18235812790

Names of 18235812790

• Cardinal: 18235812790 can be written as Eighteen billion, two hundred thirty-five million, eight hundred twelve thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.823581279 × 10¹⁰

Factors of 18235812790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 722

Divisors of 18235812790

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 13 17 26 34 65 85 97 130 170 194 221 257 331 442 485 514 662 970 1105 1261 1285 1649 1655 2210 2522 2570 3298 3310 3341 4303 4369 5627 6305 6682 8245 8606 8738 11254 12610 16490 16705 21437 21515 21845 24929 28135 32107 33410 42874 43030 43690 49858 56270 56797 64214 73151 85067 107185 113594 124645 146302 160535 170134 214370 249290 283985 321070 324077 365755 417391 423793 425335 545819 567970 648154 731510 834782 847586 850670 1091638 1105871 1446139 1620385 2086955 2118965 2211742 2729095 2892278 3240770 4173910 4237930 5458190 5509309 5529355 7095647 7230695 8251499 11018618 11058710 14191294 14461390 16502998 18799807 27546545 35478235 37599614 41257495 55093090 70956470 82514990 93999035 107269487 140275483 187998070 214538974 280550966 536347435 701377415 1072694870 1402754830 1823581279 3647162558 9117906395 18235812790
• Sum of all divisors σ(n): 38076490368
• Sum of proper divisors (its aliquot sum) s(n): 19840677578
• 18235812790 is an abundant number, because the sum of its proper divisors (19840677578) is greater than itself. Its abundance is 1604864788

Bases of 18235812790

• Binary: 10000111110111100000110101110110110₂
• Hexadecimal: 0x43EF06BB6
• Base-36: 8DL4R7A

Squares and roots of 18235812790

• 18235812790 squared (18235812790²) is 332544868111927584100
• 18235812790 cubed (18235812790³) is 6064225959164352189684580639000
• The square root of 18235812790 is 135040.0414321619
• The cube root of 18235812790 is 2632.1363024843

Scales and comparisons

• 18,235,812,790 seconds is equal to 579 years, 43 weeks, 5 days, 15 hours, 33 minutes, 10 seconds.
• To count from 1 to 18,235,812,790 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 18235812790 cubic inches would be around 219.3 feet tall.

Recreational maths with 18235812790

• 18235812790 backwards is 09721853281
• The number of decimal digits it has is: 11
• The sum of 18235812790's digits is 46
• More coming soon!