21551444 is an even 8-digits composite number following 21551443
and preceding 21551445 . In scientific notation, it is written as 2.1551444 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 10105856 positive integers (up to 21551444) that are relatively prime to 21551444.
21551444 has 24 divisors, whose sum is 40075560
The reverse of 21551444 is 44415512
Previous prime number is 557
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million five hundred fifty-one thousand four hundred forty-four
Scientific notation
2.1551444 × 10^7
Engineering notation
2.1551444 × 10^6
Prime Factorization
2 × 2 × 17 × 557 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10775722
Product of the distinct prime numbers
The prime factorization of 21551444 is 2 × 2 × 17 × 557 × 569.
Since it has a total of 5 prime factors.
5 , 3 , 10 , 63 , 334 , 999 , 2983 , 6728 , 62050 , 6822 , 996799 , 580250 , 6706109 , 8779999 , 30105120 , 38064239 , 174353293 , 407757136 , 1209515041 , 9756359416
n×2
43102888
n×3
64654332
n×4
86205776
n×5
107757220
n÷2
10775722
n÷3
7183814.6666667
n÷3
5387861
n÷5
4310288.8
n2
464464738485136
n3
1.0009885801437E+22
n4
2.1572749329607E+29
n5
4.6492389910305E+36
2 √n
4642.3532825497
3 √n
278.28649105534
4 √n
68.134816962767
5 √n
29.28837488962
1 , 2 , 4 , 17 , 34 , 68 , 557 , 569 , 1114 , 1138 , 2228 , 2276 , 9469 , 9673 , 18938 , 19346 , 37876 , 38692 , 316933 , 633866 , 1267732 , 5387861 , 10775722 , 21551444
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551444 can be divided by 24 positive divisors.
The sum of these divisors (counting 21551444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001101100101010100
3
Ternary
1111112221000122
4
Quaternary
1102031211110
5
Quinary
21004121234
6
Senary
2045531112
8
Octal
122154524
10
Decimal
21551444
12
Duodecimal
7273a98
16
Hexadecimal
148d954
20
Vigesimal
6edic4
36
Base36
ctx78
md5
9fea6de9c5b6afa1752c70a3eaa6dd8e
sha1
4552d25650da6a937037a031af78a05edc314816
sha256
9589e27a59d601a39c3df68c436de6a707339fb26774755a70e4bd5271fa8e7e
sha512
b766e727928e95b02b4e390f948365c13ec77217dc080a81b761dd189280f6a48a136cee171e30a51ac6e3f882b2d1360f993db05c66548636466142a1d92cab
ripemd-160
81170f228b0a2e3ed6691b52afc1b472bebb4652
Diameter
43102888
Circumference
135411716.2893
Area
1.4591590102764E+15
Volume
4.192931159609E+22
Surface area
5.8366360411056E+15
Circumference
135411716.2893
Perimeter
86205776
Area
464464738485136
Diagonal
30478344.393524
Surface area
2786788430910816
Volume
1.0009885801437E+22
Space diagonal
37328195.984475
Perimeter
64654332
Area
2.0111913134511E+14
Altitude
18664097.992238
Surface area
2.0111913134511E+14
Volume
1.1796763548498E+21
Height
10159448.131175