21551671 is an odd 8-digits prime number following 21551670
and preceding 21551672 . In scientific notation, it is written as 2.1551671 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21551670 positive integers (up to 21551671) that are relatively prime to 21551671.
21551671 has 2 divisors, whose sum is 21551672
The reverse of 21551671 is 17615512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred fifty-one thousand six hundred seventy-one
Scientific notation
2.1551671 × 10^7
Engineering notation
2.1551671 × 10^6
Prime Factorization
21551671
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21551671
Product of the distinct prime numbers
The prime factorization of 21551671 is 21551671.
Since it has a total of 1 prime factors.
6 , 10 , 94 , 40 , 163 , 619 , 8123 , 533 , 86384 , 45110 , 395728 , 759102 , 1641347 , 9891101 , 38110073 , 52681479 , 672680515 , 689712241 , 1614833701 , 7167713910
n×2
43103342
n×3
64655013
n×4
86206684
n×5
107758355
n÷2
10775835.5
n÷3
7183890.3333333
n÷3
5387917.75
n÷5
4310334.2
n2
464474522892241
n3
1.0010202105256E+22
n4
2.1573658241597E+29
n5
4.6494838468935E+36
2 √n
4642.3777312924
3 √n
278.28746810993
4 √n
68.13499637699
5 √n
29.288436587881
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21551672
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10775836
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.3778389959
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999071998
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551671 can be divided by 2 positive divisors.
The sum of these divisors (counting 21551671) is 21551672, the average is 10775836.
Base
System
Value
2
Binary
1010010001101101000110111
3
Ternary
1111112221100001
4
Quaternary
1102031220313
5
Quinary
21004123141
6
Senary
2045532131
8
Octal
122155067
10
Decimal
21551671
12
Duodecimal
7274047
16
Hexadecimal
148da37
20
Vigesimal
6edj3b
36
Base36
ctxdj
md5
2c13cabc0b8b5560eb2477a24f169153
sha1
a7be414e3de95d562c08708ed7effae440adabc1
sha256
4a8388b44568cd78dd07c0cb206709e72f888f71bc45d677ba98aee7ca6be209
sha512
fbb144e2c2b40bbb75baaec4c1afe61a9092c141bd38532fa30170e0744ceebd6ee5f2ed2c1601edc96fe78b6e00bf0828b970a04c54b78893abfa18736a7922
ripemd-160
4ae6d7f7d47b1890bfc962591be6b3b573069246
Diameter
43103342
Circumference
135413142.57237
Area
1.4591897488979E+15
Volume
4.1930636526427E+22
Surface area
5.8367589955916E+15
Circumference
135413142.57237
Perimeter
86206684
Area
464474522892241
Diagonal
30478665.420003
Surface area
2786847137353446
Volume
1.0010202105256E+22
Space diagonal
37328589.160009
Perimeter
64655013
Area
2.0112336811767E+14
Altitude
18664294.580004
Surface area
2.0112336811767E+14
Volume
1.1797136316123E+21
Height
10159555.140001