21551142 is an even 8-digits composite number following 21551141
and preceding 21551143 . In scientific notation, it is written as 2.1551142 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 7174272 positive integers (up to 21551142) that are relatively prime to 21551142.
21551142 has 16 divisors, whose sum is 43158960
The reverse of 21551142 is 24115512
Previous prime number is 953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million five hundred fifty-one thousand one hundred forty-two
Scientific notation
2.1551142 × 10^7
Engineering notation
2.1551142 × 10^6
Prime Factorization
2 × 3 × 953 × 3769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551142
Product of the distinct prime numbers
The prime factorization of 21551142 is 2 × 3 × 953 × 3769.
Since it has a total of 4 prime factors.
10 , 4 , 64 , 8 , 411 , 523 , 3535 , 326 , 60846 , 74652 , 15525 , 102497 , 1827764 , 9792230 , 57174143 , 76012691 , 760855640 , 382619890 , 5565842555 , 9539504764
n×2
43102284
n×3
64653426
n×4
86204568
n×5
107755710
n÷2
10775571
n÷3
7183714
n÷3
5387785.5
n÷5
4310228.4
n2
464451721504164
n3
1.0009465002281E+22
n4
2.1571540160818E+29
n5
4.6489132516449E+36
2 √n
4642.3207558289
3 √n
278.28519117473
4 √n
68.134578268519
5 √n
29.288292805665
1 , 2 , 3 , 6 , 953 , 1906 , 2859 , 3769 , 5718 , 7538 , 11307 , 22614 , 3591857 , 7183714 , 10775571 , 21551142
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
-21551141
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 21551142 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100000100110
3
Ternary
1111112220121110
4
Quaternary
1102031200212
5
Quinary
21004114032
6
Senary
2045525450
8
Octal
122154046
10
Decimal
21551142
12
Duodecimal
7273886
16
Hexadecimal
148d826
20
Vigesimal
6edhh2
36
Base36
ctwyu
md5
aac0a28fd568ef598adb6011887927c3
sha1
ca133ec003469ffb064234151c1977a1b60911f4
sha256
d513b35c45cc1c46a97502c0488504fdc2fc5bfcd91020c50ea87230d674d4a8
sha512
6e23fdbf206140aad9ad020d1a4e706b9fc0cdec04c24361132b3788fbe1d9536f52f6827c019a862138a176be3d73a89f0367861ea8ce2690298d1c0ea4ee24
ripemd-160
f366975b1e8f7dc6d98db61f8204dacc97635edd
Diameter
43102284
Circumference
135409818.76734
Area
1.4591181162246E+15
Volume
4.1927548956706E+22
Surface area
5.8364724648985E+15
Circumference
135409818.76734
Perimeter
86204568
Area
464451721504164
Diagonal
30477917.301028
Surface area
2786710329024984
Volume
1.0009465002281E+22
Space diagonal
37327672.905132
Perimeter
64653426
Area
2.0111349482701E+14
Altitude
18663836.452566
Surface area
2.0111349482701E+14
Volume
1.1796267631937E+21
Height
10159305.767009