28690639 is an odd 8-digits prime number following 28690638
and preceding 28690640 . In scientific notation, it is written as 2.8690639 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 28690638 positive integers (up to 28690639) that are relatively prime to 28690639.
28690639 has 2 divisors, whose sum is 28690640
The reverse of 28690639 is 93609682
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred ninety thousand six hundred thirty-nine
Scientific notation
2.8690639 × 10^7
Engineering notation
2.8690639 × 10^6
Prime Factorization
28690639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28690639
Product of the distinct prime numbers
The prime factorization of 28690639 is 28690639.
Since it has a total of 1 prime factors.
10 , 2 , 1 , 91 , 823 , 825 , 9256 , 6883 , 27334 , 71445 , 442692 , 257538 , 9359588 , 6496945 , 63048779 , 66114480 , 123617022 , 817695487 , 6367787751 , 8006690712
n×2
57381278
n×3
86071917
n×4
114762556
n×5
143453195
n÷2
14345319.5
n÷3
9563546.3333333
n÷3
7172659.75
n÷5
5738127.8
n2
823152766228321
n3
2.3616778857708E+22
n4
6.7758047654934E+29
n5
1.9440216846125E+37
2 √n
5356.3643453372
3 √n
306.13529765302
4 √n
73.187187029816
5 √n
31.013304568895
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28690640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14345320
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5356.3644386841
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999302909
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28690639 can be divided by 2 positive divisors.
The sum of these divisors (counting 28690639) is 28690640, the average is 14345320.
Base
System
Value
2
Binary
1101101011100100011001111
3
Ternary
1222222122011021
4
Quaternary
1231130203033
5
Quinary
24321100024
6
Senary
2502535011
8
Octal
155344317
10
Decimal
28690639
12
Duodecimal
9737467
16
Hexadecimal
1b5c8cf
20
Vigesimal
8j66bj
36
Base36
h2xu7
md5
17e3061a82b5d657f9b9b444c69d7c64
sha1
35b1cbbb4dea550eeb5ec858c8fe2643ec57b2aa
sha256
c47818bcdf58d712bdcb9b405580af9bd0aed82226681ac3bf329231ed6acb92
sha512
05aaf6c927f6a6a4439b907146e5cc008cabc3b9ac1970549690b8089dcb01e515e2d9d0c3f417867df7e4387fe18ef17369026bd2065c8d0f7d6549041ddda4
ripemd-160
af5606242c7c536462865107acea318e31c94b8d
Diameter
57381278
Circumference
180268601.41839
Area
2.586010683165E+15
Volume
9.8925731947774E+22
Surface area
1.034404273266E+16
Circumference
180268601.41839
Perimeter
114762556
Area
823152766228321
Diagonal
40574690.78695
Surface area
4938916597369926
Volume
2.3616778857708E+22
Space diagonal
49693644.449617
Perimeter
86071917
Area
3.5643560337458E+14
Altitude
24846822.224809
Surface area
3.5643560337458E+14
Volume
2.7832640800114E+21
Height
13524896.928983