91020904 is an even 8-digits composite number following 91020903
and preceding 91020905 . In scientific notation, it is written as 9.1020904 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 42009600 positive integers (up to 91020904) that are relatively prime to 91020904.
91020904 has 16 divisors, whose sum is 183792420
The reverse of 91020904 is 40902019
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
ninety-one million twenty thousand nine hundred four
Scientific notation
9.1020904 × 10^7
Engineering notation
9.1020904 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 875201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22755226
Product of the distinct prime numbers
The prime factorization of 91020904 is 2 × 2 × 2 × 13 × 875201.
Since it has a total of 5 prime factors.
7 , 2 , 34 , 46 , 398 , 951 , 4809 , 8091 , 15010 , 21540 , 3660 , 696670 , 7800102 , 6069408 , 22210536 , 52309233 , 945880104 , 555811263 , 1319907812 , 6319677308
n×2
182041808
n×3
273062712
n×4
364083616
n×5
455104520
n÷2
45510452
n÷3
30340301.333333
n÷3
22755226
n÷5
18204180.8
n2
8284804964977216
n3
7.5409043737591E+23
n4
6.8637993307711E+31
n5
6.2474921996138E+39
2 √n
9540.4876185654
3 √n
449.82858327086
4 √n
97.675419725566
5 √n
39.068634191775
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 875201 , 1750402 , 3500804 , 7001608 , 11377613 , 22755226 , 45510452 , 91020904
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91020903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91020904 can be divided by 16 positive divisors.
The sum of these divisors (counting 91020904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011001101111001101000
3
Ternary
20100021100012121
4
Quaternary
11123031321220
5
Quinary
141300132104
6
Senary
13010521024
8
Octal
533157150
10
Decimal
91020904
12
Duodecimal
26596174
16
Hexadecimal
56cde68
20
Vigesimal
188hc54
36
Base36
1i6w6g
md5
6b58036bfc6c75f8b5fdb81741bbf161
sha1
9165145e65e76ef4d25b78affc93ceffa09809d4
sha256
3ee1c066e6b154d3f34c57c31aec6f3c0a6078af312c2f7810c9d1686cfe1921
sha512
17669b60553c49a6ea2632f55e2f23935410cb3dd21f42be98ae4e3b61d5b94d4e7c7f1a81186c0be19bacf3937c56d5b008f3b75b496d2e7fa49da9aab9c41d
ripemd-160
9e26961d4a4187236d48a5b63513cb6fac28e269
Diameter
182041808
Circumference
571901206.659
Area
2.6027482414397E+16
Volume
3.1587266376033E+24
Surface area
1.0410992965759E+17
Circumference
571901206.659
Perimeter
364083616
Area
8284804964977216
Diagonal
128722996.89626
Surface area
49708829789863296
Volume
7.5409043737591E+23
Space diagonal
157652830.27885
Perimeter
273062712
Area
3.5874257825349E+15
Altitude
78826415.139425
Surface area
3.5874257825349E+15
Volume
8.8870410316073E+22
Height
42907665.632087