21771390 (number)

21771390 is an even 8-digits composite number following 21771389 and preceding 21771391. In scientific notation, it is written as 2.1771390 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5464064 positive integers (up to 21771390) that are relatively prime to 21771390.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred seventy-one thousand three hundred ninety

Notation

Scientific notation 2.1771390 × 10^7
Engineering notation 2.1771390 × 10^6

Prime Factorization of 21771390

Prime Factorization 2 × 15 × 17 × 42689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21771390
Product of the distinct prime numbers

The prime factorization of 21771390 is 2 × 15 × 17 × 42689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 53, 93, 261, 254, 5428, 1562, 86720, 69037, 251020, 102526, 7520174, 5983574, 17635103, 82981084, 110695982, 158119625, 9056876855, 8517094233

Basic calculations (n = 21771390)

Multiplication

n×y
n×2 43542780
n×3 65314170
n×4 87085560
n×5 108856950

Division

n÷y
n÷2 10885695
n÷3 7257130
n÷3 5442847.5
n÷5 4354278

Exponentiation

ny
n2 473993422532100
n3 1.0319495659381E+22
n4 2.2466976460369E+29
n5 4.8913730663952E+36

Nth Root

y√n
2√n 4665.9822117106
3√n 279.22998469713
4√n 68.307995225381
5√n 29.34791357759

Divisors of 21771390

1, 2, 15, 17, 30, 34, 255, 510, 42689, 85378, 640335, 725713, 1280670, 1451426, 10885695, 21771390

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 -21771389
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 21771390 can be divided by 16 positive divisors. The sum of these divisors (counting 21771390) is 1, the average is 0.0625.

Base conversion 21771390

Base System Value
2 Binary 1010011000011010001111110
3 Ternary 1111222002201210
4 Quaternary 1103003101332
5 Quinary 21033141030
6 Senary 2054345250
8 Octal 123032176
10 Decimal 21771390
12 Duodecimal 735b226
16 Hexadecimal 14c347e
20 Vigesimal 6g189a
36 Base36 cymwu

Cryptographic Hash Functions

md5 dda64433ffc8b033f2370a89d1b7eba3
sha1 0f25d8bb79c179da3e4429eceb807ca3bf624f1f
sha256 f9d3c5e5d8ec41d22c5b4ff7ededff54f07ac1dc28d5233051afbd22a4e73d8f
sha512 c9e5586e7e2d8d30280139ae8b5a2c4e0f043086a421c52bd122151ac61b59e5a8386670ea219d6959ff4e430136e17c119b982ff9316d787ceec651a35f6716
ripemd-160 94d0865bdbe2120672068c875f7dafdb6a2cdec0

21771390 as geometric shapes

Circle

Radius = n
Diameter 43542780
Circumference 136793677.76488
Area 1.4890942540767E+15

Sphere

Radius = n
Volume 4.3226202336351E+22
Surface area 5.9563770163069E+15
Circumference 136793677.76488

Square

Length = n
Perimeter 87085560
Area 473993422532100
Diagonal 30789395.009714

Cube

Length = n
Surface area 2843960535192600
Volume 1.0319495659381E+22
Space diagonal 37709153.631397

Equilateral Triangle

Length = n
Perimeter 65314170
Area 2.0524517256976E+14
Altitude 18854576.815698

Triangular Pyramid

Length = n
Surface area 2.0524517256976E+14
Volume 1.2161642265289E+21
Height 10263131.669905