21552457 is an odd 8-digits prime number following 21552456
and preceding 21552458 . In scientific notation, it is written as 2.1552457 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21552456 positive integers (up to 21552457) that are relatively prime to 21552457.
21552457 has 2 divisors, whose sum is 21552458
The reverse of 21552457 is 75425512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-two thousand four hundred fifty-seven
Scientific notation
2.1552457 × 10^7
Engineering notation
2.1552457 × 10^6
Prime Factorization
21552457
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21552457
Product of the distinct prime numbers
The prime factorization of 21552457 is 21552457.
Since it has a total of 1 prime factors.
8 , 5 , 61 , 17 , 879 , 208 , 6112 , 7276 , 88495 , 5971 , 89804 , 892567 , 3148818 , 620468 , 43030484 , 99973378 , 559639975 , 705066907 , 8249429759 , 5892765300
n×2
43104914
n×3
64657371
n×4
86209828
n×5
107762285
n÷2
10776228.5
n÷3
7184152.3333333
n÷3
5388114.25
n÷5
4310491.4
n2
464508402736849
n3
1.0011297376125E+22
n4
2.1576805621314E+29
n5
4.6503317535073E+36
2 √n
4642.4623854157
3 √n
278.29085116224
4 √n
68.135617597669
5 √n
29.288650217491
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21552458
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10776229
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.4624931172
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072032
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21552457 can be divided by 2 positive divisors.
The sum of these divisors (counting 21552457) is 21552458, the average is 10776229.
Base
System
Value
2
Binary
1010010001101110101001001
3
Ternary
1111112222102011
4
Quaternary
1102031311021
5
Quinary
21004134312
6
Senary
2045535521
8
Octal
122156511
10
Decimal
21552457
12
Duodecimal
72745a1
16
Hexadecimal
148dd49
20
Vigesimal
6ee12h
36
Base36
ctxzd
md5
a792df6ccf294f3782e6842bcf43ec4f
sha1
c92a382ae2c73cefd47eefe51df77bd6623250d6
sha256
428b7807044de74381994f97850e0f0d6fa1248e0c1d0fc1a900b5ebbbff5485
sha512
14889cac3cf1805ed84ce8b14eadfa1ad61828b0d550049fdc88323861f1b92adebcfdf04a36f9c3b878c7c2919323883ff37a29454c637585b2538d536da760
ripemd-160
9e238330966056d4974d9e62b2e97e9cba3d8acb
Diameter
43104914
Circumference
135418081.15602
Area
1.4592961855688E+15
Volume
4.1935224386315E+22
Surface area
5.8371847422753E+15
Circumference
135418081.15602
Perimeter
86209828
Area
464508402736849
Diagonal
30479776.991863
Surface area
2787050416421094
Volume
1.0011297376125E+22
Space diagonal
37329950.551944
Perimeter
64657371
Area
2.0113803852072E+14
Altitude
18664975.275972
Surface area
2.0113803852072E+14
Volume
1.1798427105221E+21
Height
10159925.663954