7990921949929814

Names of 7990921949929814

• Cardinal: 7990921949929814 can be written as Seven quadrillion, nine hundred ninety trillion, nine hundred twenty-one billion, nine hundred forty-nine million, nine hundred twenty-nine thousand, eight hundred fourteen.

Scientific notation

• Scientific notation: 7.990921949929814 × 10¹⁵

Factors of 7990921949929814

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1205

Divisors of 7990921949929814

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 14 49 98 409 787 818 1574 2863 5509 5726 11018 20041 38563 40082 77126 167281 321883 334562 619369 643766 1170967 1238738 2253181 2341934 4335583 4506362 8196769 8671166 15772267 16393538 30349081 31544534 60698162 131650147 253321921 263300294 487443403 506643842 921551029 974886806 1773253447 1843102058 3412103821 3546506894 6450857203 6824207642 12412774129 12901714406 23884726747 24825548258 47769453494 103608665689 199364351827 207217331378 398728703654 725260659823 1395550462789 1450521319646 2791100925578 5076824618761 9768853239523 10153649237522 19537706479046 81540019897243 163080039794486 570780139280701 1141560278561402 3995460974964907 7990921949929814
• Sum of all divisors σ(n): 13995301161233160
• Sum of proper divisors (its aliquot sum) s(n): 6004379211303346
• 7990921949929814 is a deficient number, because the sum of its proper divisors (6004379211303346) is less than itself. Its deficiency is 1986542738626468

Bases of 7990921949929814

• Binary: 11100011000111011001110000000010000001110000101010110₂
• Hexadecimal: 0x1C63B38040E156
• Base-36: 26OJMV5HWT2

Squares and roots of 7990921949929814

• 7990921949929814 squared (7990921949929814²) is 63854833609870100804039526074596
• 7990921949929814 cubed (7990921949929814³) is 510258991502227009811969754682054195605128405144
• The square root of 7990921949929814 is 89391956.8525592461
• The cube root of 7990921949929814 is 199924.3209497673

Scales and comparisons

• 7,990,921,949,929,814 seconds is equal to 254,086,600 years, 24 weeks, 15 hours, 10 minutes, 14 seconds.
• To count from 1 to 7,990,921,949,929,814 would take you about seven hundred sixty-two million, two hundred fifty-nine thousand, eight hundred one 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 7990921949929814 cubic inches would be around 16660.4 feet tall.

Recreational maths with 7990921949929814

• 7990921949929814 backwards is 4189299491290997
• The number of decimal digits it has is: 16
• The sum of 7990921949929814's digits is 92
• More coming soon!