18139220000

Names of 18139220000

• Cardinal: 18139220000 can be written as Eighteen billion, one hundred thirty-nine million, two hundred twenty thousand.

Scientific notation

• Scientific notation: 1.813922 × 10¹⁰

Factors of 18139220000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2070

Divisors of 18139220000

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 41 44 50 55 80 82 88 100 110 125 160 164 176 200 205 220 250 275 328 352 400 410 440 451 500 550 625 656 800 820 880 902 1000 1025 1100 1250 1312 1375 1640 1760 1804 2000 2011 2050 2200 2255 2500 2750 3280 3608 4000 4022 4100 4400 4510 5000 5125 5500 6560 6875 7216 8044 8200 8800 9020 10000 10055 10250 11000 11275 13750 14432 16088 16400 18040 20000 20110 20500 22000 22121 22550 25625 27500 32176 32800 36080 40220 41000 44000 44242 45100 50275 51250 55000 56375 64352 72160 80440 82000 82451 88484 90200 100550 102500 110000 110605 112750 160880 164000 164902 176968 180400 201100 205000 220000 221210 225500 251375 281875 321760 329804 353936 360800 402200 410000 412255 442420 451000 502750 553025 563750 659608 707872 804400 820000 824510 884840 902000 906961 1005500 1106050 1127500 1256875 1319216 1608800 1649020 1769680 1804000 1813922 2011000 2061275 2212100 2255000 2513750 2638432 2765125 3298040 3539360 3627844 4022000 4122550 4424200 4510000 4534805 5027500 5530250 6596080 7255688 8044000 8245100 8848400 9020000 9069610 10055000 10306375 11060500 13192160 13825625 14511376 16490200 17696800 18139220 20110000 20612750 22121000 22674025 27651250 29022752 32980400 36278440 40220000 41225500 44242000 45348050 51531875 55302500 65960800 72556880 82451000 88484000 90696100 103063750 110605000 113370125 145113760 164902000 181392200 206127500 221210000 226740250 329804000 362784400 412255000 442420000 453480500 566850625 725568800 824510000 906961000 1133701250 1649020000 1813922000 2267402500 3627844000 4534805000 9069610000 18139220000
• Sum of all divisors σ(n): 49894203744
• Sum of proper divisors (its aliquot sum) s(n): 31754983744
• 18139220000 is an abundant number, because the sum of its proper divisors (31754983744) is greater than itself. Its abundance is 13615763744

Bases of 18139220000

• Binary: 10000111001001011101000100000100000₂
• Hexadecimal: 0x4392E8820
• Base-36: 8BZMFQ8

Squares and roots of 18139220000

• 18139220000 squared (18139220000²) is 329031302208400000000
• 18139220000 cubed (18139220000³) is 5968371177644653448000000000000
• The square root of 18139220000 is 134681.9215782133
• The cube root of 18139220000 is 2627.4807085789

Scales and comparisons

• 18,139,220,000 seconds is equal to 576 years, 40 weeks, 16 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,139,220,000 would take you about one thousand, one hundred fifty-three 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 18139220000 cubic inches would be around 219 feet tall.

Recreational maths with 18139220000

• 18139220000 backwards is 00002293181
• The number of decimal digits it has is: 11
• The sum of 18139220000's digits is 26
• More coming soon!