21452661 is an odd 8-digits composite number following 21452660
and preceding 21452662 . In scientific notation, it is written as 2.1452661 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14301756 positive integers (up to 21452661) that are relatively prime to 21452661.
21452661 has 4 divisors, whose sum is 22247232
The reverse of 21452661 is 16625412
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred fifty-two thousand six hundred sixty-one
Scientific notation
2.1452661 × 10^7
Engineering notation
2.1452661 × 10^6
Prime Factorization
27 × 794543
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21452661
Product of the distinct prime numbers
The prime factorization of 21452661 is 27 × 794543.
Since it has a total of 2 prime factors.
4 , 7 , 28 , 93 , 534 , 938 , 9886 , 1174 , 8639 , 92068 , 251561 , 355456 , 2004624 , 6347062 , 73526017 , 35705461 , 439949898 , 755555370 , 3286321552 , 4612982099
n×2
42905322
n×3
64357983
n×4
85810644
n×5
107263305
n÷2
10726330.5
n÷3
7150887
n÷3
5363165.25
n÷5
4290532.2
n2
460216663980921
n3
9.8728720789336E+21
n4
2.1179937780573E+29
n5
4.5436602520772E+36
2 √n
4631.7017391019
3 √n
277.86065597506
4 √n
68.056606873264
5 √n
29.261476342516
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21452660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21452661 can be divided by 4 positive divisors.
The sum of these divisors (counting 21452661) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110101011101110101
3
Ternary
1111100220112000
4
Quaternary
1101311131311
5
Quinary
20442441121
6
Senary
2043445513
8
Octal
121653565
10
Decimal
21452661
12
Duodecimal
7226899
16
Hexadecimal
1475775
20
Vigesimal
6e1bd1
36
Base36
crsz9
md5
103ee69a5a163c8d8a5da9185b46b530
sha1
5c5bccbd8d3f9d0220b598cd1b3d38c7523792da
sha256
d271fb3820c5e39a0789251c17a30f2cba05cfbf626b48dd049a45aceb778230
sha512
dc6aad1ef6d448c66bb3fea9bb694b29c6527532a7031b6aab9ff56e122f76b3851b026ec56b1284f53f302c3bf50330ba8fcf0c3d59c88f68dcce7ba5e2de31
ripemd-160
1e0703f4728ceef06f99649e3d31f1ae6d1fa071
Diameter
42905322
Circumference
134791044.3951
Area
1.4458132906221E+15
Volume
4.1355389857346E+22
Surface area
5.7832531624883E+15
Circumference
134791044.3951
Perimeter
85810644
Area
460216663980921
Diagonal
30338644.135192
Surface area
2761299983885526
Volume
9.8728720789336E+21
Space diagonal
37157098.809551
Perimeter
64357983
Area
1.992796611262E+14
Altitude
18578549.404776
Surface area
1.992796611262E+14
Volume
1.1635291328002E+21
Height
10112881.378397