21126988 is an even 8-digits composite number following 21126987
and preceding 21126989 . In scientific notation, it is written as 2.1126988 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 9836544 positive integers (up to 21126988) that are relatively prime to 21126988.
21126988 has 24 divisors, whose sum is 39562992
The reverse of 21126988 is 88962112
Previous prime number is 97
Is Prime? no Number parity even Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million one hundred twenty-six thousand nine hundred eighty-eight
Scientific notation
2.1126988 × 10^7
Engineering notation
2.1126988 × 10^6
Prime Factorization
2 × 2 × 17 × 97 × 3203
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10563494 Product of the distinct prime numbers
The prime factorization of 21126988 is 2 × 2 × 17 × 97 × 3203.
Since it has a total of 5 prime factors.
8 , 3 , 33 , 74 , 261 , 626 , 4066 , 8498 , 40165 , 15418 , 434254 , 964051 , 5196082 , 9369645 , 88180876 , 84171135 , 481998310 , 915708781 , 7642440414 , 7375839582
n×2
42253976
n×3
63380964
n×4
84507952
n×5
105634940
n÷2
10563494
n÷3
7042329.3333333
n÷3
5281747
n÷5
4225397.6
n2
446349621952144
n3
9.4300231067875E+21
n4
1.9922798501682E+29
n5
4.2090872487146E+36
2 √n4596.4103385142
3 √n276.44741197354
4 √n67.796831330927
5 √n29.172088144374
1 , 2 , 4 , 17 , 34 , 68 , 97 , 194 , 388 , 1649 , 3203 , 3298 , 6406 , 6596 , 12812 , 54451 , 108902 , 217804 , 310691 , 621382 , 1242764 , 5281747 , 10563494 , 21126988
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
-21126987 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 21126988 can be divided by 24 positive divisors.
The sum of these divisors (counting 21126988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100101111101001100
3
Ternary
1110202100210001
4
Quaternary
1100211331030
5
Quinary
20402030423
6
Senary
2032454044
8
Octal
120457514
10
Decimal
21126988
12
Duodecimal
70aa324
16
Hexadecimal
1425f4c
20
Vigesimal
6c0h98
36
Base36
cktos
md5
bff57618647a5c478f9eb8011ceadc3d
sha1
5e520e2f9530ef10630c9033de51e24cfe301a08
sha256
aac1195c9cc72fe978f07b17433c376316569a72405ae65bf0ea39b53e870822
sha512
363a951a5e13b64e331aa8e52d2208cf8f8628a4465f4ab2774a3d9d316eb3382421e0954f71cd5674ca03d020a6aa7dae36159816a500cc576f8ad2e0f775f1
ripemd-160
be4e08d5baa535f49e82ae5672d2788330b5b645
Diameter
42253976
Circumference
132744780.58656
Area
1.4022486932574E+15
Volume
3.9500388420621E+22
Surface area
5.6089947730297E+15
Circumference
132744780.58656
Perimeter
84507952
Area
446349621952144
Diagonal
29878072.961694
Surface area
2678097731712864
Volume
9.4300231067875E+21
Space diagonal
36593016.626898
Perimeter
63380964
Area
1.9327505579007E+14
Altitude
18296508.313449
Surface area
1.9327505579007E+14
Volume
1.1113388809259E+21
Height
9959357.6538979