18141271920

Names of 18141271920

• Cardinal: 18141271920 can be written as Eighteen billion, one hundred forty-one million, two hundred seventy-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.814127192 × 10¹⁰

Factors of 18141271920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 30144

Divisors of 18141271920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 81 90 93 108 120 124 135 144 155 162 180 186 216 240 243 248 270 279 310 324 360 372 405 432 465 486 496 540 558 620 648 720 744 810 837 930 972 1080 1116 1215 1240 1296 1395 1488 1620 1674 1860 1944 2160 2232 2430 2480 2511 2790 3240 3348 3720 3888 4185 4464 4860 5022 5580 6480 6696 7440 7533 8370 9720 10044 11160 12555 13392 15066 16740 19440 20088 22320 25110 30103 30132 33480 37665 40176 50220 60206 60264 66960 75330 90309 100440 120412 120528 150515 150660 180618 200880 240824 270927 301030 301320 361236 451545 481648 541854 602060 602640 722472 812781 903090 933193 1083708 1204120 1354635 1444944 1625562 1806180 1866386 2167416 2408240 2438343 2709270 2799579 3251124 3612360 3732772 4063905 4334832 4665965 4876686 5418540 5599158 6502248 7224720 7315029 7465544 8127810 8398737 9331930 9753372 10837080 11198316 12191715 13004496 13997895 14630058 14931088 16255620 16797474 18663860 19506744 21674160 22396632 24383430 25196211 27995790 29260116 32511240 33594948 36575145 37327720 39013488 41993685 44793264 48766860 50392422 55991580 58520232 65022480 67189896 73150290 74655440 75588633 83987370 97533720 100784844 111983160 117040464 125981055 134379792 146300580 151177266 167974740 195067440 201569688 223966320 226765899 251962110 292601160 302354532 335949480 377943165 403139376 453531798 503924220 585202320 604709064 671898960 755886330 907063596 1007848440 1133829495 1209418128 1511772660 1814127192 2015696880 2267658990 3023545320 3628254384 4535317980 6047090640 9070635960 18141271920
• Sum of all divisors σ(n): 65221158912
• Sum of proper divisors (its aliquot sum) s(n): 47079886992
• 18141271920 is an abundant number, because the sum of its proper divisors (47079886992) is greater than itself. Its abundance is 28938615072

Bases of 18141271920

• Binary: 10000111001010011011101011101110000₂
• Hexadecimal: 0x4394DD770
• Base-36: 8C0UF00

Squares and roots of 18141271920

• 18141271920 squared (18141271920²) is 329105746875380486400
• 18141271920 cubed (18141271920³) is 5970396844500967757244261888000
• The square root of 18141271920 is 134689.5390147283
• The cube root of 18141271920 is 2627.5797789345

Scales and comparisons

• 18,141,271,920 seconds is equal to 576 years, 43 weeks, 3 days, 10 hours, 12 minutes.
• To count from 1 to 18,141,271,920 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 18141271920 cubic inches would be around 219 feet tall.

Recreational maths with 18141271920

• 18141271920 backwards is 02917214181
• 18141271920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18141271920's digits is 36
• More coming soon!