18398459289020

Names of 18398459289020

• Cardinal: 18398459289020 can be written as Eighteen trillion, three hundred ninety-eight billion, four hundred fifty-nine million, two hundred eighty-nine thousand and twenty.

Scientific notation

• Scientific notation: 1.839845928902 × 10¹³

Factors of 18398459289020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21906

Divisors of 18398459289020

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 19 20 37 38 74 76 95 103 148 185 190 206 370 380 412 515 601 703 740 1030 1202 1406 1957 2060 2404 2812 3005 3515 3811 3914 6010 7030 7622 7828 9785 11419 12020 14060 15244 19055 19570 21139 22237 22838 38110 39140 42278 44474 45676 57095 61903 72409 76220 84556 88948 105695 111185 114190 123806 144818 211390 222370 228380 247612 289636 309515 362045 401641 422503 422780 444740 619030 724090 782143 803282 845006 1176157 1238060 1448180 1564286 1606564 1690012 2008205 2112515 2177317 2290411 2352314 3128572 3910715 4016410 4225030 4354634 4580822 4704628 5880785 7821430 8032820 8450060 8709268 9161644 10886585 11452055 11761570 12704539 14860717 15642860 21773170 22904110 23523140 25409078 29721434 41369023 43517809 43546340 45808220 50818156 59442868 63522695 74303585 80560729 82738046 87035618 127045390 148607170 161121458 165476092 174071236 206845115 217589045 241386241 254090780 297214340 322242916 402803645 413690230 435178090 470067943 482772482 805607290 827380460 870356180 940135886 965544964 1206931205 1308567517 1530653851 1611214580 1880271772 2350339715 2413862410 2617135034 3061307702 4700679430 4827724820 5234270068 6122615404 6542837585 7653269255 8931290917 9401358860 13085675170 15306538510 17862581834 24862782823 26171350340 30613077020 35725163668 44656454585 48416998129 49725565646 89312909170 96833996258 99451131292 124313914115 178625818340 193667992516 242084990645 248627828230 484169981290 497255656460 919922964451 968339962580 1839845928902 3679691857804 4599614822255 9199229644510 18398459289020
• Sum of all divisors σ(n): 42247177190400
• Sum of proper divisors (its aliquot sum) s(n): 23848717901380
• 18398459289020 is an abundant number, because the sum of its proper divisors (23848717901380) is greater than itself. Its abundance is 5450258612360

Bases of 18398459289020

• Binary: 100001011101110111001101000010101110110111100₂
• Hexadecimal: 0x10BBB9A15DBC
• Base-36: 6IS4VMJZW

Squares and roots of 18398459289020

• 18398459289020 squared (18398459289020²) is 338503304209726323892560400
• 18398459289020 cubed (18398459289020³) is 6227939261701402154053095055851406808000
• The square root of 18398459289020 is 4289342.5240962047
• The cube root of 18398459289020 is 26399.3855501601

Scales and comparisons

• 18,398,459,289,020 seconds is equal to 585,014 years, 4 weeks, 6 days, 15 hours, 50 minutes, 20 seconds.
• To count from 1 to 18,398,459,289,020 would take you about one million, four hundred sixty-two thousand, five hundred thirty-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 18398459289020 cubic inches would be around 2199.9 feet tall.

Recreational maths with 18398459289020

• 18398459289020 backwards is 02098295489381
• The number of decimal digits it has is: 14
• The sum of 18398459289020's digits is 68
• More coming soon!