21494977 (number)

21494977 is an odd 8-digits composite number following 21494976 and preceding 21494978. In scientific notation, it is written as 2.1494977 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 18364416 positive integers (up to 21494977) that are relatively prime to 21494977.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred seventy-seven

Notation

Scientific notation 2.1494977 × 10^7
Engineering notation 2.1494977 × 10^6

Prime Factorization of 21494977

Prime Factorization 7 × 7 × 449 × 977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3070711
Product of the distinct prime numbers

The prime factorization of 21494977 is 7 × 7 × 449 × 977. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 61, 48, 3, 925, 9911, 8813, 76044, 89822, 133252, 521784, 1177044, 4767260, 29569704, 75021969, 255030861, 973786478, 1113403875, 411708501

Basic calculations (n = 21494977)

Multiplication

n×y
n×2 42989954
n×3 64484931
n×4 85979908
n×5 107474885

Division

n÷y
n÷2 10747488.5
n÷3 7164992.3333333
n÷3 5373744.25
n÷5 4298995.4

Exponentiation

ny
n2 462034036230529
n3 9.9314109819924E+21
n4 2.1347545063547E+29
n5 4.5886499014741E+36

Nth Root

y√n
2√n 4636.2675720886
3√n 278.04323206685
4√n 68.090142987723
5√n 29.273011068308

Divisors of 21494977

1, 7, 49, 449, 977, 3143, 6839, 22001, 47873, 438673, 3070711, 21494977

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494977 can be divided by 12 positive divisors. The sum of these divisors (counting 21494977) is 1, the average is 0.083333333333333.

Base conversion 21494977

Base System Value
2 Binary 1010001111111110011000001
3 Ternary 1111110001120021
4 Quaternary 1101333303001
5 Quinary 21000314402
6 Senary 2044413441
8 Octal 121776301
10 Decimal 21494977
12 Duodecimal 7247281
16 Hexadecimal 147fcc1
20 Vigesimal 6e6h8h
36 Base36 cspmp

Cryptographic Hash Functions

md5 d719cb1f09ac8fb6a6f2bbc0904c24cb
sha1 dac1a5f7b68f0b3954597bb19b041d7443366462
sha256 18d77acb4eeae8e560354aca827dfdaf5b49d6d80b1bab8de0b36023c908cfd1
sha512 c729c1620680d6ef6834975d0dd4dc90cfca04648d8de51cb9c6fe44189c4389cb9e025cea0b32ca31be35731787b4ecba6ad3745974a03cc08fc7df1dec60ca
ripemd-160 97703cea6d76ecf44f70367ad37e780e3e54f48c

21494977 as geometric shapes

Circle

Radius = n
Diameter 42989954
Circumference 135056923.66456
Area 1.4515227339303E+15

Sphere

Radius = n
Volume 4.1600597041078E+22
Surface area 5.8060909357211E+15
Circumference 135056923.66456

Square

Length = n
Perimeter 85979908
Area 462034036230529
Diagonal 30398487.996298

Cube

Length = n
Surface area 2772204217383174
Volume 9.9314109819924E+21
Space diagonal 37230392.271524

Equilateral Triangle

Length = n
Perimeter 64484931
Area 2.0006660639435E+14
Altitude 18615196.135762

Triangular Pyramid

Length = n
Surface area 2.0006660639435E+14
Volume 1.1704280086862E+21
Height 10132829.332099