21531144 (number)

21531144 is an even 8-digits composite number following 21531143 and preceding 21531145. In scientific notation, it is written as 2.1531144 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 7041216 positive integers (up to 21531144) that are relatively prime to 21531144.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand one hundred forty-four

Notation

Scientific notation 2.1531144 × 10^7
Engineering notation 2.1531144 × 10^6

Prime Factorization of 21531144

Prime Factorization 2 × 2 × 2 × 3 × 53 × 16927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5382786
Product of the distinct prime numbers

The prime factorization of 21531144 is 2 × 2 × 2 × 3 × 53 × 16927. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 8, 79, 433, 568, 503, 3395, 98542, 36106, 339508, 948972, 4944224, 9750216, 7452183, 95804316, 452872393, 217147975, 1253666346, 1114386697

Basic calculations (n = 21531144)

Multiplication

n×y
n×2 43062288
n×3 64593432
n×4 86124576
n×5 107655720

Division

n÷y
n÷2 10765572
n÷3 7177048
n÷3 5382786
n÷5 4306228.8

Exponentiation

ny
n2 463590161948736
n3 9.9816265339016E+21
n4 2.1491583825566E+29
n5 4.6273838613632E+36

Nth Root

y√n
2√n 4640.1663763275
3√n 278.19908793403
4√n 68.118766697053
5√n 29.282855276653

Divisors of 21531144

1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16927, 33854, 50781, 67708, 101562, 135416, 203124, 406248, 897131, 1794262, 2691393, 3588524, 5382786, 7177048, 10765572, 21531144

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531144 can be divided by 32 positive divisors. The sum of these divisors (counting 21531144) is 1, the average is 0.03125.

Base conversion 21531144

Base System Value
2 Binary 1010010001000101000001000
3 Ternary 1111111220011210
4 Quaternary 1102020220020
5 Quinary 21002444034
6 Senary 2045253120
8 Octal 122105010
10 Decimal 21531144
12 Duodecimal 72641a0
16 Hexadecimal 1488a08
20 Vigesimal 6eb7h4
36 Base36 cthjc

Cryptographic Hash Functions

md5 97c8cd47383a62a5a375094af762bb71
sha1 d84c177a3884b949306a6178e53bf815e1f692c8
sha256 9f72b0ee962a3e72c1ae9d8c7f939bbed84c684e060dfafadb68d3578d2fc265
sha512 df101917a9ad7727935827b9feac22cc165fa26308c21ab5f6b001f9de3426baded44e2f9298376fe692eb73a7182fe5f42067fc0ba8b323990820c70f64d5c3
ripemd-160 a4b30a8cda79f4eaaa0750b5b8565abd76ac7d7f

21531144 as geometric shapes

Circle

Radius = n
Diameter 43062288
Circumference 135284167.62757
Area 1.4564114470547E+15

Sphere

Radius = n
Volume 4.1810939453043E+22
Surface area 5.8256457882186E+15
Circumference 135284167.62757

Square

Length = n
Perimeter 86124576
Area 463590161948736
Diagonal 30449635.858208

Cube

Length = n
Surface area 2781540971692416
Volume 9.9816265339016E+21
Space diagonal 37293035.353082

Equilateral Triangle

Length = n
Perimeter 64593432
Area 2.0074042859607E+14
Altitude 18646517.676541

Triangular Pyramid

Length = n
Surface area 2.0074042859607E+14
Volume 1.1763459682322E+21
Height 10149878.619403