21931161 (number)

21931161 is an odd 8-digits composite number following 21931160 and preceding 21931162. In scientific notation, it is written as 2.1931161 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 12083904 positive integers (up to 21931161) that are relatively prime to 21931161.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand one hundred sixty-one

Notation

Scientific notation 2.1931161 × 10^7
Engineering notation 2.1931161 × 10^6

Prime Factorization of 21931161

Prime Factorization 3 × 7 × 43 × 163 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21931161
Product of the distinct prime numbers

The prime factorization of 21931161 is 3 × 7 × 43 × 163 × 149. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 85, 44, 735, 916, 2678, 9601, 59228, 75491, 845113, 910719, 2562696, 2877929, 2568084, 78676475, 119626262, 958636613, 4101821388, 5066132478

Basic calculations (n = 21931161)

Multiplication

n×y
n×2 43862322
n×3 65793483
n×4 87724644
n×5 109655805

Division

n÷y
n÷2 10965580.5
n÷3 7310387
n÷3 5482790.25
n÷5 4386232.2

Exponentiation

ny
n2 480975822807921
n3 1.0548358207108E+22
n4 2.3133774212576E+29
n5 5.0735052679365E+36

Nth Root

y√n
2√n 4683.0717483293
3√n 279.9113707584
4√n 68.432972669096
5√n 29.390862068455

Divisors of 21931161

1, 3, 7, 21, 43, 129, 149, 163, 301, 447, 489, 903, 1043, 1141, 3129, 3423, 6407, 7009, 19221, 21027, 24287, 44849, 49063, 72861, 134547, 147189, 170009, 510027, 1044341, 3133023, 7310387, 21931161

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 -21931160
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 21931161 can be divided by 32 positive divisors. The sum of these divisors (counting 21931161) is 1, the average is 0.03125.

Base conversion 21931161

Base System Value
2 Binary 1010011101010010010011001
3 Ternary 1112021012220020
4 Quaternary 1103222102121
5 Quinary 21103244121
6 Senary 2102021053
8 Octal 123522231
10 Decimal 21931161
12 Duodecimal 7417789
16 Hexadecimal 14ea499
20 Vigesimal 6h17i1
36 Base36 d226x

Cryptographic Hash Functions

md5 9a087dff1d01eaf15e60e5786c405c60
sha1 bf0886f00d58a530edd1e8dd4d9ecdfca84d82ec
sha256 bdaff79c35b36959b2a40eecee9711aae59bf30b96c0624972329d4631efac72
sha512 9e420af2fa209e39b4df6f92471bf8126a98f04c581f1b2b4351bcfd32dceab4469547f27f2f88a9020b9a971d15b5ac4e0cbf9bd8b83a07412cdd614b6cec71
ripemd-160 ce4d20d7c57d20f1cec1a32eb5f255ff52992582

21931161 as geometric shapes

Circle

Radius = n
Diameter 43862322
Circumference 137797548.56459
Area 1.5110301114877E+15

Sphere

Radius = n
Volume 4.4184859534512E+22
Surface area 6.0441204459507E+15
Circumference 137797548.56459

Square

Length = n
Perimeter 87724644
Area 480975822807921
Diagonal 31015345.324788

Cube

Length = n
Surface area 2885854936847526
Volume 1.0548358207108E+22
Space diagonal 37985885.120973

Equilateral Triangle

Length = n
Perimeter 65793483
Area 2.0826864057889E+14
Altitude 18992942.560487

Triangular Pyramid

Length = n
Surface area 2.0826864057889E+14
Volume 1.2431359364385E+21
Height 10338448.441596