18529345890

Names of 18529345890

• Cardinal: 18529345890 can be written as Eighteen billion, five hundred twenty-nine million, three hundred forty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.852934589 × 10¹⁰

Factors of 18529345890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9693

Divisors of 18529345890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 59 66 90 99 110 118 121 135 165 177 198 242 270 295 297 330 354 363 495 531 590 594 605 649 726 885 990 1062 1089 1210 1298 1485 1593 1770 1815 1947 2178 2655 2970 3186 3245 3267 3630 3894 5310 5445 5841 6490 6534 7139 7965 9613 9735 10890 11682 14278 15930 16335 17523 19226 19470 21417 28839 29205 32670 35046 35695 42834 48065 57678 58410 64251 71390 86517 87615 96130 105743 107085 128502 144195 173034 175230 192753 211486 214170 259551 288390 317229 321255 385506 432585 519102 528715 567167 634458 642510 865170 951687 963765 1057430 1134334 1163173 1297755 1586145 1701501 1903374 1927530 2326346 2595510 2835835 2855061 3172290 3403002 3489519 4758435 5104503 5671670 5710122 5815865 6238837 6979038 8507505 9516870 10209006 10468557 11631730 12477674 14275305 15313509 17015010 17447595 18716511 20937114 25522515 28550610 30627018 31194185 31405671 34895190 37433022 51045030 52342785 56149533 62388370 62811342 68627207 76567545 93582555 104685570 112299066 137254414 153135090 157028355 168448599 187165110 205881621 280747665 314056710 336897198 343136035 411763242 561495330 617644863 686272070 842242995 1029408105 1235289726 1684485990 1852934589 2058816210 3088224315 3705869178 6176448630 9264672945 18529345890
• Sum of all divisors σ(n): 55238198400
• Sum of proper divisors (its aliquot sum) s(n): 36708852510
• 18529345890 is an abundant number, because the sum of its proper divisors (36708852510) is greater than itself. Its abundance is 18179506620

Bases of 18529345890

• Binary: 10001010000011011110110000101100010₂
• Hexadecimal: 0x4506F6162
• Base-36: 8IFW6SI

Squares and roots of 18529345890

• 18529345890 squared (18529345890²) is 343336659111259892100
• 18529345890 cubed (18529345890³) is 6361803713389554534404978469000
• The square root of 18529345890 is 136122.5399777715
• The cube root of 18529345890 is 2646.1839409151

Scales and comparisons

• 18,529,345,890 seconds is equal to 589 years, 9 weeks, 1 day, 31 minutes, 30 seconds.
• To count from 1 to 18,529,345,890 would take you about one thousand, one hundred seventy-eight 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 18529345890 cubic inches would be around 220.5 feet tall.

Recreational maths with 18529345890

• 18529345890 backwards is 09854392581
• 18529345890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18529345890's digits is 54
• More coming soon!