91291216 is an even 8-digits composite number following 91291215
and preceding 91291217 . In scientific notation, it is written as 9.1291216 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 45132032 positive integers (up to 91291216) that are relatively prime to 91291216.
91291216 has 20 divisors, whose sum is 178866900
The reverse of 91291216 is 61219219
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
ninety-one million two hundred ninety-one thousand two hundred sixteen
Scientific notation
9.1291216 × 10^7
Engineering notation
9.1291216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 89 × 64109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
11411402
Product of the distinct prime numbers
The prime factorization of 91291216 is 2 × 2 × 2 × 2 × 89 × 64109.
Since it has a total of 6 prime factors.
8 , 3 , 29 , 83 , 337 , 24 , 4756 , 6181 , 65535 , 47472 , 404531 , 259987 , 9914125 , 9031692 , 66931978 , 28784209 , 516919907 , 914236608 , 8480742795 , 1905410612
n×2
182582432
n×3
273873648
n×4
365164864
n×5
456456080
n÷2
45645608
n÷3
30430405.333333
n÷3
22822804
n÷5
18258243.2
n2
8334086118758656
n3
7.608288560302E+23
n4
6.9456991434886E+31
n5
6.3408132077923E+39
2 √n
9554.6436877573
3 √n
450.27344039593
4 √n
97.747857714414
5 √n
39.091811719762
1 , 2 , 4 , 8 , 16 , 89 , 178 , 356 , 712 , 1424 , 64109 , 128218 , 256436 , 512872 , 1025744 , 5705701 , 11411402 , 22822804 , 45645608 , 91291216
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91291215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91291216 can be divided by 20 positive divisors.
The sum of these divisors (counting 91291216) is 1, the average is 0.05.
Base
System
Value
2
Binary
101011100001111111001010000
3
Ternary
20100210002000011
4
Quaternary
11130033321100
5
Quinary
141332304331
6
Senary
13020404304
8
Octal
534177120
10
Decimal
91291216
12
Duodecimal
266a6694
16
Hexadecimal
570fe50
20
Vigesimal
18ab80g
36
Base36
1icor4
md5
625f080d004a256f405641898f53a9bc
sha1
4d6bb1e37bfc7ae7cf3a2fda4e9e060ec1db8865
sha256
bf8611d9f98a15d7cebda3fec47bf445cfed8d14b264002fe491f920710ac4b2
sha512
2586a07db17e6b790f2def57de3cbff5171292a79aebe194dfbeb378970d0b4a0e2f08a59f7e57247e2dd08a2f2def3cd94db0d2b9a20b59218982b04da80123
ripemd-160
7bfc285915ad2375e25cf97d9da9902117791447
Diameter
182582432
Circumference
573599627.04576
Area
2.6182303725077E+16
Volume
3.1869524596581E+24
Surface area
1.0472921490031E+17
Circumference
573599627.04576
Perimeter
365164864
Area
8334086118758656
Diagonal
129105275.79273
Surface area
50004516712551936
Volume
7.608288560302E+23
Space diagonal
158121024.39674
Perimeter
273873648
Area
3.6087651480861E+15
Altitude
79060512.198372
Surface area
3.6087651480861E+15
Volume
8.9664540570226E+22
Height
43035091.930911