91028131 is an odd 8-digits prime number following 91028130
and preceding 91028132 . In scientific notation, it is written as 9.1028131 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 91028130 positive integers (up to 91028131) that are relatively prime to 91028131.
91028131 has 2 divisors, whose sum is 91028132
The reverse of 91028131 is 13182019
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
ninety-one million twenty-eight thousand one hundred thirty-one
Scientific notation
9.1028131 × 10^7
Engineering notation
9.1028131 × 10^6
Prime Factorization
91028131
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
91028131
Product of the distinct prime numbers
The prime factorization of 91028131 is 91028131.
Since it has a total of 1 prime factors.
4 , 3 , 33 , 75 , 458 , 495 , 163 , 259 , 84461 , 54835 , 717074 , 304623 , 6080660 , 8485218 , 48083773 , 97219105 , 651604434 , 82410351 , 4867420615 , 3364010454
n×2
182056262
n×3
273084393
n×4
364112524
n×5
455140655
n÷2
45514065.5
n÷3
30342710.333333
n÷3
22757032.75
n÷5
18205626.2
n2
8286120633353161
n3
7.5427007449467E+23
n4
6.8659795150481E+31
n5
6.2499728273911E+39
2 √n
9540.8663652731
3 √n
449.84048832048
4 √n
97.677358508884
5 √n
39.069254576852
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
91028132
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
45514066
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9540.8664176793
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999780288
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91028131 can be divided by 2 positive divisors.
The sum of these divisors (counting 91028131) is 91028132, the average is 45514066.
Base
System
Value
2
Binary
101011011001111101010100011
3
Ternary
20100021201010021
4
Quaternary
11123033222203
5
Quinary
141300400011
6
Senary
13011014311
8
Octal
533175243
10
Decimal
91028131
12
Duodecimal
2659a397
16
Hexadecimal
56cfaa3
20
Vigesimal
188ia6b
36
Base36
1i71r7
md5
72eb37a81bee7a53063bc75048ed4230
sha1
bfeab5e424d0144e20855a9cff07be9f0d9af25e
sha256
671e9ad9b55f67dfe586ccad9611f6079de9b75f1d67c3a0bf36187164494b96
sha512
3c46e2b98ee583fcf0f725fc493ead20ca80220da592a67db3a694d07ba326111b7a28152b30356669ef746629705a580be43c9d84bc34ab16de80bda59c3d48
ripemd-160
ae5fd7f3d95dcbe1c2e6a6a089db2013d8101a6c
Diameter
182056262
Circumference
571946615.23922
Area
2.6031615708501E+16
Volume
3.1594790998068E+24
Surface area
1.04126462834E+17
Circumference
571946615.23922
Perimeter
364112524
Area
8286120633353161
Diagonal
128733217.41767
Surface area
49716723800118966
Volume
7.5427007449467E+23
Space diagonal
157665347.81004
Perimeter
273084393
Area
3.5879954836531E+15
Altitude
78832673.905018
Surface area
3.5879954836531E+15
Volume
8.8891580753544E+22
Height
42911072.472558