20161261 (number)

20161261 is an odd 8-digits composite number following 20161260 and preceding 20161262. In scientific notation, it is written as 2.0161261 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 18431280 positive integers (up to 20161261) that are relatively prime to 20161261.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand two hundred sixty-one

Notation

Scientific notation 2.0161261 × 10^7
Engineering notation 2.0161261 × 10^6

Prime Factorization of 20161261

Prime Factorization 19 × 107 × 47 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161261
Product of the distinct prime numbers

The prime factorization of 20161261 is 19 × 107 × 47 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 59, 76, 154, 783, 4437, 2910, 10615, 11109, 534257, 850492, 9978591, 6773983, 15241435, 61960130, 304211086, 673546300, 6974968109, 3686409306

Basic calculations (n = 20161261)

Multiplication

n×y
n×2 40322522
n×3 60483783
n×4 80645044
n×5 100806305

Division

n÷y
n÷2 10080630.5
n÷3 6720420.3333333
n÷3 5040315.25
n÷5 4032252.2

Exponentiation

ny
n2 406476445110121
n3 8.1950777002173E+21
n4 1.6522310042936E+29
n5 3.3311060509856E+36

Nth Root

y√n
2√n 4490.1292854438
3√n 272.16935909665
4√n 67.008426973358
5√n 28.900379015712

Divisors of 20161261

1, 19, 47, 107, 211, 893, 2033, 4009, 5029, 9917, 22577, 95551, 188423, 428963, 1061119, 20161261

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 -20161260
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 20161261 can be divided by 16 positive divisors. The sum of these divisors (counting 20161261) is 1, the average is 0.0625.

Base conversion 20161261

Base System Value
2 Binary 1001100111010001011101101
3 Ternary 1101221022001101
4 Quaternary 1030322023231
5 Quinary 20130130021
6 Senary 2000043101
8 Octal 114721355
10 Decimal 20161261
12 Duodecimal 6903491
16 Hexadecimal 133a2ed
20 Vigesimal 660331
36 Base36 c04j1

Cryptographic Hash Functions

md5 09f4e46e0f9677e6069b9552436866c0
sha1 6ce99b35631dcd94be85c74e85f6d1f1f5f53e35
sha256 0e0603e382a3d3794615acb3e0d9fa72149983829901e771485788a5645fccfc
sha512 5307ee041ed07db1ab2dac94d7debc77257f93104a590a4bfb5ee103ddc8eb14fc6b73c18566a03a3570691078d7f8b671d4e6e8f322de23246317daed4d27a1
ripemd-160 41bbb623b52001f615cfa20ca8f61578fc0d4a0e

20161261 as geometric shapes

Circle

Radius = n
Diameter 40322522
Circumference 126676938.88941
Area 1.2769834138153E+15

Sphere

Radius = n
Volume 3.4327461198134E+22
Surface area 5.107933655261E+15
Circumference 126676938.88941

Square

Length = n
Perimeter 80645044
Area 406476445110121
Diagonal 28512328.740744

Cube

Length = n
Surface area 2438858670660726
Volume 8.1950777002173E+21
Space diagonal 34920328.396657

Equilateral Triangle

Length = n
Perimeter 60483783
Area 1.7600946375268E+14
Altitude 17460164.198328

Triangular Pyramid

Length = n
Surface area 1.7600946375268E+14
Volume 9.6579916902905E+20
Height 9504109.5802479