1815440973120

Names of 1815440973120

• Cardinal: 1815440973120 can be written as One trillion, eight hundred fifteen billion, four hundred forty million, nine hundred seventy-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.81544097312 × 10¹²

Factors of 1815440973120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8379

Divisors of 1815440973120

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 2160 2592 2880 3240 4320 5184 6480 8369 8640 12960 16738 25107 25920 33476 41845 50214 66952 75321 83690 100428 125535 133904 150642 167380 200856 225963 251070 267808 301284 334760 376605 401712 451926 502140 535616 602568 669520 677889 753210 803424 903852 1004280 1129815 1205136 1339040 1355778 1506420 1606848 1807704 2008560 2259630 2410272 2678080 2711556 3012840 3389445 3615408 4017120 4519260 4820544 5423112 6025680 6778890 7230816 8034240 9038520 10846224 12051360 13557780 14461632 18077040 21692448 24102720 27115560 36154080 43384896 54231120 70040161 72308160 108462240 140080322 210120483 216924480 280160644 350200805 420240966 560321288 630361449 700401610 840481932 1050602415 1120642576 1260722898 1400803220 1680963864 1891084347 2101204830 2241285152 2521445796 2801606440 3151807245 3361927728 3782168694 4202409660 4482570304 5042891592 5603212880 5673253041 6303614490 6723855456 7564337388 8404819320 9455421735 10085783184 11206425760 11346506082 12607228980 13447710912 15128674776 16809638640 18910843470 20171566368 22412851520 22693012164 25214457960 28366265205 30257349552 33619277280 37821686940 40343132736 45386024328 50428915920 56732530410 60514699104 67238554560 75643373880 90772048656 100857831840 113465060820 121029398208 151286747760 181544097312 201715663680 226930121640 302573495520 363088194624 453860243280 605146991040 907720486560 1815440973120
• Sum of all divisors σ(n): 6458614655262
• Sum of proper divisors (its aliquot sum) s(n): 4643173682142
• 1815440973120 is an abundant number, because the sum of its proper divisors (4643173682142) is greater than itself. Its abundance is 2827732709022

Bases of 1815440973120

• Binary: 11010011010110000101101101101110101000000₂
• Hexadecimal: 0x1A6B0B6DD40
• Base-36: N602OK00

Squares and roots of 1815440973120

• 1815440973120 squared (1815440973120²) is 3295825926882892562534400
• 1815440973120 cubed (1815440973120³) is 5983377427934404442007861589475328000
• The square root of 1815440973120 is 1347383.0090660933
• The cube root of 1815440973120 is 12199.0883783575

Scales and comparisons

• 1,815,440,973,120 seconds is equal to 57,725 years, 21 weeks, 1 day, 7 hours, 12 minutes.
• To count from 1 to 1,815,440,973,120 would take you about one hundred forty-four thousand, three hundred thirteen 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 1815440973120 cubic inches would be around 1016.6 feet tall.

Recreational maths with 1815440973120

• 1815440973120 backwards is 0213790445181
• 1815440973120 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1815440973120's digits is 45
• More coming soon!