9990959400

Names of 9990959400

• Cardinal: 9990959400 can be written as Nine billion, nine hundred ninety million, nine hundred fifty-nine thousand, four hundred.

Scientific notation

• Scientific notation: 9.9909594 × 10⁹

Factors of 9990959400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7216

Divisors of 9990959400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 877 900 1754 1800 2631 3508 4385 5262 6329 7016 7893 8770 10524 12658 13155 15786 17540 18987 21048 21925 25316 26310 31572 31645 35080 37974 39465 43850 50632 52620 56961 63144 63290 65775 75948 78930 87700 94935 105240 113922 126580 131550 151896 157860 158225 175400 189870 197325 227844 253160 263100 284805 315720 316450 379740 394650 455688 474675 526200 569610 632900 759480 789300 949350 1139220 1265800 1424025 1578600 1898700 2278440 2848050 3797400 5550533 5696100 11101066 11392200 16651599 22202132 27752665 33303198 44404264 49954797 55505330 66606396 83257995 99909594 111010660 133212792 138763325 166515990 199819188 222021320 249773985 277526650 333031980 399638376 416289975 499547970 555053300 666063960 832579950 999095940 1110106600 1248869925 1665159900 1998191880 2497739850 3330319800 4995479700 9990959400
• Sum of all divisors σ(n): 33596538300
• Sum of proper divisors (its aliquot sum) s(n): 23605578900
• 9990959400 is an abundant number, because the sum of its proper divisors (23605578900) is greater than itself. Its abundance is 13614619500

Bases of 9990959400

• Binary: 1001010011100000011111000100101000₂
• Hexadecimal: 0x25381F128
• Base-36: 4L8CXM0

Squares and roots of 9990959400

• 9990959400 squared (9990959400²) is 99819269732448360000
• 9990959400 cubed (9990959400³) is 997290271234540427356584000000
• The square root of 9990959400 is 99954.7867788231
• The cube root of 9990959400 is 2153.7852482057

Scales and comparisons

• 9,990,959,400 seconds is equal to 317 years, 35 weeks, 3 days, 2 hours, 30 minutes.
• To count from 1 to 9,990,959,400 would take you about six hundred thirty-five 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 9990959400 cubic inches would be around 179.5 feet tall.

Recreational maths with 9990959400

• 9990959400 backwards is 0049590999
• The number of decimal digits it has is: 10
• The sum of 9990959400's digits is 54
• More coming soon!