21497838 (number)

21497838 is an even 8-digits composite number following 21497837 and preceding 21497839. In scientific notation, it is written as 2.1497838 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7165944 positive integers (up to 21497838) that are relatively prime to 21497838.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred thirty-eight

Notation

Scientific notation 2.1497838 × 10^7
Engineering notation 2.1497838 × 10^6

Prime Factorization of 21497838

Prime Factorization 2 × 3 × 3582973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497838
Product of the distinct prime numbers

The prime factorization of 21497838 is 2 × 3 × 3582973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 75, 65, 366, 35, 7621, 748, 41091, 6869, 639862, 842562, 4186191, 3680872, 13308055, 7762838, 446727358, 825142947, 4514457921, 6990026859

Basic calculations (n = 21497838)

Multiplication

n×y
n×2 42995676
n×3 64493514
n×4 85991352
n×5 107489190

Division

n÷y
n÷2 10748919
n÷3 7165946
n÷3 5374459.5
n÷5 4299567.6

Exponentiation

ny
n2 462157038674244
n3 9.9353771479786E+21
n4 2.1358912839615E+29
n5 4.5917044808216E+36

Nth Root

y√n
2√n 4636.576107431
3√n 278.05556745101
4√n 68.092408588851
5√n 29.273790279434

Divisors of 21497838

1, 2, 3, 6, 3582973, 7165946, 10748919, 21497838

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497838 can be divided by 8 positive divisors. The sum of these divisors (counting 21497838) is 1, the average is 0.125.

Base conversion 21497838

Base System Value
2 Binary 1010010000000011111101110
3 Ternary 1111110012111020
4 Quaternary 1102000133232
5 Quinary 21000412323
6 Senary 2044435010
8 Octal 122003756
10 Decimal 21497838
12 Duodecimal 7248a66
16 Hexadecimal 14807ee
20 Vigesimal 6e74bi
36 Base36 csru6

Cryptographic Hash Functions

md5 e29ddb9f282b8294778bc85a64d21b0e
sha1 5012ffc14493f374e29d8db34ff2309fadcc4c56
sha256 960b4bd9c76c298a2a64377b032beca9c698f413228e3f031df6a0ea8caa6a4e
sha512 5249e19c23ccfa5c3130eed462e38004426ee1bb20f1994d07950063e28dd1a8c61c474aa89f0dd4202b2bbc01a3b95d24b2bd2be06ae27283b80d4d750d375e
ripemd-160 37fb1fda519228acbb80c95d98b533fe9218f1ae

21497838 as geometric shapes

Circle

Radius = n
Diameter 42995676
Circumference 135074899.85773
Area 1.4519091575038E+15

Sphere

Radius = n
Volume 4.1617210478311E+22
Surface area 5.8076366300153E+15
Circumference 135074899.85773

Square

Length = n
Perimeter 85991352
Area 462157038674244
Diagonal 30402534.0613

Cube

Length = n
Surface area 2772942232045464
Volume 9.9353771479786E+21
Space diagonal 37235347.668885

Equilateral Triangle

Length = n
Perimeter 64493514
Area 2.0011986801484E+14
Altitude 18617673.834442

Triangular Pyramid

Length = n
Surface area 2.0011986801484E+14
Volume 1.1708954258303E+21
Height 10134178.020433