21497948 (number)

21497948 is an even 8-digits composite number following 21497947 and preceding 21497949. In scientific notation, it is written as 2.1497948 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 10409840 positive integers (up to 21497948) that are relatively prime to 21497948.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred forty-eight

Notation

Scientific notation 2.1497948 × 10^7
Engineering notation 2.1497948 × 10^6

Prime Factorization of 21497948

Prime Factorization 2 × 2 × 71 × 59 × 1283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10748974
Product of the distinct prime numbers

The prime factorization of 21497948 is 2 × 2 × 71 × 59 × 1283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 26, 20, 310, 751, 2168, 5565, 99991, 20192, 843972, 110707, 4946497, 3389983, 93512538, 76410536, 997404653, 23558045, 8310168998, 4237786408

Basic calculations (n = 21497948)

Multiplication

n×y
n×2 42995896
n×3 64493844
n×4 85991792
n×5 107489740

Division

n÷y
n÷2 10748974
n÷3 7165982.6666667
n÷3 5374487
n÷5 4299589.6

Exponentiation

ny
n2 462161768210704
n3 9.9355296605818E+21
n4 2.1359349999564E+29
n5 4.5918219560444E+36

Nth Root

y√n
2√n 4636.5879696173
3√n 278.05604170119
4√n 68.092495692384
5√n 29.273820236961

Divisors of 21497948

1, 2, 4, 59, 71, 118, 142, 236, 284, 1283, 2566, 4189, 5132, 8378, 16756, 75697, 91093, 151394, 182186, 302788, 364372, 5374487, 10748974, 21497948

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 -21497947
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 21497948 can be divided by 24 positive divisors. The sum of these divisors (counting 21497948) is 1, the average is 0.041666666666667.

Base conversion 21497948

Base System Value
2 Binary 1010010000000100001011100
3 Ternary 1111110012122022
4 Quaternary 1102000201130
5 Quinary 21000413243
6 Senary 2044435312
8 Octal 122004134
10 Decimal 21497948
12 Duodecimal 7248b38
16 Hexadecimal 148085c
20 Vigesimal 6e74h8
36 Base36 csrx8

Cryptographic Hash Functions

md5 482fbbb588e7f7b926eaab976c71814e
sha1 d8561f4cf3f951261cd856ebeaac1a4e42bfccea
sha256 ca5b9bab6ddbb7650331a4faefd0b2af00a8297dc83305f586475095269c00c3
sha512 3eebb07e94056f18f87a073dfccd59136543b5646bf56aa1d9294efcb426d9f30516daa6e53531ba5076b05c383793a2b8f139140f44fb5383e12ec466f1887e
ripemd-160 bcd26aaaedbb1d2871dcac2adb930b91606b06c0

21497948 as geometric shapes

Circle

Radius = n
Diameter 42995896
Circumference 135075591.00811
Area 1.4519240157808E+15

Sphere

Radius = n
Volume 4.161784932161E+22
Surface area 5.8076960631233E+15
Circumference 135075591.00811

Square

Length = n
Perimeter 85991792
Area 462161768210704
Diagonal 30402689.624792

Cube

Length = n
Surface area 2772970609264224
Volume 9.9355296605818E+21
Space diagonal 37235538.194474

Equilateral Triangle

Length = n
Perimeter 64493844
Area 2.001219159642E+14
Altitude 18617769.097237

Triangular Pyramid

Length = n
Surface area 2.001219159642E+14
Volume 1.1709133996129E+21
Height 10134229.874931