21931469 (number)

21931469 is an odd 8-digits composite number following 21931468 and preceding 21931470. In scientific notation, it is written as 2.1931469 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 18021696 positive integers (up to 21931469) that are relatively prime to 21931469.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931469 × 10^7
Engineering notation 2.1931469 × 10^6

Prime Factorization of 21931469

Prime Factorization 7 × 7 × 47 × 107 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3133067
Product of the distinct prime numbers

The prime factorization of 21931469 is 7 × 7 × 47 × 107 × 89. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931469)

Multiplication

n×y
n×2 43862938
n×3 65794407
n×4 87725876
n×5 109657345

Division

n÷y
n÷2 10965734.5
n÷3 7310489.6666667
n÷3 5482867.25
n÷5 4386293.8

Exponentiation

ny
n2 480989332497961
n3 1.054880263501E+22
n4 2.3135073797683E+29
n5 5.0738615380661E+36

Nth Root

y√n
2√n 4683.1046326129
3√n 279.91268110549
4√n 68.433212935042
5√n 29.390944620717

Divisors of 21931469

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931468
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931469 can be divided by 24 positive divisors. The sum of these divisors (counting 21931469) is 1, the average is 0.041666666666667.

Base conversion 21931469

Base System Value
2 Binary 1010011101010010111001101
3 Ternary 1112021020022122
4 Quaternary 1103222113031
5 Quinary 21103301334
6 Senary 2102022325
8 Octal 123522715
10 Decimal 21931469
12 Duodecimal 74179a5
16 Hexadecimal 14ea5cd
20 Vigesimal 6h18d9
36 Base36 d22fh

Cryptographic Hash Functions

md5 7b3eddd315b7fb4a15ca9a2bf8aee1a7
sha1 9083ec15675fc3239cea046db29823ade2ffa1f1
sha256 5bff0df2ac18b8d5b06ccc0148c6bb7adaad89561289ff9b73d87b72c0fc5635
sha512 2d7a39f48e1e3c995bd0189b44d166b909d9c99bd000eee85a147fc230bcb6bc9d91c19bd62c22ea9895ba93789794f2b43eee07c3a68705cf43963be64fe3cb
ripemd-160 1e76afe43fa5a46b2c16b624edd6716b77b024c1

21931469 as geometric shapes

Circle

Radius = n
Diameter 43862938
Circumference 137799483.78566
Area 1.5110725534307E+15

Sphere

Radius = n
Volume 4.4186721149754E+22
Surface area 6.0442902137226E+15
Circumference 137799483.78566

Square

Length = n
Perimeter 87725876
Area 480989332497961
Diagonal 31015780.902565

Cube

Length = n
Surface area 2885935994987766
Volume 1.054880263501E+22
Space diagonal 37986418.592622

Equilateral Triangle

Length = n
Perimeter 65794407
Area 2.0827449044628E+14
Altitude 18993209.296311

Triangular Pyramid

Length = n
Surface area 2.0827449044628E+14
Volume 1.243188312769E+21
Height 10338593.634188