21771388 (number)

21771388 is an even 8-digits composite number following 21771387 and preceding 21771389. In scientific notation, it is written as 2.1771388 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10707120 positive integers (up to 21771388) that are relatively prime to 21771388.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred seventy-one thousand three hundred eighty-eight

Notation

Scientific notation 2.1771388 × 10^7
Engineering notation 2.1771388 × 10^6

Prime Factorization of 21771388

Prime Factorization 2 × 2 × 61 × 89227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10885694
Product of the distinct prime numbers

The prime factorization of 21771388 is 2 × 2 × 61 × 89227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 64, 65, 375, 914, 998, 896, 77190, 79534, 780066, 890706, 8983511, 4779876, 87051237, 72053077, 136101544, 650183217, 4293554151, 2949832435

Basic calculations (n = 21771388)

Multiplication

n×y
n×2 43542776
n×3 65314164
n×4 87085552
n×5 108856940

Division

n÷y
n÷2 10885694
n÷3 7257129.3333333
n÷3 5442847
n÷5 4354277.6

Exponentiation

ny
n2 473993335446544
n3 1.0319492815421E+22
n4 2.2466968204774E+29
n5 4.891370819698E+36

Nth Root

y√n
2√n 4665.9819973935
3√n 279.22997614676
4√n 68.307993656625
5√n 29.347913038389

Divisors of 21771388

1, 2, 4, 61, 122, 244, 89227, 178454, 356908, 5442847, 10885694, 21771388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21771387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21771388 can be divided by 12 positive divisors. The sum of these divisors (counting 21771388) is 1, the average is 0.083333333333333.

Base conversion 21771388

Base System Value
2 Binary 1010011000011010001111100
3 Ternary 1111222002201201
4 Quaternary 1103003101330
5 Quinary 21033141023
6 Senary 2054345244
8 Octal 123032174
10 Decimal 21771388
12 Duodecimal 735b224
16 Hexadecimal 14c347c
20 Vigesimal 6g1898
36 Base36 cymws

Cryptographic Hash Functions

md5 256be512b0a010cdb67ed5332ee65d29
sha1 731a784d221b44fc65046b618ff27beaf1d02996
sha256 863bcaf6c01c430a297481a34eccdad3f935a7c1f85ac20c77efa6a4482f3029
sha512 00c2f2e2e8d9354d4dfebed350e6f5f7d33603b3412e5b10688dfee54f037e00426039d836c2dbb76731bb4cfe34975d22b6d89426acb9fca09adadb7c4a4d4a
ripemd-160 3469840df7bcba346d9fe089bdaf41bde15898fb

21771388 as geometric shapes

Circle

Radius = n
Diameter 43542776
Circumference 136793665.19851
Area 1.4890939804894E+15

Sphere

Radius = n
Volume 4.3226190423598E+22
Surface area 5.9563759219575E+15
Circumference 136793665.19851

Square

Length = n
Perimeter 87085552
Area 473993335446544
Diagonal 30789392.181287

Cube

Length = n
Surface area 2843960012679264
Volume 1.0319492815421E+22
Space diagonal 37709150.167295

Equilateral Triangle

Length = n
Perimeter 65314164
Area 2.0524513486061E+14
Altitude 18854575.083648

Triangular Pyramid

Length = n
Surface area 2.0524513486061E+14
Volume 1.216163891365E+21
Height 10263130.727096