18012309216

Names of 18012309216

• Cardinal: 18012309216 can be written as Eighteen billion, twelve million, three hundred nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8012309216 × 10¹⁰

Factors of 18012309216

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 318

Divisors of 18012309216

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 43 44 48 66 71 74 86 88 96 111 129 132 142 148 151 172 176 213 222 258 264 284 296 302 344 352 407 426 444 453 473 516 528 568 592 604 688 781 814 852 888 906 946 1032 1056 1136 1184 1208 1221 1376 1419 1562 1591 1628 1661 1704 1776 1812 1892 2064 2272 2343 2416 2442 2627 2838 3053 3124 3182 3256 3322 3408 3552 3624 3784 4128 4686 4773 4832 4884 4983 5254 5587 5676 6106 6248 6364 6493 6512 6644 6816 7248 7568 7881 9159 9372 9546 9768 9966 10508 10721 11174 11352 12212 12496 12728 12986 13024 13288 14496 15136 15762 16761 17501 18318 18744 19092 19479 19536 19932 21016 21442 22348 22704 24424 24992 25456 25972 26576 28897 31524 32163 33522 33583 35002 36636 37488 38184 38958 39072 39864 42032 42884 44696 45408 48848 50912 51944 52503 53152 57794 61457 63048 64326 67044 67166 70004 71423 73272 74976 76368 77916 79728 84064 85768 86691 89392 97696 100749 103888 105006 112961 115588 117931 122914 126096 128652 134088 134332 140008 142846 146544 152736 155832 159456 171536 173382 178784 184371 201498 207776 210012 214269 225922 231176 235862 240241 245828 252192 257304 268176 268664 280016 285692 293088 311664 338883 343072 346764 353793 368742 396677 402996 420024 428538 451844 461003 462352 471724 480482 491656 514608 536352 537328 560032 571384 623328 677766 693528 707586 720723 737484 793354 805992 840048 857076 903688 922006 924704 943448 960964 983312 1029216 1074656 1142768 1190031 1242571 1355532 1383009 1387056 1415172 1441446 1474968 1586708 1611984 1680096 1714152 1807376 1844012 1886896 1921928 1966624 2285536 2380062 2485142 2642651 2711064 2766018 2774112 2830344 2882892 2949936 3173416 3223968 3428304 3614752 3688024 3727713 3773792 3843856 4363447 4760124 4970284 5071033 5285302 5422128 5532036 5660688 5765784 5899872 6346832 6856608 7376048 7455426 7687712 7927953 8726894 9520248 9940568 10142066 10570604 10844256 11064072 11321376 11531568 12693664 13090341 14752096 14910852 15213099 15855906 17057111 17453788 19040496 19881136 20284132 21141208 22128144 23063136 26180682 29821704 30426198 31711812 34114222 34907576 38080992 39762272 40568264 42282416 44256288 51171333 52361364 59643408 60852396 63423624 68228444 69815152 81136528 84564832 102342666 104722728 119286816 121704792 126847248 136456888 139630304 162273056 187628221 204685332 209445456 243409584 253694496 272913776 375256442 409370664 418890912 486819168 545827552 562884663 750512884 818741328 1125769326 1501025768 1637482656 2251538652 3002051536 4503077304 6004103072 9006154608 18012309216
• Sum of all divisors σ(n): 55334264832
• Sum of proper divisors (its aliquot sum) s(n): 37321955616
• 18012309216 is an abundant number, because the sum of its proper divisors (37321955616) is greater than itself. Its abundance is 19309646400

Bases of 18012309216

• Binary: 10000110001100111100000011011100000₂
• Hexadecimal: 0x4319E06E0
• Base-36: 89W2AQO

Squares and roots of 18012309216

• 18012309216 squared (18012309216²) is 324443283292798534656
• 18012309216 cubed (18012309216³) is 5843972741724173872215564189696
• The square root of 18012309216 is 134209.9445495751
• The cube root of 18012309216 is 2621.3386520097

Scales and comparisons

• 18,012,309,216 seconds is equal to 572 years, 38 weeks, 1 day, 19 hours, 13 minutes, 36 seconds.
• To count from 1 to 18,012,309,216 would take you about one thousand, one hundred forty-five 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 18012309216 cubic inches would be around 218.4 feet tall.

Recreational maths with 18012309216

• 18012309216 backwards is 61290321081
• 18012309216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18012309216's digits is 33
• More coming soon!