18188229294

Names of 18188229294

• Cardinal: 18188229294 can be written as Eighteen billion, one hundred eighty-eight million, two hundred twenty-nine thousand, two hundred ninety-four.

Scientific notation

• Scientific notation: 1.8188229294 × 10¹⁰

Factors of 18188229294

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 125

Divisors of 18188229294

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 18 19 23 27 31 38 46 47 54 57 62 69 93 94 114 138 141 171 186 207 279 282 342 414 423 437 513 529 558 589 621 713 837 846 874 893 1026 1058 1081 1178 1242 1269 1311 1426 1457 1587 1674 1767 1786 2139 2162 2538 2622 2679 2914 3174 3243 3534 3933 4278 4371 4761 5301 5358 6417 6486 7866 8037 8742 9522 9729 10051 10602 11799 12167 12834 13113 13547 14283 15903 16074 16399 19251 19458 20102 20539 23598 24111 24334 24863 26226 27094 27683 28566 29187 30153 31806 32798 33511 36501 38502 39339 40641 41078 48222 49197 49726 55366 58374 60306 61617 67022 73002 74589 78678 81282 83049 90459 98394 100533 109503 121923 123234 147591 149178 166098 180918 184851 201066 219006 223767 231173 243846 249147 271377 295182 301599 311581 328509 365769 369702 377177 442773 447534 462346 472397 498294 542754 554553 571849 603198 623162 636709 657018 671301 693519 731538 747441 754354 770753 885546 904797 934743 944794 1109106 1131531 1143698 1273418 1342602 1387038 1417191 1494882 1541506 1715547 1809594 1869486 1910127 2080557 2263062 2312259 2804229 2834382 3394593 3431094 3820254 4161114 4251573 4624518 5146641 5608458 5730381 6241671 6789186 6936777 7166363 8412687 8503146 10183779 10293282 10865131 11460762 12483342 12754719 13873554 14332726 14644307 15439923 16825374 17191143 17727319 20367558 20810331 21499089 21730262 25509438 29288614 30879846 32595393 34382286 35454638 41620662 42998178 43932921 53181957 64497267 65190786 87865842 97786179 106363914 128994534 131798763 159545871 193491801 195572358 263597526 293358537 319091742 336819061 386983602 395396289 478637613 586717074 673638122 790792578 957275226 1010457183 2020914366 3031371549 6062743098 9094114647 18188229294
• Sum of all divisors σ(n): 46891008000
• Sum of proper divisors (its aliquot sum) s(n): 28702778706
• 18188229294 is an abundant number, because the sum of its proper divisors (28702778706) is greater than itself. Its abundance is 10514549412

Bases of 18188229294

• Binary: 10000111100000110100101101010101110₂
• Hexadecimal: 0x43C1A5AAE
• Base-36: 8CSSVJI

Squares and roots of 18188229294

• 18188229294 squared (18188229294²) is 330811684851119738436
• 18188229294 cubed (18188229294³) is 6016878777206632055323272944184
• The square root of 18188229294 is 134863.7434375897
• The cube root of 18188229294 is 2629.8449259189

Scales and comparisons

• 18,188,229,294 seconds is equal to 578 years, 17 weeks, 21 hours, 54 minutes, 54 seconds.
• To count from 1 to 18,188,229,294 would take you about one thousand, one hundred fifty-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 18188229294 cubic inches would be around 219.2 feet tall.

Recreational maths with 18188229294

• 18188229294 backwards is 49292288181
• 18188229294 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18188229294's digits is 54
• More coming soon!