21431145 (number)

21431145 is an odd 8-digits composite number following 21431144 and preceding 21431146. In scientific notation, it is written as 2.1431145 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 10450944 positive integers (up to 21431145) that are relatively prime to 21431145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431145 × 10^7
Engineering notation 2.1431145 × 10^6

Prime Factorization of 21431145

Prime Factorization 3 × 5 × 19 × 29 × 2593

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21431145
Product of the distinct prime numbers

The prime factorization of 21431145 is 3 × 5 × 19 × 29 × 2593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 98, 23, 357, 800, 7479, 139, 62539, 72764, 13856, 269890, 3144563, 2130223, 95831105, 10272637, 166731556, 232980448, 456675894, 976974712

Basic calculations (n = 21431145)

Multiplication

n×y
n×2 42862290
n×3 64293435
n×4 85724580
n×5 107155725

Division

n÷y
n÷2 10715572.5
n÷3 7143715
n÷3 5357786.25
n÷5 4286229

Exponentiation

ny
n2 459293976011025
n3 9.8431957975188E+21
n4 2.1095095640002E+29
n5 4.5209205344974E+36

Nth Root

y√n
2√n 4629.3784680019
3√n 277.76773122183
4√n 68.039536065452
5√n 29.255604412161

Divisors of 21431145

1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2593, 2755, 7779, 8265, 12965, 38895, 49267, 75197, 147801, 225591, 246335, 375985, 739005, 1127955, 1428743, 4286229, 7143715, 21431145

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 -21431144
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 21431145 can be divided by 32 positive divisors. The sum of these divisors (counting 21431145) is 1, the average is 0.03125.

Base conversion 21431145

Base System Value
2 Binary 1010001110000001101101001
3 Ternary 1111022211000010
4 Quaternary 1101300031221
5 Quinary 20441244040
6 Senary 2043202133
8 Octal 121601551
10 Decimal 21431145
12 Duodecimal 7216349
16 Hexadecimal 1470369
20 Vigesimal 6dihh5
36 Base36 crcdl

Cryptographic Hash Functions

md5 92222f1534aeb06fe2cbf94a4926261e
sha1 04a6ee72ac7a45581dd07a69d812a066b81bd39d
sha256 3a21fda642872c539ed86924d7e97ff8a70d9c8551687559f34cb89ec8a3b4b5
sha512 c7b49803c16fca95bd524b2016f2bc85ef56cba6dc5d2019a1871447295cf149a5a7c6b989eb56da406907c6c7265889a3e1d4d903e5eca4b9ebd82597d0005a
ripemd-160 1b9b0342e62b210593ff722b011648d31243bbb0

21431145 as geometric shapes

Circle

Radius = n
Diameter 42862290
Circumference 134655855.38004
Area 1.4429145808743E+15

Sphere

Radius = n
Volume 4.1231082140441E+22
Surface area 5.7716583234971E+15
Circumference 134655855.38004

Square

Length = n
Perimeter 85724580
Area 459293976011025
Diagonal 30308215.916184

Cube

Length = n
Surface area 2755763856066150
Volume 9.8431957975188E+21
Space diagonal 37119832.004376

Equilateral Triangle

Length = n
Perimeter 64293435
Area 1.9888012551535E+14
Altitude 18559916.002188

Triangular Pyramid

Length = n
Surface area 1.9888012551535E+14
Volume 1.1600317494954E+21
Height 10102738.638728