18008920566

Names of 18008920566

• Cardinal: 18008920566 can be written as Eighteen billion, eight million, nine hundred twenty thousand, five hundred sixty-six.

Scientific notation

• Scientific notation: 1.8008920566 × 10¹⁰

Factors of 18008920566

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 982

Divisors of 18008920566

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 61 63 73 78 91 117 122 126 146 182 183 189 219 234 273 351 366 378 427 438 511 546 549 657 702 793 819 823 854 949 1022 1098 1281 1314 1533 1586 1638 1646 1647 1898 1971 2379 2457 2469 2562 2847 3066 3294 3843 3942 4453 4599 4758 4914 4938 5551 5694 5761 6643 7137 7407 7686 8541 8906 9198 10699 11102 11522 11529 13286 13359 13797 14274 14814 16653 17082 17283 19929 21398 21411 22221 23058 25623 26718 27594 31171 32097 33306 34566 39858 40077 42822 44442 49959 50203 51246 51849 57889 59787 60079 62342 64194 74893 80154 93513 96291 99918 100406 103698 115778 119574 120158 120231 149786 149877 150609 155547 173667 179361 180237 187026 192582 224679 240462 280539 288873 299754 301218 311094 347334 351421 358722 360474 405223 420553 449358 451827 521001 540711 561078 577746 652639 674037 702842 781027 810446 841106 841617 903654 1042002 1054263 1081422 1215669 1261659 1305278 1348074 1355481 1562054 1563003 1622133 1683234 1957917 2022111 2108526 2343081 2431338 2523318 2710962 3126006 3162789 3244266 3647007 3664819 3784977 3915834 4044222 4568473 4686162 5467189 5873751 6325578 7029243 7294014 7329638 7569954 9136946 9488367 10934378 10941021 10994457 11354931 11747502 13705419 14058486 16401567 17621253 18976734 21087729 21882042 21988914 22709862 25653733 27410838 32803134 32983371 35242506 41116257 42175458 47642647 49204701 51307466 65966742 76961199 82232514 95285294 98409402 98950113 123348771 142927941 147614103 153922398 197900226 230883597 246697542 285855882 295228206 333498529 428783823 461767194 666997058 692650791 857567646 1000495587 1286351469 1385301582 2000991174 2572702938 3001486761 6002973522 9004460283 18008920566
• Sum of all divisors σ(n): 50810081280
• Sum of proper divisors (its aliquot sum) s(n): 32801160714
• 18008920566 is an abundant number, because the sum of its proper divisors (32801160714) is greater than itself. Its abundance is 14792240148

Bases of 18008920566

• Binary: 10000110001011010100101000111110110₂
• Hexadecimal: 0x4316A51F6
• Base-36: 89U1O1I

Squares and roots of 18008920566

• 18008920566 squared (18008920566²) is 324321219952497760356
• 18008920566 cubed (18008920566³) is 5840675087992746459544107881496
• The square root of 18008920566 is 134197.3195186845
• The cube root of 18008920566 is 2621.1742578313

Scales and comparisons

• 18,008,920,566 seconds is equal to 572 years, 32 weeks, 4 days, 13 hours, 56 minutes, 6 seconds.
• To count from 1 to 18,008,920,566 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 18008920566 cubic inches would be around 218.4 feet tall.

Recreational maths with 18008920566

• 18008920566 backwards is 66502980081
• The number of decimal digits it has is: 11
• The sum of 18008920566's digits is 45
• More coming soon!