77778216 is an even 8-digits composite number following 77778215
and preceding 77778217 . In scientific notation, it is written as 7.7778216 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors.
There are 25850112 positive integers (up to 77778216) that are relatively prime to 77778216.
77778216 has 32 divisors, whose sum is 162513000
The reverse of 77778216 is 61287777
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-seven million seven hundred seventy-eight thousand two hundred sixteen
Scientific notation
7.7778216 × 10^7
Engineering notation
7.7778216 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 389 × 2777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19444554
Product of the distinct prime numbers
The prime factorization of 77778216 is 2 × 2 × 2 × 9 × 389 × 2777.
Since it has a total of 6 prime factors.
5 , 4 , 31 , 52 , 851 , 903 , 2358 , 518 , 44028 , 27742 , 431821 , 421249 , 6556517 , 7087587 , 70272477 , 16856144 , 796423013 , 332980948 , 6229354218 , 8755620425
n×2
155556432
n×3
233334648
n×4
311112864
n×5
388891080
n÷2
38889108
n÷3
25926072
n÷3
19444554
n÷5
15555643.2
n2
6049450884142656
n3
4.7051549754824E+23
n4
3.6595855999654E+31
n5
2.846360392646E+39
2 √n
8819.1958817117
3 √n
426.8605233442
4 √n
93.910573854661
5 √n
37.859214193835
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 389 , 778 , 1556 , 2777 , 3112 , 3501 , 5554 , 7002 , 11108 , 14004 , 22216 , 24993 , 28008 , 49986 , 99972 , 199944 , 1080253 , 2160506 , 4321012 , 8642024 , 9722277 , 19444554 , 38889108 , 77778216
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77778215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77778216 can be divided by 32 positive divisors.
The sum of these divisors (counting 77778216) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101000101100110100101000
3
Ternary
12102100112122200
4
Quaternary
10220230310220
5
Quinary
124402400331
6
Senary
11415020200
8
Octal
450546450
10
Decimal
77778216
12
Duodecimal
2206a660
16
Hexadecimal
4a2cd28
20
Vigesimal
14625ag
36
Base36
1ab220
md5
84134bf2e4bc6a3fbf52ac8d2db410d3
sha1
b4745ef1f4442f7d9b5d2877e2653c1a63a69ed2
sha256
4f08ed7d5244639c73ae67e2f00baaddbbf3d92fc89794a4577a38cff2325b1a
sha512
0a075e9bc9337100c0a41c8a9cf360f0308ad8837895965676b5cf1cefec9efe7c8bd2d9c13924310bf02d56defd910d8c677a26fad2b5d07a414194654a756d
ripemd-160
12f07e877033b24a775529bd8da3e4f856ff5cca
Diameter
155556432
Circumference
488694943.98984
Area
1.9004910455875E+16
Volume
1.9708907073303E+24
Surface area
7.6019641823499E+16
Circumference
488694943.98984
Perimeter
311112864
Area
6049450884142656
Diagonal
109995007.92438
Surface area
36296705304855936
Volume
4.7051549754824E+23
Space diagonal
134715821.83407
Perimeter
233334648
Area
2.6194890723069E+15
Altitude
67357910.917033
Surface area
2.6194890723069E+15
Volume
5.545078316162E+22
Height
36665002.641461