18128945016

Names of 18128945016

• Cardinal: 18128945016 can be written as Eighteen billion, one hundred twenty-eight million, nine hundred forty-five thousand and sixteen.

Scientific notation

• Scientific notation: 1.8128945016 × 10¹⁰

Factors of 18128945016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7908

Divisors of 18128945016

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 81 84 91 104 108 117 126 156 162 168 169 182 189 216 234 243 252 273 312 324 338 351 364 378 468 486 504 507 546 567 648 676 702 728 756 819 936 972 1014 1053 1092 1134 1183 1352 1404 1512 1521 1638 1701 1944 2028 2106 2184 2268 2366 2457 2808 3042 3159 3276 3402 3549 4056 4212 4536 4563 4732 4914 6084 6318 6552 6804 7098 7371 7883 8424 9126 9464 9828 10647 12168 12636 13608 13689 14196 14742 15766 18252 19656 21294 22113 23649 25272 27378 28392 29484 31532 31941 36504 41067 42588 44226 47298 54756 55181 58968 63064 63882 70947 82134 85176 88452 94596 95823 102479 109512 110362 127764 141894 164268 165543 176904 189192 191646 204958 212841 220724 255528 283788 287469 307437 328536 331086 383292 409916 425682 441448 496629 567576 574938 614874 638523 662172 717353 766584 819832 851364 922311 993258 1149876 1229748 1277046 1324344 1332227 1434706 1489887 1702728 1844622 1915569 1986516 2152059 2299752 2459496 2554092 2664454 2766933 2869412 2979774 3689244 3831138 3973032 3996681 4304118 4469661 5108184 5328908 5533866 5738824 5959548 6456177 7378488 7662276 7993362 8300799 8608236 8939322 9325589 10657816 11067732 11919096 11990043 12912354 13408983 15324552 15986724 16601598 17216472 17878644 18651178 19368531 22135464 23980086 24902397 25824708 26817966 27976767 31973448 33203196 35757288 35970129 37302356 38737062 47960172 49804794 51649416 53635932 55953534 58105593 66406392 71940258 74604712 77474124 83930301 95920344 99609588 107271864 107910387 111907068 116211186 143880516 154948248 167860602 174316779 199219176 215820774 223814136 232422372 251790903 287761032 323731161 335721204 348633558 431641548 464844744 503581806 647462322 671442408 697267116 755372709 863283096 1007163612 1294924644 1394534232 1510745418 2014327224 2266118127 2589849288 3021490836 4532236254 6042981672 9064472508 18128945016
• Sum of all divisors σ(n): 63020280960
• Sum of proper divisors (its aliquot sum) s(n): 44891335944
• 18128945016 is an abundant number, because the sum of its proper divisors (44891335944) is greater than itself. Its abundance is 26762390928

Bases of 18128945016

• Binary: 10000111000100100011011111101111000₂
• Hexadecimal: 0x43891BF78
• Base-36: 8BTI7I0

Squares and roots of 18128945016

• 18128945016 squared (18128945016²) is 328658647393151240256
• 18128945016 cubed (18128945016³) is 5958234547623370569573229764096
• The square root of 18128945016 is 134643.7708028113
• The cube root of 18128945016 is 2626.9845016233

Scales and comparisons

• 18,128,945,016 seconds is equal to 576 years, 23 weeks, 18 hours, 3 minutes, 36 seconds.
• To count from 1 to 18,128,945,016 would take you about one thousand, one hundred fifty-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 18128945016 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128945016

• 18128945016 backwards is 61054982181
• The number of decimal digits it has is: 11
• The sum of 18128945016's digits is 45
• More coming soon!