18045421100

Names of 18045421100

• Cardinal: 18045421100 can be written as Eighteen billion, forty-five million, four hundred twenty-one thousand, one hundred.

Scientific notation

• Scientific notation: 1.80454211 × 10¹⁰

Factors of 18045421100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 194

Divisors of 18045421100

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 29 35 49 50 58 70 98 100 116 140 145 151 175 196 203 245 290 302 350 406 490 580 604 700 725 755 812 841 980 1015 1057 1225 1421 1450 1510 1682 2030 2114 2450 2842 2900 3020 3364 3775 4060 4205 4228 4379 4900 5075 5285 5684 5887 7105 7399 7550 8410 8758 10150 10570 11774 14210 14798 15100 16820 17516 20300 21025 21140 21895 23548 24389 26425 28420 29435 29596 30653 35525 36995 41209 42050 43790 48778 52850 58870 61306 71050 73990 82418 84100 87580 97556 105700 109475 117740 121945 122612 126991 142100 147175 147980 153265 164836 170723 184975 206045 214571 218950 243890 253982 294350 306530 341446 369950 412090 429142 437900 487780 507964 588700 609725 613060 634955 682892 739900 766325 824180 853615 858284 888937 1030225 1072855 1195061 1219450 1269910 1532650 1707230 1777874 2060450 2145710 2390122 2438900 2539820 3065300 3174775 3414460 3555748 3682739 4120900 4268075 4291420 4444685 4780244 5364275 5975305 6222559 6349550 7365478 8536150 8889370 10728550 11950610 12445118 12699100 14730956 17072300 17778740 18413695 21457100 22223425 23901220 24890236 25779173 29876525 31112795 36827390 44446850 51558346 59753050 62225590 73654780 88893700 92068475 103116692 119506100 124451180 128895865 155563975 180454211 184136950 257791730 311127950 360908422 368273900 515583460 622255900 644479325 721816844 902271055 1288958650 1804542110 2577917300 3609084220 4511355275 9022710550 18045421100
• Sum of all divisors σ(n): 47491022880
• Sum of proper divisors (its aliquot sum) s(n): 29445601780
• 18045421100 is an abundant number, because the sum of its proper divisors (29445601780) is greater than itself. Its abundance is 11400180680

Bases of 18045421100

• Binary: 10000110011100101110100011000101100₂
• Hexadecimal: 0x43397462C
• Base-36: 8AFS018

Squares and roots of 18045421100

• 18045421100 squared (18045421100²) is 325637222676325210000
• 18045421100 cubed (18045421100³) is 5876260809028757414995931000000
• The square root of 18045421100 is 134333.2464433135
• The cube root of 18045421100 is 2622.9439307149

Scales and comparisons

• 18,045,421,100 seconds is equal to 573 years, 41 weeks, 58 minutes, 20 seconds.
• To count from 1 to 18,045,421,100 would take you about one thousand, one hundred forty-seven 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 18045421100 cubic inches would be around 218.6 feet tall.

Recreational maths with 18045421100

• 18045421100 backwards is 00112454081
• The number of decimal digits it has is: 11
• The sum of 18045421100's digits is 26
• More coming soon!