21297988 (number)

21297988 is an even 8-digits composite number following 21297987 and preceding 21297989. In scientific notation, it is written as 2.1297988 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors. There are 10648992 positive integers (up to 21297988) that are relatively prime to 21297988.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand nine hundred eighty-eight

Notation

Scientific notation 2.1297988 × 10^7
Engineering notation 2.1297988 × 10^6

Prime Factorization of 21297988

Prime Factorization 2 × 2 × 5324497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10648994
Product of the distinct prime numbers

The prime factorization of 21297988 is 2 × 2 × 5324497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297988)

Multiplication

n×y
n×2 42595976
n×3 63893964
n×4 85191952
n×5 106489940

Division

n÷y
n÷2 10648994
n÷3 7099329.3333333
n÷3 5324497
n÷5 4259597.6

Exponentiation

ny
n2 453604292848144
n3 9.6608587858283E+21
n4 2.0575685449026E+29
n5 4.3822070178514E+36

Nth Root

y√n
2√n 4614.9743227888
3√n 277.19125578786
4√n 67.93360230982
5√n 29.21915926218

Divisors of 21297988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21297987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21297988 can be divided by 6 positive divisors. The sum of these divisors (counting 21297988) is 1, the average is 0.16666666666667.

Base conversion 21297988

Base System Value
2 Binary 1010001001111101101000100
3 Ternary 1111002001100101
4 Quaternary 1101033231010
5 Quinary 20423013423
6 Senary 2040253444
8 Octal 121175504
10 Decimal 21297988
12 Duodecimal 7171284
16 Hexadecimal 144fb44
20 Vigesimal 6d24j8
36 Base36 cohms

Cryptographic Hash Functions

md5 e888941a7cbedb6519685a205df740cf
sha1 03d0efe39af8872fc3a318b7a83db75707440d10
sha256 85fede2daac1bc9b2bb197dcc6a15523e251bc4be034cdf2eba7a2b6c97b6569
sha512 4e8070e5463fa2edc695020bd3cb60a9fa9e611701b9f3540da47cc0a16c6d5bddc7a701ea86f33f3666401562ee7f17cb8ab3cce3b55031d65892e1d53c38d1
ripemd-160 d2fbf75db2114516aca86221490da8491939aaf3

21297988 as geometric shapes

Circle

Radius = n
Diameter 42595976
Circumference 133819205.27409
Area 1.4250399140485E+15

Sphere

Radius = n
Volume 4.0467310651902E+22
Surface area 5.7001596561941E+15
Circumference 133819205.27409

Square

Length = n
Perimeter 85191952
Area 453604292848144
Diagonal 30119903.480859

Cube

Length = n
Surface area 2721625757088864
Volume 9.6608587858283E+21
Space diagonal 36889197.314992

Equilateral Triangle

Length = n
Perimeter 63893964
Area 1.9641642043608E+14
Altitude 18444598.657496

Triangular Pyramid

Length = n
Surface area 1.9641642043608E+14
Volume 1.1385431265908E+21
Height 10039967.826953