20888915 is an odd 8-digits composite number following 20888914
and preceding 20888916 . In scientific notation, it is written as 2.0888915 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 16178016 positive integers (up to 20888915) that are relatively prime to 20888915.
20888915 has 16 divisors, whose sum is 25878528
The reverse of 20888915 is 51988802
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million eight hundred eighty-eight thousand nine hundred fifteen
Scientific notation
2.0888915 × 10^7
Engineering notation
2.0888915 × 10^6
Prime Factorization
5 × 47 × 103 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20888915
Product of the distinct prime numbers
The prime factorization of 20888915 is 5 × 47 × 103 × 863.
Since it has a total of 4 prime factors.
9 , 5 , 90 , 41 , 104 , 670 , 8120 , 5395 , 68511 , 94922 , 414588 , 616042 , 5072807 , 6388284 , 80526558 , 24709083 , 392391814 , 154023729 , 849395787 , 2072661205
n×2
41777830
n×3
62666745
n×4
83555660
n×5
104444575
n÷2
10444457.5
n÷3
6962971.6666667
n÷3
5222228.75
n÷5
4177783
n2
436346769877225
n3
9.1148105864899E+21
n4
1.9039850358229E+29
n5
3.9772181574576E+36
2 √n
4570.4392567892
3 √n
275.40508894087
4 √n
67.605023901994
5 √n
29.106043664863
1 , 5 , 47 , 103 , 235 , 515 , 863 , 4315 , 4841 , 24205 , 40561 , 88889 , 202805 , 444445 , 4177783 , 20888915
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
-20888914
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 20888915 can be divided by 16 positive divisors.
The sum of these divisors (counting 20888915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111101011110101010011
3
Ternary
1110022021012112
4
Quaternary
1033223311103
5
Quinary
20321421130
6
Senary
2023415535
8
Octal
117536523
10
Decimal
20888915
12
Duodecimal
6bb45ab
16
Hexadecimal
13ebd53
20
Vigesimal
6ab25f
36
Base36
cfpzn
md5
6e5373198ed8eb3537265c5884aa5faa
sha1
7637e466e679dc3eb8ca9eca94f2ec7794d3eb03
sha256
3294aa7aa3ef8d3bc3845d428715ca2b768e379697817161ffc517098620e45c
sha512
1290415f2d9f7b0e25efc9bdc162eed8d4466fac1665e9e0ffb488349383beabe45f7454980390b08f1d161fe67cff42ba58b558b8ef48ba492af389cad8ef45
ripemd-160
2b3b833b2fc09c3236c283cdacc600481bce5d46
Diameter
41777830
Circumference
131248923.81092
Area
1.3708238066639E+15
Volume
3.8180029303172E+22
Surface area
5.4832952266557E+15
Circumference
131248923.81092
Perimeter
83555660
Area
436346769877225
Diagonal
29541386.896259
Surface area
2618080619263350
Volume
9.1148105864899E+21
Space diagonal
36180662.094988
Perimeter
62666745
Area
1.8894369378648E+14
Altitude
18090331.047494
Surface area
1.8894369378648E+14
Volume
1.0741907291563E+21
Height
9847128.9654196