18165551040

Names of 18165551040

• Cardinal: 18165551040 can be written as Eighteen billion, one hundred sixty-five million, five hundred fifty-one thousand and forty.

Scientific notation

• Scientific notation: 1.816555104 × 10¹⁰

Factors of 18165551040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 69343

Divisors of 18165551040

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 112 117 120 126 130 140 144 156 160 168 180 182 192 195 208 210 224 234 240 252 260 273 280 288 312 315 320 336 360 364 390 416 420 448 455 468 480 504 520 546 560 576 585 624 630 672 720 728 780 819 832 840 910 936 960 1008 1040 1092 1120 1170 1248 1260 1344 1365 1440 1456 1560 1638 1680 1820 1872 2016 2080 2184 2240 2340 2496 2520 2730 2880 2912 3120 3276 3360 3640 3744 4032 4095 4160 4368 4680 5040 5460 5824 6240 6552 6720 7280 7488 8190 8736 9360 10080 10920 12480 13104 14560 16380 17472 18720 20160 21840 26208 29120 32760 37440 43680 52416 65520 69313 87360 131040 138626 207939 262080 277252 346565 415878 485191 554504 623817 693130 831756 901069 970382 1039695 1109008 1247634 1386260 1455573 1663512 1802138 1940764 2079390 2218016 2425955 2495268 2703207 2772520 2911146 3119085 3327024 3604276 3881528 4158780 4366719 4436032 4505345 4851910 4990536 5406414 5545040 5822292 6238170 6307483 6654048 7208552 7277865 7763056 8109621 8317560 8733438 9010690 9703820 9981072 10812828 11090080 11644584 12476340 12614966 13308096 13516035 14417104 14555730 15526112 16219242 16635120 17466876 18021380 18922449 19407640 19962144 21625656 21833595 22180160 23289168 24952680 25229932 27032070 28834208 29111460 31052224 31537415 32438484 33270240 34933752 36042760 37844898 38815280 39924288 40548105 43251312 43667190 46578336 49905360 50459864 54064140 56767347 57668416 58222920 63074830 64876968 66540480 69867504 72085520 75689796 77630560 81096210 86502624 87334380 93156672 94612245 99810720 100919728 108128280 113534694 116445840 126149660 129753936 139735008 144171040 151379592 155261120 162192420 173005248 174668760 189224490 199621440 201839456 216256560 227069388 232891680 252299320 259507872 279470016 283836735 288342080 302759184 324384840 349337520 378448980 403678912 432513120 454138776 465783360 504598640 519015744 567673470 605518368 648769680 698675040 756897960 865026240 908277552 1009197280 1135346940 1211036736 1297539360 1397350080 1513795920 1816555104 2018394560 2270693880 2595078720 3027591840 3633110208 4541387760 6055183680 9082775520 18165551040
• Sum of all divisors σ(n): 76901942208
• Sum of proper divisors (its aliquot sum) s(n): 58736391168
• 18165551040 is an abundant number, because the sum of its proper divisors (58736391168) is greater than itself. Its abundance is 40570840128

Bases of 18165551040

• Binary: 10000111010110000000100111111000000₂
• Hexadecimal: 0x43AC04FC0
• Base-36: 8CFASW0

Squares and roots of 18165551040

• 18165551040 squared (18165551040²) is 329987244586845081600
• 18165551040 cubed (18165551040³) is 5994400134091298042377764864000
• The square root of 18165551040 is 134779.6388183319
• The cube root of 18165551040 is 2628.7514513937

Scales and comparisons

• 18,165,551,040 seconds is equal to 577 years, 31 weeks, 4 days, 10 hours, 24 minutes.
• To count from 1 to 18,165,551,040 would take you about one thousand, one hundred fifty-five 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 18165551040 cubic inches would be around 219.1 feet tall.

Recreational maths with 18165551040

• 18165551040 backwards is 04015556181
• 18165551040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18165551040's digits is 36
• More coming soon!