21491960 (number)

21491960 is an even 8-digits composite number following 21491959 and preceding 21491961. In scientific notation, it is written as 2.1491960 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 7368576 positive integers (up to 21491960) that are relatively prime to 21491960.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491960 × 10^7
Engineering notation 2.1491960 × 10^6

Prime Factorization of 21491960

Prime Factorization 2 × 2 × 2 × 5 × 7 × 76757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5372990
Product of the distinct prime numbers

The prime factorization of 21491960 is 2 × 2 × 2 × 5 × 7 × 76757. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 52, 25, 356, 142, 663, 9579, 49598, 50747, 864929, 771185, 6268399, 5045383, 21797051, 28149667, 878577552, 103137421, 8069676048, 2595288250

Basic calculations (n = 21491960)

Multiplication

n×y
n×2 42983920
n×3 64475880
n×4 85967840
n×5 107459800

Division

n÷y
n÷2 10745980
n÷3 7163986.6666667
n÷3 5372990
n÷5 4298392

Exponentiation

ny
n2 461904344641600
n3 9.9272296988635E+21
n4 2.1335562359879E+29
n5 4.5854305281602E+36

Nth Root

y√n
2√n 4635.942191184
3√n 278.03022289295
4√n 68.087753606533
5√n 29.272189279727

Divisors of 21491960

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 76757, 153514, 307028, 383785, 537299, 614056, 767570, 1074598, 1535140, 2149196, 2686495, 3070280, 4298392, 5372990, 10745980, 21491960

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 -21491959
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 21491960 can be divided by 32 positive divisors. The sum of these divisors (counting 21491960) is 1, the average is 0.03125.

Base conversion 21491960

Base System Value
2 Binary 1010001111111000011111000
3 Ternary 1111102220102112
4 Quaternary 1101333003320
5 Quinary 21000220320
6 Senary 2044351452
8 Octal 121770370
10 Decimal 21491960
12 Duodecimal 7245588
16 Hexadecimal 147f0f8
20 Vigesimal 6e69i0
36 Base36 csnaw

Cryptographic Hash Functions

md5 98ed1db72c1c209142e9fbe1a089942d
sha1 cd1b7459c5b17314fe630c816ff48047e8acd75a
sha256 b3fe573b3b8534d239c09d7b10a0d130c514ea5eaf2d5cdba4be650f2b914ca8
sha512 74d7ff3f56ef12371d4ecab092598f7cf73082d17768ad0e03bca2cfcbf84bf3a27271dc920bd93c4a95a7d4b1869e9f9ee958b3b27f724ef234d8a3007752bb
ripemd-160 c77ffed2e7ad28a61136d2d1abe494ccd143e661

21491960 as geometric shapes

Circle

Radius = n
Diameter 42983920
Circumference 135037967.29449
Area 1.4511152957873E+15

Sphere

Radius = n
Volume 4.1583082523264E+22
Surface area 5.804461183149E+15
Circumference 135037967.29449

Square

Length = n
Perimeter 85967840
Area 461904344641600
Diagonal 30394221.31398

Cube

Length = n
Surface area 2771426067849600
Volume 9.9272296988635E+21
Space diagonal 37225166.674238

Equilateral Triangle

Length = n
Perimeter 64475880
Area 2.0001044828901E+14
Altitude 18612583.337119

Triangular Pyramid

Length = n
Surface area 2.0001044828901E+14
Volume 1.1699352397438E+21
Height 10131407.10466