21121454 is an even 8-digits composite number following 21121453
and preceding 21121455 . In scientific notation, it is written as 2.1121454 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 10002720 positive integers (up to 21121454) that are relatively prime to 21121454.
21121454 has 16 divisors, whose sum is 33397920
The reverse of 21121454 is 45412112
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred twenty-one thousand four hundred fifty-four
Scientific notation
2.1121454 × 10^7
Engineering notation
2.1121454 × 10^6
Prime Factorization
2 × 29 × 53 × 6871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21121454
Product of the distinct prime numbers
The prime factorization of 21121454 is 2 × 29 × 53 × 6871.
Since it has a total of 4 prime factors.
8 , 1 , 76 , 51 , 102 , 569 , 8244 , 2745 , 70999 , 75153 , 509719 , 986293 , 6889541 , 9250981 , 93492311 , 38094769 , 205337285 , 796114549 , 5470433767 , 3708015365
n×2
42242908
n×3
63364362
n×4
84485816
n×5
105607270
n÷2
10560727
n÷3
7040484.6666667
n÷3
5280363.5
n÷5
4224290.8
n2
446115819074116
n3
9.4226147512463E+21
n4
1.9901932402817E+29
n5
4.2035774975721E+36
2 √n
4595.8083075777
3 √n
276.4232723348
4 √n
67.79239122186
5 √n
29.170559717763
1 , 2 , 29 , 53 , 58 , 106 , 1537 , 3074 , 6871 , 13742 , 199259 , 364163 , 398518 , 728326 , 10560727 , 21121454
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
-21121453
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 21121454 can be divided by 16 positive divisors.
The sum of these divisors (counting 21121454) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100100100110101110
3
Ternary
1110202002012002
4
Quaternary
1100210212232
5
Quinary
20401341304
6
Senary
2032412302
8
Octal
120444656
10
Decimal
21121454
12
Duodecimal
70a7092
16
Hexadecimal
14249ae
20
Vigesimal
6c03ce
36
Base36
ckpf2
md5
c3b202b73859be9e7677f49ed2f0560c
sha1
b6498fcd2c0ddea676523c3a1840a4396c3496a6
sha256
e6a03c087c31b7f7a23e481ee5de3137d20c479d2b9bb5de3aa955f839475dd5
sha512
3fe6d91ee405be2daf955256c912b662e72795d5815d0d53f406027595bf1a94e9c9a3540a6c701b0e34487ce051815581be83c0befc54495b8922f7cba9bfeb
ripemd-160
d5c7940cb8820daed3df2ad309fbb4e7db38d32a
Diameter
42242908
Circumference
132710009.43907
Area
1.4015141798534E+15
Volume
3.9469356373496E+22
Surface area
5.6060567194137E+15
Circumference
132710009.43907
Perimeter
84485816
Area
446115819074116
Diagonal
29870246.703839
Surface area
2676694914444696
Volume
9.4226147512463E+21
Space diagonal
36583431.457729
Perimeter
63364362
Area
1.9317381617414E+14
Altitude
18291715.728864
Surface area
1.9317381617414E+14
Volume
1.1104657978524E+21
Height
9956748.9012798