18405340506

Names of 18405340506

• Cardinal: 18405340506 can be written as Eighteen billion, four hundred five million, three hundred forty thousand, five hundred six.

Scientific notation

• Scientific notation: 1.8405340506 × 10¹⁰

Factors of 18405340506

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 960

Divisors of 18405340506

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 42 49 54 58 63 81 87 98 126 147 162 174 189 203 243 261 294 378 406 441 486 522 567 609 783 841 882 919 1134 1218 1323 1421 1566 1682 1701 1827 1838 2349 2523 2646 2757 2842 3402 3654 3969 4263 4698 5046 5481 5514 5887 6433 7047 7569 7938 8271 8526 10962 11774 11907 12789 12866 14094 15138 16443 16542 17661 19299 22707 23814 24813 25578 26651 32886 35322 38367 38598 41209 45031 45414 49329 49626 52983 53302 57897 68121 74439 76734 79953 82418 90062 98658 105966 115101 115794 123627 135093 136242 148878 158949 159906 173691 186557 204363 223317 230202 239859 247254 270186 317898 345303 347382 370881 373114 405279 408726 446634 476847 479718 521073 559671 690606 719577 741762 772879 810558 953694 1042146 1112643 1119342 1215837 1305899 1430541 1439154 1545758 1563219 1679013 2158731 2225286 2318637 2431674 2611798 2861082 3126438 3337929 3358026 3647511 3917697 4317462 4637274 5037039 5410153 6476193 6675858 6955911 7295022 7835394 10013787 10074078 10820306 10942533 11753091 12952386 13911822 15111117 16230459 20027574 20867733 21885066 23506182 30222234 32460918 35259273 37871071 41735466 45333351 48691377 62603199 70518546 75742142 90666702 97382754 105777819 113613213 125206398 146074131 187809597 211555638 227226426 292148262 317333457 340839639 375619194 438222393 634666914 681679278 876444786 1022518917 1314667179 2045037834 2629334358 3067556751 6135113502 9202670253 18405340506
• Sum of all divisors σ(n): 49877362080
• Sum of proper divisors (its aliquot sum) s(n): 31472021574
• 18405340506 is an abundant number, because the sum of its proper divisors (31472021574) is greater than itself. Its abundance is 13066681068

Bases of 18405340506

• Binary: 10001001001000010110011010101011010₂
• Hexadecimal: 0x4490B355A
• Base-36: 8GE2BMI

Squares and roots of 18405340506

• 18405340506 squared (18405340506²) is 338756559141804336036
• 18405340506 cubed (18405340506³) is 6234929819645835943969826274216
• The square root of 18405340506 is 135666.2836006057
• The cube root of 18405340506 is 2640.2676355735

Scales and comparisons

• 18,405,340,506 seconds is equal to 585 years, 12 weeks, 18 hours, 35 minutes, 6 seconds.
• To count from 1 to 18,405,340,506 would take you about one thousand, one hundred seventy 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 18405340506 cubic inches would be around 220 feet tall.

Recreational maths with 18405340506

• 18405340506 backwards is 60504350481
• The number of decimal digits it has is: 11
• The sum of 18405340506's digits is 36
• More coming soon!