28931577 is an odd 8-digits composite number following 28931576
and preceding 28931578 . In scientific notation, it is written as 2.8931577 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 19015920 positive integers (up to 28931577) that are relatively prime to 28931577.
28931577 has 8 divisors, whose sum is 39119040
The reverse of 28931577 is 77513982
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand five hundred seventy-seven
Scientific notation
2.8931577 × 10^7
Engineering notation
2.8931577 × 10^6
Prime Factorization
3 × 71 × 135829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28931577
Product of the distinct prime numbers
The prime factorization of 28931577 is 3 × 71 × 135829.
Since it has a total of 3 prime factors.
4 , 9 , 69 , 29 , 166 , 41 , 3587 , 844 , 21830 , 29154 , 33062 , 417828 , 4680406 , 2253255 , 3830663 , 18770653 , 469668364 , 269823410 , 3958494858 , 4046431184
n×2
57863154
n×3
86794731
n×4
115726308
n×5
144657885
n÷2
14465788.5
n÷3
9643859
n÷3
7232894.25
n÷5
5786315.4
n2
837036147706929
n3
2.4216775759166E+22
n4
7.0062951256806E+29
n5
2.0270316691335E+37
2 √n
5378.8081393558
3 √n
306.98986339508
4 √n
73.340358189443
5 √n
31.065219125683
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931576
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931577 can be divided by 8 positive divisors.
The sum of these divisors (counting 28931577) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010111010111111001
3
Ternary
2000102212122220
4
Quaternary
1232113113321
5
Quinary
24401302302
6
Senary
2512034253
8
Octal
156272771
10
Decimal
28931577
12
Duodecimal
9832989
16
Hexadecimal
1b975f9
20
Vigesimal
90g8ih
36
Base36
h83qx
md5
02ba8319865e6030dedd747b7d3a8865
sha1
8970ad9b40afc91eab7a73caa5d8e589df162e11
sha256
7a2d947338b98e3b189ed589f74d4e530687fe50bf02062b84039d0cdcb0a36b
sha512
7f0cb5e64d70004aee8a60b9e2669513a3f5d2acd103036829eea1af1b03b10ef3750aab8de8f823865764058023fc1b1cf9808922cd8b507f2eadf0fc133948
ripemd-160
e04307ce44c2fc8955244389c4e85e0d8458ab2b
Diameter
57863154
Circumference
181782459.51993
Area
2.6296266124252E+15
Volume
1.014389930915E+23
Surface area
1.0518506449701E+16
Circumference
181782459.51993
Perimeter
115726308
Area
837036147706929
Diagonal
40915428.574242
Surface area
5022216886241574
Volume
2.4216775759166E+22
Space diagonal
50110961.307091
Perimeter
86794731
Area
3.6244728390003E+14
Altitude
25055480.653546
Surface area
3.6244728390003E+14
Volume
2.8539743929634E+21
Height
13638476.191414