18232146387

Names of 18232146387

• Cardinal: 18232146387 can be written as Eighteen billion, two hundred thirty-two million, one hundred forty-six thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 1.8232146387 × 10¹⁰

Factors of 18232146387

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 52

Divisors of 18232146387

• Number of divisors d(n): 156
• Complete list of divisors:
  1 3 7 9 13 21 27 29 39 63 81 87 91 117 169 189 203 243 261 273 351 377 507 567 609 729 783 819 1053 1131 1183 1521 1701 1827 2187 2349 2457 2639 3159 3393 3549 4563 4901 5103 5481 6561 7047 7371 7917 9477 10179 10647 13689 14703 15309 16443 19683 21141 22113 23751 28431 30537 31941 34307 41067 44109 45927 49329 59049 63423 66339 71253 85293 91611 95823 102921 123201 132327 137781 147987 177147 190269 199017 213759 255879 274833 287469 308763 369603 396981 413343 443961 531441 570807 597051 641277 767637 824499 862407 926289 1108809 1190943 1240029 1331883 1712421 1791153 1923831 2302911 2473497 2587221 2778867 3326427 3572829 3720087 3995649 5137263 5373459 5771493 6908733 7420491 7761663 8336601 9979281 10718487 11986947 15411789 16120377 17314479 22261473 23284989 25009803 29937843 32155461 35960841 48361131 51943437 66784419 69854967 75029409 89813529 96466383 107882523 155830311 200353257 209564901 225088227 289399149 467490933 628694703 675264681 868197447 1402472799 2025794043 2604592341 6077382129 18232146387
• Sum of all divisors σ(n): 35011311120
• Sum of proper divisors (its aliquot sum) s(n): 16779164733
• 18232146387 is a deficient number, because the sum of its proper divisors (16779164733) is less than itself. Its deficiency is 1452981654

Bases of 18232146387

• Binary: 10000111110101110000111100111010011₂
• Hexadecimal: 0x43EB879D3
• Base-36: 8DIY66R

Squares and roots of 18232146387

• 18232146387 squared (18232146387²) is 332411161876997153769
• 18232146387 cubed (18232146387³) is 6060568964014165795498756782603
• The square root of 18232146387 is 135026.4655058407
• The cube root of 18232146387 is 2631.9598891929

Scales and comparisons

• 18,232,146,387 seconds is equal to 579 years, 37 weeks, 5 days, 5 hours, 6 minutes, 27 seconds.
• To count from 1 to 18,232,146,387 would take you about one thousand, one hundred fifty-nine 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 18232146387 cubic inches would be around 219.3 feet tall.

Recreational maths with 18232146387

• 18232146387 backwards is 78364123281
• The number of decimal digits it has is: 11
• The sum of 18232146387's digits is 45
• More coming soon!