18964819856400

Names of 18964819856400

• Cardinal: 18964819856400 can be written as Eighteen trillion, nine hundred sixty-four billion, eight hundred nineteen million, eight hundred fifty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.89648198564 × 10¹³

Factors of 18964819856400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 130611728

Divisors of 18964819856400

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 75 80 88 100 110 120 121 132 150 165 176 200 220 240 242 264 275 300 330 363 400 440 484 528 550 600 605 660 726 825 880 968 1100 1200 1210 1320 1452 1650 1815 1936 2200 2420 2640 2904 3025 3300 3630 4400 4840 5808 6050 6600 7260 9075 9680 12100 13200 14520 18150 24200 29040 36300 48400 72600 145200 130611707 261223414 391835121 522446828 653058535 783670242 1044893656 1306117070 1436728777 1567340484 1959175605 2089787312 2612234140 2873457554 3134680968 3265292675 3918351210 4310186331 5224468280 5746915108 6269361936 6530585350 7183643885 7836702420 8620372662 9795878025 10448936560 11493830216 13061170700 14367287770 15673404840 15804016547 17240745324 19591756050 21550931655 22987660432 26122341400 28734575540 31346809680 31608033094 34481490648 35918219425 39183512100 43101863310 47412049641 52244682800 57469151080 63216066188 68962981296 71836438850 78367024200 79020082735 86203726620 94824099282 107754658275 114938302160 126432132376 143672877700 156734048400 158040165470 172407453240 189648198564 215509316550 237060248205 252864264752 287345755400 316080330940 344814906480 379296397128 395100413675 431018633100 474120496410 574691510800 632160661880 758592794256 790200827350 862037266200 948240992820 1185301241025 1264321323760 1580401654700 1724074532400 1896481985640 2370602482050 3160803309400 3792963971280 4741204964100 6321606618800 9482409928200 18964819856400
• Sum of all divisors σ(n): 66775496938416
• Sum of proper divisors (its aliquot sum) s(n): 47810677082016
• 18964819856400 is an abundant number, because the sum of its proper divisors (47810677082016) is greater than itself. Its abundance is 28845857225616

Bases of 18964819856400

• Binary: 100010011111110010111010110011100110000010000₂
• Hexadecimal: 0x113F9759CC10
• Base-36: 6Q0BG32MO

Squares and roots of 18964819856400

• 18964819856400 squared (18964819856400²) is 359664392185703716620960000
• 18964819856400 cubed (18964819856400³) is 6820970406563470841180460920430144000000
• The square root of 18964819856400 is 4354861.6345872575
• The cube root of 18964819856400 is 26667.5370570557

Scales and comparisons

• 18,964,819,856,400 seconds is equal to 603,022 years, 31 weeks, 4 days, 19 hours, 40 minutes.
• To count from 1 to 18,964,819,856,400 would take you about one million, five hundred seven thousand, five hundred fifty-six 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 18964819856400 cubic inches would be around 2222.3 feet tall.

Recreational maths with 18964819856400

• 18964819856400 backwards is 00465891846981
• The number of decimal digits it has is: 14
• The sum of 18964819856400's digits is 69
• More coming soon!