21551157 is an odd 8-digits composite number following 21551156
and preceding 21551158 . In scientific notation, it is written as 2.1551157 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 14367420 positive integers (up to 21551157) that are relatively prime to 21551157.
21551157 has 8 divisors, whose sum is 31927680
The reverse of 21551157 is 75115512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred fifty-one thousand one hundred fifty-seven
Scientific notation
2.1551157 × 10^7
Engineering notation
2.1551157 × 10^6
Prime Factorization
9 × 3 × 798191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21551157
Product of the distinct prime numbers
The prime factorization of 21551157 is 9 × 3 × 798191.
Since it has a total of 3 prime factors.
9 , 6 , 81 , 94 , 258 , 878 , 7556 , 9569 , 5160 , 60972 , 940752 , 163793 , 5288036 , 7395195 , 98497837 , 76644637 , 347744064 , 21440119 , 4710198425 , 9126578820
n×2
43102314
n×3
64653471
n×4
86204628
n×5
107755785
n÷2
10775578.5
n÷3
7183719
n÷3
5387789.25
n÷5
4310231.4
n2
464452368038649
n3
1.0009485902623E+22
n4
2.1571600217671E+29
n5
4.6489294303226E+36
2 √n
4642.3223713999
3 √n
278.28525573862
4 √n
68.134590124253
5 √n
29.288296882704
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
-21551156
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 21551157 can be divided by 8 positive divisors.
The sum of these divisors (counting 21551157) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101100000110101
3
Ternary
1111112220122000
4
Quaternary
1102031200311
5
Quinary
21004114112
6
Senary
2045525513
8
Octal
122154065
10
Decimal
21551157
12
Duodecimal
7273899
16
Hexadecimal
148d835
20
Vigesimal
6edhhh
36
Base36
ctwz9
md5
2b4007ddabe767eaffd0143ad367fd4c
sha1
018d791e26429c811be576cd848c7b315d724006
sha256
9d338c67fe3d4d6d279f7965f4f52ca42c29baca3c5e61a11708f4c846c308c1
sha512
5b6a0282ab13c5d373a4cf3a30af155f2cf06706716450ad15e267c7be07e8ecb54b43236aed6282a52e4d1f7a3e91bde85bf3a8357997f844c6c24f0caae0ee
ripemd-160
eafb9f88b037d74a4d371032fa3cccaffa9b0ea0
Diameter
43102314
Circumference
135409913.01512
Area
1.4591201473726E+15
Volume
4.1927636503853E+22
Surface area
5.8364805894904E+15
Circumference
135409913.01512
Perimeter
86204628
Area
464452368038649
Diagonal
30477938.514232
Surface area
2786714208231894
Volume
1.0009485902623E+22
Space diagonal
37327698.885894
Perimeter
64653471
Area
2.0111377478465E+14
Altitude
18663849.442947
Surface area
2.0111377478465E+14
Volume
1.1796292263226E+21
Height
10159312.838077