18213681146544

Names of 18213681146544

• Cardinal: 18213681146544 can be written as Eighteen trillion, two hundred thirteen billion, six hundred eighty-one million, one hundred forty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8213681146544 × 10¹³

Factors of 18213681146544

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3739

Divisors of 18213681146544

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 137 144 151 156 208 234 274 302 312 411 453 468 548 604 624 822 906 936 1096 1208 1233 1359 1644 1781 1812 1872 1963 2192 2416 2466 2718 3288 3433 3562 3624 3926 4932 5343 5436 5889 6576 6866 7124 7248 7852 9864 10299 10686 10872 11778 13732 14248 15704 16029 17667 18769 19728 20598 20687 21372 21744 23556 27464 28496 30897 31408 32058 35334 37538 41196 41374 42744 44629 47112 54928 56307 61794 62061 64116 70668 75076 82392 82748 85488 89258 94224 112614 123588 124122 128232 133887 141336 150152 164784 165496 168921 178516 186183 225228 243997 247176 248244 256464 267774 268931 282672 300304 330992 337842 357032 372366 401661 450456 470321 487994 494352 496488 518383 535548 537862 675684 714064 731991 744732 803322 806793 900912 940642 975988 992976 1036766 1071096 1075724 1351368 1410963 1463982 1489464 1555149 1606644 1613586 1881284 1951976 2073532 2142192 2151448 2195973 2420379 2702736 2821926 2834119 2927964 2978928 3110298 3213288 3227172 3762568 3903952 4147064 4232889 4302896 4391946 4665447 4840758 5643852 5668238 5855928 6114173 6220596 6426576 6454344 6738979 7525136 8294128 8465778 8502357 8783892 9330894 9681516 11287704 11336476 11711856 12228346 12441192 12908688 13477958 16931556 17004714 17567784 18342519 18661788 19363032 20216937 22575408 22672952 24456692 24882384 25507071 26955916 33863112 34009428 35135568 36685038 36843547 37323576 38726064 40433874 45345904 48913384 51014142 53911832 55027557 60650811 64433977 67726224 68018856 71018471 73370076 73687094 74647152 80867748 97826768 102028284 107823664 110055114 110530641 121301622 128867954 136037712 142036942 146740152 147374188 161735496 193301931 204056568 213055413 220110228 221061282 242603244 257735908 284073884 293480304 294748376 323470992 331591923 386603862 408113136 426110826 440220456 442122564 485206488 515471816 568147768 579905793 589496752 639166239 663183846 773207724 837641701 852221652 880440912 884245128 923240123 970412976 1030943632 1136295536 1159811586 1278332478 1326367692 1546415448 1675283402 1704443304 1768490256 1846480246 2319623172 2512925103 2556664956 2652735384 2769720369 3092830896 3350566804 3408886608 3692960492 4639246344 5025850206 5113329912 5305470768 5539440738 6701133608 7385920984 7538775309 8309161107 9278492688 9729530527 10051700412 10226659824 11078881476 13402267216 14771841968 15077550618 16618322214 19459061054 20103400824 22157762952 29188591581 30155101236 33236644428 38918122108 40206801648 44315525904 58377183162 60310202472 66473288856 77836244216 87565774743 116754366324 120620404944 126483896851 132946577712 155672488432 175131549486 233508732648 252967793702 350263098972 379451690553 467017465296 505935587404 700526197944 758903381106 1011871174808 1138355071659 1401052395888 1517806762212 2023742349616 2276710143318 3035613524424 4553420286636 6071227048848 9106840573272 18213681146544
• Sum of all divisors σ(n): 55680045922592
• Sum of proper divisors (its aliquot sum) s(n): 37466364776048
• 18213681146544 is an abundant number, because the sum of its proper divisors (37466364776048) is greater than itself. Its abundance is 19252683629504

Bases of 18213681146544

• Binary: 100001001000010110011111111101010101010110000₂
• Hexadecimal: 0x1090B3FEAAB0
• Base-36: 6GF8ZHOS0

Squares and roots of 18213681146544

• 18213681146544 squared (18213681146544²) is 331738180907972358403143936
• 18213681146544 cubed (18213681146544³) is 6042173451192338875750434337218740957184
• The square root of 18213681146544 is 4267748.9554265021
• The cube root of 18213681146544 is 26310.7105274859

Scales and comparisons

• 18,213,681,146,544 seconds is equal to 579,138 years, 37 weeks, 3 days, 18 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,213,681,146,544 would take you about one million, four hundred forty-seven thousand, eight hundred forty-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 18213681146544 cubic inches would be around 2192.6 feet tall.

Recreational maths with 18213681146544

• 18213681146544 backwards is 44564118631281
• The number of decimal digits it has is: 14
• The sum of 18213681146544's digits is 54
• More coming soon!