990678954802540

Names of 990678954802540

• Cardinal: 990678954802540 can be written as Nine hundred ninety trillion, six hundred seventy-eight billion, nine hundred fifty-four million, eight hundred two thousand, five hundred forty.

Scientific notation

• Scientific notation: 9.9067895480254 × 10¹⁴

Factors of 990678954802540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 176660

Divisors of 990678954802540

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 13219 26438 27583 52876 55166 66095 110332 132190 135851 137915 264380 271702 275830 543404 551660 679255 1358510 2717020 364619677 729239354 1458478708 1795814369 1823098385 3591628738 3646196770 3747178133 7183257476 7292393540 7494356266 8979071845 14988712532 17958143690 18735890665 35916287380 37471781330 74943562660 49533947740127 99067895480254 198135790960508 247669738700635 495339477401270 990678954802540
• Sum of all divisors σ(n): 2080673932216320
• Sum of proper divisors (its aliquot sum) s(n): 1089994977413780
• 990678954802540 is an abundant number, because the sum of its proper divisors (1089994977413780) is greater than itself. Its abundance is 99316022611240

Bases of 990678954802540

• Binary: 11100001010000010001101011001011111111110101101100₂
• Hexadecimal: 0x385046B2FFD6C
• Base-36: 9R5ZMN47E4

Squares and roots of 990678954802540

• 990678954802540 squared (990678954802540²) is 981444791488653092130390451600
• 990678954802540 cubed (990678954802540³) is 972296700228375651141904496760999179427064000
• The square root of 990678954802540 is 31475052.8959450679
• The cube root of 990678954802540 is 99688.3281089281

Scales and comparisons

• 990,678,954,802,540 seconds is equal to 31,500,526 years, 20 weeks, 2 days, 12 hours, 15 minutes, 40 seconds.
• To count from 1 to 990,678,954,802,540 would take you about seventy-eight million, seven hundred fifty-one thousand, three hundred fifteen 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 990678954802540 cubic inches would be around 8307.4 feet tall.

Recreational maths with 990678954802540

• 990678954802540 backwards is 045208459876099
• The number of decimal digits it has is: 15
• The sum of 990678954802540's digits is 76
• More coming soon!