21556429 is an odd 8-digits prime number following 21556428
and preceding 21556430 . In scientific notation, it is written as 2.1556429 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21556428 positive integers (up to 21556429) that are relatively prime to 21556429.
21556429 has 2 divisors, whose sum is 21556430
The reverse of 21556429 is 92465512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred fifty-six thousand four hundred twenty-nine
Scientific notation
2.1556429 × 10^7
Engineering notation
2.1556429 × 10^6
Prime Factorization
21556429
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21556429
Product of the distinct prime numbers
The prime factorization of 21556429 is 21556429.
Since it has a total of 1 prime factors.
3 , 1 , 75 , 96 , 969 , 74 , 3092 , 2715 , 32018 , 85449 , 749632 , 794854 , 7152947 , 5368874 , 59013030 , 75784596 , 689225160 , 955830039 , 726350194 , 2923525190
n×2
43112858
n×3
64669287
n×4
86225716
n×5
107782145
n÷2
10778214.5
n÷3
7185476.3333333
n÷3
5389107.25
n÷5
4311285.8
n2
464679631232041
n3
1.00168334784E+22
n4
2.1592715968195E+29
n5
4.6546184868555E+36
2 √n
4642.8901559266
3 √n
278.30794593962
4 √n
68.138756636195
5 √n
29.289729685541
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21556430
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10778215
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.8902636181
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072203
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556429 can be divided by 2 positive divisors.
The sum of these divisors (counting 21556429) is 21556430, the average is 10778215.
Base
System
Value
2
Binary
1010010001110110011001101
3
Ternary
1111120011212021
4
Quaternary
1102032303031
5
Quinary
21004301204
6
Senary
2050010141
8
Octal
122166315
10
Decimal
21556429
12
Duodecimal
7276951
16
Hexadecimal
148eccd
20
Vigesimal
6eeb19
36
Base36
cu11p
md5
3756c6a0705df4b14540815ce3fdaeff
sha1
6c8964480ad8c7ff2fb800cf9b44ad9d7ba0e4cb
sha256
5c49647ad6bb9992af00f9e0139a111a2f15f4c55f40795664afc2ad11b251bd
sha512
ef70036d9fd0a66b90351147112d8f1dfec0e64f5c079f743cd512e1f2c38c993279026eb80f1623c1039f81d0232395618bafa4b2edf5cccaae3d0451e74267
ripemd-160
f818dacfe115093ee630ae09c4949350362569f5
Diameter
43112858
Circumference
135443037.96806
Area
1.4598341157514E+15
Volume
4.1958413957297E+22
Surface area
5.8393364630056E+15
Circumference
135443037.96806
Perimeter
86225716
Area
464679631232041
Diagonal
30485394.248133
Surface area
2788077787392246
Volume
1.00168334784E+22
Space diagonal
37336830.257751
Perimeter
64669287
Area
2.0121218263407E+14
Altitude
18668415.128876
Surface area
2.0121218263407E+14
Volume
1.1804951464321E+21
Height
10161798.082711