18213151495448

Names of 18213151495448

• Cardinal: 18213151495448 can be written as Eighteen trillion, two hundred thirteen billion, one hundred fifty-one million, four hundred ninety-five thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8213151495448 × 10¹³

Factors of 18213151495448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 45

Divisors of 18213151495448

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 13 14 23 26 28 46 52 56 91 92 104 161 169 182 184 299 322 338 364 529 598 644 676 728 1058 1183 1196 1288 1352 2093 2116 2197 2366 2392 3703 3887 4186 4232 4394 4732 6877 7406 7774 8372 8788 9464 12167 13754 14812 15379 15548 16744 17576 24334 27209 27508 29624 30758 31096 48139 48668 50531 54418 55016 61516 85169 89401 96278 97336 101062 108836 123032 158171 170338 178802 192556 202124 217672 279841 316342 340676 353717 357604 385112 404248 559682 625807 632684 681352 707434 715208 1107197 1119364 1162213 1251614 1265368 1414868 1958887 2056223 2214394 2238728 2324426 2503228 2829736 3637933 3917774 4112446 4428788 4648852 5006456 6436343 7275866 7835548 8135491 8224892 8857576 9297704 12872686 14393561 14551732 15671096 16270982 16449784 25465531 25745372 26730899 28787122 29103464 32541964 45054401 47293129 50931062 51490744 53461798 57574244 65083928 83672459 90108802 94586258 101862124 106923596 115148488 148035889 167344918 180217604 187116293 189172516 203724248 213847192 296071778 331051903 334689836 360435208 374232586 378345032 585707213 592143556 614810677 662103806 669379672 748465172 1036251223 1087741967 1171414426 1184287112 1229621354 1324207612 1496930344 1924466557 2072502446 2175483934 2342828852 2459242708 2648415224 3848933114 4145004892 4303674739 4350967868 4685657704 4918485416 7614193769 7697866228 8290009784 8607349478 8701935736 13471265899 14140645571 15228387538 15395732456 17214698956 25018065241 26942531798 28281291142 30456775076 34429397912 50036130482 53885063596 56562582284 60913550152 98984518997 100072260964 107770127192 113125164568 175126456687 197969037994 200144521928 325234848133 350252913374 395938075988 650469696266 700505826748 791876151976 1300939392532 1401011653496 2276643936931 2601878785064 4553287873862 9106575747724 18213151495448
• Sum of all divisors σ(n): 44200824880800
• Sum of proper divisors (its aliquot sum) s(n): 25987673385352
• 18213151495448 is an abundant number, because the sum of its proper divisors (25987673385352) is greater than itself. Its abundance is 7774521889904

Bases of 18213151495448

• Binary: 100001001000010010100011011001101010100011000₂
• Hexadecimal: 0x1090946CD518
• Base-36: 6GF085FDK

Squares and roots of 18213151495448

• 18213151495448 squared (18213151495448²) is 331718887396139718764720704
• 18213151495448 cubed (18213151495448³) is 6041646350047348837602023037321647355392
• The square root of 18213151495448 is 4267686.9022279505
• The cube root of 18213151495448 is 26310.4554878515
• Being both a perfect square and a perfect cube, 18213151495448 is also a perfect sixth number.

Scales and comparisons

• 18,213,151,495,448 seconds is equal to 579,121 years, 45 weeks, 5 days, 12 hours, 44 minutes, 8 seconds.
• To count from 1 to 18,213,151,495,448 would take you about one million, four hundred forty-seven thousand, eight hundred four 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 18213151495448 cubic inches would be around 2192.5 feet tall.

Recreational maths with 18213151495448

• 18213151495448 backwards is 84459415131281
• 18213151495448 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18213151495448's digits is 56
• More coming soon!