21697745 (number)

21697745 is an odd 8-digits composite number following 21697744 and preceding 21697746. In scientific notation, it is written as 2.1697745 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 16982784 positive integers (up to 21697745) that are relatively prime to 21697745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697745 × 10^7
Engineering notation 2.1697745 × 10^6

Prime Factorization of 21697745

Prime Factorization 5 × 163 × 79 × 337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21697745
Product of the distinct prime numbers

The prime factorization of 21697745 is 5 × 163 × 79 × 337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 88, 16, 657, 960, 3197, 4882, 10727, 46175, 686218, 780145, 6066384, 8822402, 6782461, 79841935, 685014451, 720965780, 6375568306, 9638642583

Basic calculations (n = 21697745)

Multiplication

n×y
n×2 43395490
n×3 65093235
n×4 86790980
n×5 108488725

Division

n÷y
n÷2 10848872.5
n÷3 7232581.6666667
n÷3 5424436.25
n÷5 4339549

Exponentiation

ny
n2 470792138085025
n3 1.0215127760174E+22
n4 2.2164523728267E+29
n5 4.8092018390239E+36

Nth Root

y√n
2√n 4658.0838335092
3√n 278.91478322225
4√n 68.250156289266
5√n 29.328031912245

Divisors of 21697745

1, 5, 79, 163, 337, 395, 815, 1685, 12877, 26623, 54931, 64385, 133115, 274655, 4339549, 21697745

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 -21697744
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 21697745 can be divided by 16 positive divisors. The sum of these divisors (counting 21697745) is 1, the average is 0.0625.

Base conversion 21697745

Base System Value
2 Binary 1010010110001010011010001
3 Ternary 1111211100201012
4 Quaternary 1102301103101
5 Quinary 21023311440
6 Senary 2053020305
8 Octal 122612321
10 Decimal 21697745
12 Duodecimal 7324695
16 Hexadecimal 14b14d1
20 Vigesimal 6fc475
36 Base36 cx235

Cryptographic Hash Functions

md5 0af8c4f60b338fa2a4c85764e9a62f86
sha1 de9297f12226a339ffcba56df84ed62e7b1dbe6c
sha256 fb04c0525e24b3ad719abff51efbfd940d3e8fb13406c017f417026e90762690
sha512 455b6d5621379704262fe59c5d4936f0f41fa5feb4a1f64a5d80f51cb3bdb40eb2f71b311d954cb784ecded866e4edc20e4102a6c7f524b5f8ac1ede1aa36cd3
ripemd-160 1e65682ca80c1beab0979a97d46a7e285bd1b09d

21697745 as geometric shapes

Circle

Radius = n
Diameter 43395490
Circumference 136330952.58293
Area 1.4790371223757E+15

Sphere

Radius = n
Volume 4.2789027102457E+22
Surface area 5.916148489503E+15
Circumference 136330952.58293

Square

Length = n
Perimeter 86790980
Area 470792138085025
Diagonal 30685245.251913

Cube

Length = n
Surface area 2824752828510150
Volume 1.0215127760174E+22
Space diagonal 37581596.749674

Equilateral Triangle

Length = n
Perimeter 65093235
Area 2.0385897574181E+14
Altitude 18790798.374837

Triangular Pyramid

Length = n
Surface area 2.0385897574181E+14
Volume 1.203864351651E+21
Height 10228415.083971