18045801620

Names of 18045801620

• Cardinal: 18045801620 can be written as Eighteen billion, forty-five million, eight hundred one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.804580162 × 10¹⁰

Factors of 18045801620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1340

Divisors of 18045801620

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 71 77 110 140 142 151 154 220 284 302 308 355 385 497 604 710 755 770 781 994 1057 1093 1420 1510 1540 1562 1661 1988 2114 2186 2485 3020 3124 3322 3905 4228 4372 4970 5285 5465 5467 6644 7651 7810 8305 9940 10570 10721 10930 10934 11627 12023 15302 15620 16610 21140 21442 21860 21868 23254 24046 27335 30604 33220 38255 42884 46508 48092 53605 54670 58135 60115 75047 76510 77603 84161 107210 109340 116270 117931 120230 150094 153020 155206 165043 168322 214420 232540 235862 240460 300188 310412 330086 336644 375235 388015 420805 471724 543221 589655 660172 750470 776030 825215 825517 841610 853633 1086442 1155301 1179310 1500940 1552060 1650430 1651034 1683220 1707266 1815473 2172884 2310602 2358620 2716105 3300860 3302068 3414532 3630946 4127585 4268165 4621204 5432210 5776505 5975431 7261892 8255170 8536330 9077365 10864420 11553010 11718053 11950862 12708311 16510340 17072660 18154730 23106020 23436106 23901724 25416622 29877155 36309460 46872212 50833244 58590265 59754310 63541555 82026371 117180530 119508620 127083110 128898583 164052742 234361060 254166220 257797166 328105484 410131855 515594332 644492915 820263710 902290081 1288985830 1640527420 1804580162 2577971660 3609160324 4511450405 9022900810 18045801620
• Sum of all divisors σ(n): 48274071552
• Sum of proper divisors (its aliquot sum) s(n): 30228269932
• 18045801620 is an abundant number, because the sum of its proper divisors (30228269932) is greater than itself. Its abundance is 12182468312

Bases of 18045801620

• Binary: 10000110011100111010001010010010100₂
• Hexadecimal: 0x4339D1494
• Base-36: 8AG05N8

Squares and roots of 18045801620

• 18045801620 squared (18045801620²) is 325650956108394624400
• 18045801620 cubed (18045801620³) is 5876632551295416608596811528000
• The square root of 18045801620 is 134334.6627643067
• The cube root of 18045801620 is 2622.9623670745

Scales and comparisons

• 18,045,801,620 seconds is equal to 573 years, 41 weeks, 4 days, 10 hours, 40 minutes, 20 seconds.
• To count from 1 to 18,045,801,620 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 18045801620 cubic inches would be around 218.6 feet tall.

Recreational maths with 18045801620

• 18045801620 backwards is 02610854081
• 18045801620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18045801620's digits is 35
• More coming soon!