21359920 (number)

21359920 is an even 8-digits composite number following 21359919 and preceding 21359921. In scientific notation, it is written as 2.1359920 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 8543936 positive integers (up to 21359920) that are relatively prime to 21359920.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-nine thousand nine hundred twenty

Notation

Scientific notation 2.1359920 × 10^7
Engineering notation 2.1359920 × 10^6

Prime Factorization of 21359920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 266999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2669990
Product of the distinct prime numbers

The prime factorization of 21359920 is 2 × 2 × 2 × 2 × 5 × 266999. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 31, 51, 126, 877, 5910, 5481, 58809, 35818, 452733, 158307, 228660, 9541981, 85896251, 10872815, 994073959, 6797493, 1798567179, 7416938511

Basic calculations (n = 21359920)

Multiplication

n×y
n×2 42719840
n×3 64079760
n×4 85439680
n×5 106799600

Division

n÷y
n÷2 10679960
n÷3 7119973.3333333
n÷3 5339980
n÷5 4271984

Exponentiation

ny
n2 456246182406400
n3 9.7453819565061E+21
n4 2.0816057896041E+29
n5 4.4462933137481E+36

Nth Root

y√n
2√n 4621.679348462
3√n 277.4596754435
4√n 67.982934244279
5√n 29.236132694554

Divisors of 21359920

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 266999, 533998, 1067996, 1334995, 2135992, 2669990, 4271984, 5339980, 10679960, 21359920

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21359919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21359920 can be divided by 20 positive divisors. The sum of these divisors (counting 21359920) is 1, the average is 0.05.

Base conversion 21359920

Base System Value
2 Binary 1010001011110110100110000
3 Ternary 1111012012022011
4 Quaternary 1101132310300
5 Quinary 20432004140
6 Senary 2041452304
8 Octal 121366460
10 Decimal 21359920
12 Duodecimal 71a1094
16 Hexadecimal 145ed30
20 Vigesimal 6d9jg0
36 Base36 cptf4

Cryptographic Hash Functions

md5 b0ef03352cd730c823d6fedbde8543be
sha1 52a64378004b9e0d292be5eb787240d0595eda43
sha256 d1c7444f9353e4788d4f297135c18afc21b7c58e9ee6913dfb5f923913e96897
sha512 219465d35238fddd7344d91cc4675fd3e0d6cec6ed69bb46a5411c031c5d1dad056458c4011958387a3c724dbfc9d2ac952e16eade70cdb262e5a092bb4d201e
ripemd-160 2284d883d2d8a3a107012b7b5bcd22e2460858e3

21359920 as geometric shapes

Circle

Radius = n
Diameter 42719840
Circumference 134208335.50653
Area 1.4333396548763E+15

Sphere

Radius = n
Volume 4.0821360481315E+22
Surface area 5.7333586195053E+15
Circumference 134208335.50653

Square

Length = n
Perimeter 85439680
Area 456246182406400
Diagonal 30207488.555204

Cube

Length = n
Surface area 2737477094438400
Volume 9.7453819565061E+21
Space diagonal 36996466.685607

Equilateral Triangle

Length = n
Perimeter 64079760
Area 1.9756039217181E+14
Altitude 18498233.342803

Triangular Pyramid

Length = n
Surface area 1.9756039217181E+14
Volume 1.1485042777831E+21
Height 10069162.851735