20697645 (number)

20697645 is an odd 8-digits composite number following 20697644 and preceding 20697646. In scientific notation, it is written as 2.0697645 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10940160 positive integers (up to 20697645) that are relatively prime to 20697645.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-seven thousand six hundred forty-five

Notation

Scientific notation 2.0697645 × 10^7
Engineering notation 2.0697645 × 10^6

Prime Factorization of 20697645

Prime Factorization 15 × 113 × 12211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20697645
Product of the distinct prime numbers

The prime factorization of 20697645 is 15 × 113 × 12211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20697645)

Multiplication

n×y
n×2 41395290
n×3 62092935
n×4 82790580
n×5 103488225

Division

n÷y
n÷2 10348822.5
n÷3 6899215
n÷3 5174411.25
n÷5 4139529

Exponentiation

ny
n2 428392508546025
n3 8.8667160625451E+21
n4 1.8352014137836E+29
n5 3.798434736599E+36

Nth Root

y√n
2√n 4549.4664522337
3√n 274.56192510696
4√n 67.44973278104
5√n 29.052545281687

Divisors of 20697645

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 -20697644
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 20697645 can be divided by 8 positive divisors. The sum of these divisors (counting 20697645) is 1, the average is 0.125.

Base conversion 20697645

Base System Value
2 Binary 1001110111101001000101101
3 Ternary 1102221112211110
4 Quaternary 1032331020231
5 Quinary 20244311040
6 Senary 2015342233
8 Octal 116751055
10 Decimal 20697645
12 Duodecimal 6b21979
16 Hexadecimal 13bd22d
20 Vigesimal 697425
36 Base36 cbmel

Cryptographic Hash Functions

md5 a673fa6d98234aed18858be6844698d2
sha1 feb93830dce3a87db6f75ff322fed43256518058
sha256 b04f772a6086077df7b108db3b217edaa9efe42c7826a5a5d0733298202fec65
sha512 c44bbb560efd2429baea49757c30b4fdbb546aec3e9d0a607ae6ce26068806d5e2a67e9ac0cc466f1f6f0b070c5db8637fcaead27834f8a0b85fb971b5448d60
ripemd-160 ab7f487fc97c1639d92051599b512c340a6f5e9e

20697645 as geometric shapes

Circle

Radius = n
Diameter 41395290
Circumference 130047138.95722
Area 1.3458347577011E+15

Sphere

Radius = n
Volume 3.7140813391411E+22
Surface area 5.3833390308044E+15
Circumference 130047138.95722

Square

Length = n
Perimeter 82790580
Area 428392508546025
Diagonal 29270890.268184

Cube

Length = n
Surface area 2570355051276150
Volume 8.8667160625451E+21
Space diagonal 35849372.737024

Equilateral Triangle

Length = n
Perimeter 62092935
Area 1.854993975959E+14
Altitude 17924686.368512

Triangular Pyramid

Length = n
Surface area 1.854993975959E+14
Volume 1.0449525091136E+21
Height 9756963.4227279