21497719 (number)

21497719 is an odd 8-digits composite number following 21497718 and preceding 21497720. In scientific notation, it is written as 2.1497719 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21355200 positive integers (up to 21497719) that are relatively prime to 21497719.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred nineteen

Notation

Scientific notation 2.1497719 × 10^7
Engineering notation 2.1497719 × 10^6

Prime Factorization of 21497719

Prime Factorization 151 × 142369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497719
Product of the distinct prime numbers

The prime factorization of 21497719 is 151 × 142369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 98, 19, 626, 204, 8863, 2111, 82613, 37942, 284904, 503916, 7439516, 9171474, 46508169, 31510476, 588877422, 483486940, 2991021019, 8460384991

Basic calculations (n = 21497719)

Multiplication

n×y
n×2 42995438
n×3 64493157
n×4 85990876
n×5 107488595

Division

n÷y
n÷2 10748859.5
n÷3 7165906.3333333
n÷3 5374429.75
n÷5 4299543.8

Exponentiation

ny
n2 462151922202961
n3 9.9352121588291E+21
n4 2.1358439919589E+29
n5 4.5915773966971E+36

Nth Root

y√n
2√n 4636.563274668
3√n 278.05505439673
4√n 68.092314358289
5√n 29.273757870698

Divisors of 21497719

1, 151, 142369, 21497719

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 -21497718
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 21497719 can be divided by 4 positive divisors. The sum of these divisors (counting 21497719) is 1, the average is 0.25.

Base conversion 21497719

Base System Value
2 Binary 1010010000000011101110111
3 Ternary 1111110012022211
4 Quaternary 1102000131313
5 Quinary 21000411334
6 Senary 2044434251
8 Octal 122003567
10 Decimal 21497719
12 Duodecimal 7248987
16 Hexadecimal 1480777
20 Vigesimal 6e745j
36 Base36 csrqv

Cryptographic Hash Functions

md5 073a8a8dd734fbb8e2c283c5f56e36ef
sha1 81f7e73c8082d482572906d30312d4196fe1f5a1
sha256 3009c260d9cd3681f72c69b328d92fefa283782873e286f88160adf42983e838
sha512 78130d8764f9aa484b3b5847d1550228a7934f2d5da2d2214ac9c0b8a5f764f1a729289d3c6e12c6153e1d5db915a7d5a9c76690e7121cd0051b5af369e298b3
ripemd-160 a0a3c67733d827ffcccb801ebfdf69235ad8908c

21497719 as geometric shapes

Circle

Radius = n
Diameter 42995438
Circumference 135074152.15868
Area 1.4518930836352E+15

Sphere

Radius = n
Volume 4.1616519373378E+22
Surface area 5.8075723345409E+15
Circumference 135074152.15868

Square

Length = n
Perimeter 85990876
Area 462151922202961
Diagonal 30402365.769886

Cube

Length = n
Surface area 2772911533217766
Volume 9.9352121588291E+21
Space diagonal 37235141.554839

Equilateral Triangle

Length = n
Perimeter 64493157
Area 2.0011765251779E+14
Altitude 18617570.777419

Triangular Pyramid

Length = n
Surface area 2.0011765251779E+14
Volume 1.1708759816725E+21
Height 10134121.923295