15345438199920

Names of 15345438199920

• Cardinal: 15345438199920 can be written as Fifteen trillion, three hundred forty-five billion, four hundred thirty-eight million, one hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.534543819992 × 10¹³

Factors of 15345438199920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 13379296

Divisors of 15345438199920

• 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 36 40 45 48 54 59 60 72 80 81 90 108 118 120 135 144 162 177 180 216 236 240 243 270 295 324 354 360 405 432 472 486 531 540 590 648 708 720 810 885 944 972 1062 1080 1180 1215 1296 1416 1593 1620 1770 1944 2124 2160 2360 2430 2655 2832 3186 3240 3540 3888 4248 4720 4779 4860 5310 6372 6480 7080 7965 8496 9558 9720 10620 12744 14160 14337 15930 19116 19440 21240 23895 25488 28674 31860 38232 42480 47790 57348 63720 71685 76464 95580 114696 127440 143370 191160 229392 286740 382320 573480 1146960 13379227 26758454 40137681 53516908 66896135 80275362 107033816 120413043 133792270 160550724 200688405 214067632 240826086 267584540 321101448 361239129 401376810 481652172 535169080 602065215 642202896 722478258 789374393 802753620 963304344 1070338160 1083717387 1204130430 1444956516 1578748786 1605507240 1806195645 1926608688 2167434774 2368123179 2408260860 2889913032 3157497572 3211014480 3251152161 3612391290 3946871965 4334869548 4736246358 4816521720 5418586935 5779826064 6314995144 6502304322 7104369537 7224782580 7893743930 8669739096 9472492716 9633043440 10837173870 11840615895 12629990288 13004608644 14208739074 14449565160 15787487860 16255760805 17339478192 18944985432 21313108611 21674347740 23681231790 26009217288 28417478148 28899130320 31574975720 32511521610 35521847685 37889970864 42626217222 43348695480 47362463580 52018434576 56834956296 63149951440 63939325833 65023043220 71043695370 85252434444 86697390960 94724927160 106565543055 113669912592 127878651666 130046086440 142087390740 170504868888 189449854320 191817977499 213131086110 255757303332 260092172880 284174781480 319696629165 341009737776 383635954998 426262172220 511514606664 568349562960 639393258330 767271909996 852524344440 959089887495 1023029213328 1278786516660 1534543819992 1705048688880 1918179774990 2557573033320 3069087639984 3836359549980 5115146066640 7672719099960 15345438199920
• Sum of all divisors σ(n): 54349635150720
• Sum of proper divisors (its aliquot sum) s(n): 39004196950800
• 15345438199920 is an abundant number, because the sum of its proper divisors (39004196950800) is greater than itself. Its abundance is 23658758750880

Bases of 15345438199920

• Binary: 11011111010011100011011001001001000001110000₂
• Hexadecimal: 0xDF4E3649070
• Base-36: 5FTLHP300

Squares and roots of 15345438199920

• 15345438199920 squared (15345438199920²) is 235482473547563969888006400
• 15345438199920 cubed (15345438199920³) is 3613581744988439062579258014813439488000
• The square root of 15345438199920 is 3917325.3885680725
• The cube root of 15345438199920 is 24850.0021996065

Scales and comparisons

• 15,345,438,199,920 seconds is equal to 487,937 years, 24 weeks, 2 days, 10 hours, 12 minutes.
• To count from 1 to 15,345,438,199,920 would take you about one million, two hundred nineteen thousand, eight hundred forty-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 15345438199920 cubic inches would be around 2070.8 feet tall.

Recreational maths with 15345438199920

• 15345438199920 backwards is 02999183454351
• The number of decimal digits it has is: 14
• The sum of 15345438199920's digits is 63
• More coming soon!