19997451 (number)

19997451 is an odd 8-digits composite number following 19997450 and preceding 19997452. In scientific notation, it is written as 1.9997451 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 13021344 positive integers (up to 19997451) that are relatively prime to 19997451.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand four hundred fifty-one

Notation

Scientific notation 1.9997451 × 10^7
Engineering notation 1.9997451 × 10^6

Prime Factorization of 19997451

Prime Factorization 9 × 43 × 51673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19997451
Product of the distinct prime numbers

The prime factorization of 19997451 is 9 × 43 × 51673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997451)

Multiplication

n×y
n×2 39994902
n×3 59992353
n×4 79989804
n×5 99987255

Division

n÷y
n÷2 9998725.5
n÷3 6665817
n÷3 4999362.75
n÷5 3999490.2

Exponentiation

ny
n2 399898046497401
n3 7.9969415898275E+21
n4 1.5991844759244E+29
n5 3.1979613197258E+36

Nth Root

y√n
2√n 4471.8509590549
3√n 271.43022941871
4√n 66.871899622
5√n 28.853262592234

Divisors of 19997451

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 -19997450
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 19997451 can be divided by 8 positive divisors. The sum of these divisors (counting 19997451) is 1, the average is 0.125.

Base conversion 19997451

Base System Value
2 Binary 1001100010010001100001011
3 Ternary 1101121222100100
4 Quaternary 1030102030023
5 Quinary 20104404301
6 Senary 1552340443
8 Octal 114221413
10 Decimal 19997451
12 Duodecimal 6844723
16 Hexadecimal 131230b
20 Vigesimal 64jdcb
36 Base36 bwm4r

Cryptographic Hash Functions

md5 316d39507e19dc106425ea368a49d89e
sha1 b9fe3a995d68a02e0d5151038f836c8391796251
sha256 0726433ebdc2d62ee62284afadc63630a06887a4c653a5be52fb9458ef11c7cc
sha512 1552e21b45c9d78a47786091ed1aa6d7f045d1c78cb0d8c09874fa87fc443b08e2d68284152d58f415ee22568a20a4a0b2b120392ee9ee3c24e8365dc38c47a1
ripemd-160 903bd7b5ddd710d6e6652424ebd36473e00cd6de

19997451 as geometric shapes

Circle

Radius = n
Diameter 39994902
Circumference 125647690.30424
Area 1.2563167650611E+15

Sphere

Radius = n
Volume 3.3497510599718E+22
Surface area 5.0252670602446E+15
Circumference 125647690.30424

Square

Length = n
Perimeter 79989804
Area 399898046497401
Diagonal 28280666.417091

Cube

Length = n
Surface area 2399388278984406
Volume 7.9969415898275E+21
Space diagonal 34636601.153869

Equilateral Triangle

Length = n
Perimeter 59992353
Area 1.7316093359526E+14
Altitude 17318300.576935

Triangular Pyramid

Length = n
Surface area 1.7316093359526E+14
Volume 9.4244860448663E+20
Height 9426888.8056971