21494831 (number)

21494831 is an odd 8-digits prime number following 21494830 and preceding 21494832. In scientific notation, it is written as 2.1494831 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21494830 positive integers (up to 21494831) that are relatively prime to 21494831.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred thirty-one

Notation

Scientific notation 2.1494831 × 10^7
Engineering notation 2.1494831 × 10^6

Prime Factorization of 21494831

Prime Factorization 21494831

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21494831
Product of the distinct prime numbers

The prime factorization of 21494831 is 21494831. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 5, 47, 56, 310, 383, 3203, 6150, 10158, 85943, 167202, 836193, 5477287, 7251106, 73006734, 35052717, 784762592, 767777667, 5020382069, 358184140

Basic calculations (n = 21494831)

Multiplication

n×y
n×2 42989662
n×3 64484493
n×4 85979324
n×5 107474155

Division

n÷y
n÷2 10747415.5
n÷3 7164943.6666667
n÷3 5373707.75
n÷5 4298966.2

Exponentiation

ny
n2 462027759718561
n3 9.9312086124591E+21
n4 2.1346965075055E+29
n5 4.5884940665121E+36

Nth Root

y√n
2√n 4636.2518266375
3√n 278.04260254918
4√n 68.090027365522
5√n 29.272971302076

Divisors of 21494831

1, 21494831

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21494832
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10747416
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.2519344833
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069544
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494831 can be divided by 2 positive divisors. The sum of these divisors (counting 21494831) is 21494832, the average is 10747416.

Base conversion 21494831

Base System Value
2 Binary 1010001111111110000101111
3 Ternary 1111110001100212
4 Quaternary 1101333300233
5 Quinary 21000313311
6 Senary 2044413035
8 Octal 121776057
10 Decimal 21494831
12 Duodecimal 724717b
16 Hexadecimal 147fc2f
20 Vigesimal 6e6h1b
36 Base36 cspin

Cryptographic Hash Functions

md5 1d6f1fae660bbf7705131ca8735cee82
sha1 af52b8f83a98199e7230976d5ccf192ebf94f51e
sha256 daccc2b285cddfb3e8ed2754a681e3a8a08120fc8f4a645fe2447cfb23ae70a6
sha512 1e5195ab7867049af0ec25a6b1142fd9cc98ecff721ff3bb45a14e0a03e6f1deb1a7bbe57f2b072d411a8a36f8da4adfd339246382267fd9edcc2d8ec55efda3
ripemd-160 c243001787f921dbbca3f146fc657a7e84cc3185

21494831 as geometric shapes

Circle

Radius = n
Diameter 42989662
Circumference 135056006.31951
Area 1.4515030156864E+15

Sphere

Radius = n
Volume 4.1599749357559E+22
Surface area 5.8060120627455E+15
Circumference 135056006.31951

Square

Length = n
Perimeter 85979324
Area 462027759718561
Diagonal 30398281.521118

Cube

Length = n
Surface area 2772166558311366
Volume 9.9312086124591E+21
Space diagonal 37230139.392107

Equilateral Triangle

Length = n
Perimeter 64484493
Area 2.0006388858494E+14
Altitude 18615069.696053

Triangular Pyramid

Length = n
Surface area 2.0006388858494E+14
Volume 1.170404159208E+21
Height 10132760.507039