1328978880

Names of 1328978880

• Cardinal: 1328978880 can be written as One billion, three hundred twenty-eight million, nine hundred seventy-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.32897888 × 10⁹

Factors of 1328978880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 153827

Divisors of 1328978880

• Number of divisors d(n): 112
• 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 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 153817 307634 461451 615268 769085 922902 1230536 1384353 1538170 1845804 2307255 2461072 2768706 3076340 3691608 4153059 4614510 4922144 5537412 6152680 6921765 7383216 8306118 9229020 9844288 11074824 12305360 13843530 14766432 16612236 18458040 20765295 22149648 24610720 27687060 29532864 33224472 36916080 41530590 44299296 49221440 55374120 66448944 73832160 83061180 88598592 110748240 132897888 147664320 166122360 221496480 265795776 332244720 442992960 664489440 1328978880
• Sum of all divisors σ(n): 4688372640
• Sum of proper divisors (its aliquot sum) s(n): 3359393760
• 1328978880 is an abundant number, because the sum of its proper divisors (3359393760) is greater than itself. Its abundance is 2030414880

Bases of 1328978880

• Binary: 1001111001101101001101111000000₂
• Hexadecimal: 0x4F369BC0
• Base-36: LZ8MO0

Squares and roots of 1328978880

• 1328978880 squared (1328978880²) is 1766184863486054400
• 1328978880 cubed (1328978880³) is 2347222381748649472131072000
• The square root of 1328978880 is 36455.1625973607
• The cube root of 1328978880 is 1099.4429355687

Scales and comparisons

• 1,328,978,880 seconds is equal to 42 years, 13 weeks, 2 days, 16 hours, 48 minutes.
• To count from 1 to 1,328,978,880 would take you about eighty-four 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 1328978880 cubic inches would be around 91.6 feet tall.

Recreational maths with 1328978880

• 1328978880 backwards is 0888798231
• 1328978880 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1328978880's digits is 54
• More coming soon!