divisors (40485537405291648) is greater than itself. Its abundance is 19467434024548212

Bases of 21018103380743436

• Binary: 1001010101010111101101010001001110111001001010100001100₂
• Hexadecimal: 0x4AABDA89DC950C
• Base-36: 5QYANE9JOR0

Squares and roots of 21018103380743436

• 21018103380743436 squared (21018103380743436²) is 441760669723618653809380057086096
• 21018103380743436 cubed (21018103380743436³) is 9284971425797473678718629011059297560724338865856
• The square root of 21018103380743436 is 144976216.6037706889
• The cube root of 21018103380743436 is 275971.6740023555

Scales and comparisons

• 21,018,103,380,743,436 seconds is equal to 668,310,674 years, 12 weeks, 5 days, 6 hours, 30 minutes, 36 seconds.
• To count from 1 to 21,018,103,380,743,436 would take you about two billion, four million, nine hundred thirty-two thousand and twenty-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 21018103380743436 cubic inches would be around 22997.6 feet tall.

Recreational maths with 21018103380743436

• 21018103380743436 backwards is 63434708330181012
• 21018103380743436 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21018103380743436's digits is 54
• More coming soon!