18091945038960

Names of 18091945038960

• Cardinal: 18091945038960 can be written as Eighteen trillion, ninety-one billion, nine hundred forty-five million, thirty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.809194503896 × 10¹³

Factors of 18091945038960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 71588916

Divisors of 18091945038960

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 81 90 104 108 117 120 130 135 144 156 162 180 195 208 216 234 240 243 260 270 312 324 351 360 390 405 432 468 486 520 540 585 624 648 702 720 780 810 936 972 1040 1053 1080 1170 1215 1296 1404 1560 1620 1755 1872 1944 2106 2160 2340 2430 2808 3120 3159 3240 3510 3888 4212 4680 4860 5265 5616 6318 6480 7020 8424 9360 9720 10530 12636 14040 15795 16848 19440 21060 25272 28080 31590 42120 50544 63180 84240 126360 252720 71588893 143177786 214766679 286355572 357944465 429533358 572711144 644300037 715888930 859066716 930655609 1073833395 1145422288 1288600074 1431777860 1718133432 1861311218 1932900111 2147666790 2577200148 2791966827 2863555720 3221500185 3436266864 3722622436 3865800222 4295333580 4653278045 5154400296 5583933654 5727111440 5798700333 6443000370 7445244872 7731600444 8375900481 8590667160 9306556090 9664500555 10308800592 11167867308 11597400666 12886000740 13959834135 14890489744 15463200888 16751800962 17181334320 17396100999 18613112180 19329001110 22335734616 23194801332 25127701443 25772001480 27919668270 28993501665 30926401776 33503601924 34792201998 37226224360 38658002220 41879502405 44671469232 46389602664 50255402886 51544002960 55839336540 57987003330 67007203848 69584403996 74452448720 75383104329 77316004440 83759004810 86980504995 92779205328 100510805772 111678673080 115974006660 125638507215 134014407696 139168807992 150766208658 154632008880 167518009620 173961009990 201021611544 223357346160 226149312987 231948013320 251277014430 278337615984 301532417316 335036019240 347922019980 376915521645 402043223088 452298625974 463896026640 502554028860 603064834632 670072038480 695844039960 753831043290 904597251948 1005108057720 1130746564935 1206129669264 1391688079920 1507662086580 1809194503896 2010216115440 2261493129870 3015324173160 3618389007792 4522986259740 6030648346320 9045972519480 18091945038960
• Sum of all divisors σ(n): 67855962711264
• Sum of proper divisors (its aliquot sum) s(n): 49764017672304
• 18091945038960 is an abundant number, because the sum of its proper divisors (49764017672304) is greater than itself. Its abundance is 31672072633344

Bases of 18091945038960

• Binary: 100000111010001011011111101010001010001110000₂
• Hexadecimal: 0x10745BF51470
• Base-36: 6EVBOYF00

Squares and roots of 18091945038960

• 18091945038960 squared (18091945038960²) is 327318475292749355917881600
• 18091945038960 cubed (18091945038960³) is 5921827865232608043457253330272667136000
• The square root of 18091945038960 is 4253462.7115986335
• The cube root of 18091945038960 is 26251.9611723971

Scales and comparisons

• 18,091,945,038,960 seconds is equal to 575,267 years, 46 weeks, 2 days, 36 minutes.
• To count from 1 to 18,091,945,038,960 would take you about one million, four hundred thirty-eight thousand, one hundred sixty-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 18091945038960 cubic inches would be around 2187.7 feet tall.

Recreational maths with 18091945038960

• 18091945038960 backwards is 06983054919081
• The number of decimal digits it has is: 14
• The sum of 18091945038960's digits is 63
• More coming soon!