19997745 (number)

19997745 is an odd 8-digits composite number following 19997744 and preceding 19997746. In scientific notation, it is written as 1.9997745 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 10646720 positive integers (up to 19997745) that are relatively prime to 19997745.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand seven hundred forty-five

Notation

Scientific notation 1.9997745 × 10^7
Engineering notation 1.9997745 × 10^6

Prime Factorization of 19997745

Prime Factorization 3 × 5 × 1373 × 971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19997745
Product of the distinct prime numbers

The prime factorization of 19997745 is 3 × 5 × 1373 × 971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 5, 9, 605, 419, 8556, 1343, 64892, 39082, 399087, 25768, 9893447, 392580, 1000038, 33056881, 835315265, 595319596, 7540096670, 4530530925

Basic calculations (n = 19997745)

Multiplication

n×y
n×2 39995490
n×3 59993235
n×4 79990980
n×5 99988725

Division

n÷y
n÷2 9998872.5
n÷3 6665915
n÷3 4999436.25
n÷5 3999549

Exponentiation

ny
n2 399909805085025
n3 7.99729430509E+21
n4 1.5992785220314E+29
n5 3.1981964067561E+36

Nth Root

y√n
2√n 4471.8838312282
3√n 271.43155958984
4√n 66.872145406202
5√n 28.85334743114

Divisors of 19997745

1, 3, 5, 15, 971, 1373, 2913, 4119, 4855, 6865, 14565, 20595, 1333183, 3999549, 6665915, 19997745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997745 can be divided by 16 positive divisors. The sum of these divisors (counting 19997745) is 1, the average is 0.0625.

Base conversion 19997745

Base System Value
2 Binary 1001100010010010000110001
3 Ternary 1101121222202020
4 Quaternary 1030102100301
5 Quinary 20104411440
6 Senary 1552342053
8 Octal 114222061
10 Decimal 19997745
12 Duodecimal 6844929
16 Hexadecimal 1312431
20 Vigesimal 64je75
36 Base36 bwmcx

Cryptographic Hash Functions

md5 3f4df13cd5c4bbbcfa347c75349b0762
sha1 a3a43f5600741b9f121aa1c2cd092d7747fcdef6
sha256 c0fcfc353447641faa0b15bbf7107427058aa6da3f83ed329a975d1b31960d42
sha512 241e1ac64c0aa491fa222b632280a9958ba96b77ef5011ab6fcf460547d70c03573663bb8c1da48d02c4d2f2046fdbf846d7c9d767397267bff67a2116cd372b
ripemd-160 aacfcb7227b8e4332b26df0b6bfb339e47835d4b

19997745 as geometric shapes

Circle

Radius = n
Diameter 39995490
Circumference 125649537.56072
Area 1.2563537057536E+15

Sphere

Radius = n
Volume 3.3498988049955E+22
Surface area 5.0254148230146E+15
Circumference 125649537.56072

Square

Length = n
Perimeter 79990980
Area 399909805085025
Diagonal 28281082.195879

Cube

Length = n
Surface area 2399458830510150
Volume 7.99729430509E+21
Space diagonal 34637110.376806

Equilateral Triangle

Length = n
Perimeter 59993235
Area 1.7316602521306E+14
Altitude 17318555.188403

Triangular Pyramid

Length = n
Surface area 1.7316602521306E+14
Volume 9.4249017237895E+20
Height 9427027.3986263