18028798216

Names of 18028798216

• Cardinal: 18028798216 can be written as Eighteen billion, twenty-eight million, seven hundred ninety-eight thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8028798216 × 10¹⁰

Factors of 18028798216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 80

Divisors of 18028798216

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 13 22 23 26 31 44 46 52 62 88 92 104 124 143 184 248 253 286 299 341 403 506 529 572 598 682 713 806 961 1012 1058 1144 1196 1364 1426 1612 1922 2024 2116 2392 2728 2852 3224 3289 3844 4232 4433 5704 5819 6578 6877 7688 7843 8866 9269 10571 11638 12493 13156 13754 15686 16399 17732 18538 21142 22103 23276 24986 26312 27508 29791 31372 32798 35464 37076 42284 44206 46552 49972 55016 59582 62744 65596 74152 75647 84568 88412 99944 101959 119164 131192 137423 151294 176824 180389 203918 213187 238328 243133 274846 287339 302588 327701 360778 387283 407836 426374 486266 508369 549692 574678 605176 655402 685193 721556 774566 815672 852748 972532 1016738 1099384 1149356 1310804 1370386 1443112 1549132 1705496 1945064 2033476 2298712 2345057 2621608 2740772 3098264 3160729 4066952 4260113 4690114 5481544 5592059 6321458 6608797 7537123 8520226 8907509 9380228 11184118 12642916 13217594 15074246 15759439 17040452 17815018 18760456 22368236 25285832 26435188 30148492 31518878 34080904 35630036 44736472 52870376 60296984 63037756 71260072 72696767 97982599 126075512 145393534 173353829 195965198 204872707 290787068 346707658 391930396 409745414 581574136 693415316 783860792 819490828 1386830632 1638981656 2253599777 4507199554 9014399108 18028798216
• Sum of all divisors σ(n): 42899351040
• Sum of proper divisors (its aliquot sum) s(n): 24870552824
• 18028798216 is an abundant number, because the sum of its proper divisors (24870552824) is greater than itself. Its abundance is 6841754608

Bases of 18028798216

• Binary: 10000110010100110011010000100001000₂
• Hexadecimal: 0x43299A108
• Base-36: 8A5VPQG

Squares and roots of 18028798216

• 18028798216 squared (18028798216²) is 325037565113244782656
• 18028798216 cubed (18028798216³) is 5860036674046651375519800541696
• The square root of 18028798216 is 134271.3603714507
• The cube root of 18028798216 is 2622.1382916697

Scales and comparisons

• 18,028,798,216 seconds is equal to 573 years, 13 weeks, 3 days, 15 hours, 30 minutes, 16 seconds.
• To count from 1 to 18,028,798,216 would take you about one thousand, one 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 18028798216 cubic inches would be around 218.5 feet tall.

Recreational maths with 18028798216

• 18028798216 backwards is 61289782081
• 18028798216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18028798216's digits is 52
• More coming soon!