21494907 (number)

21494907 is an odd 8-digits composite number following 21494906 and preceding 21494908. In scientific notation, it is written as 2.1494907 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12227760 positive integers (up to 21494907) that are relatively prime to 21494907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494907 × 10^7
Engineering notation 2.1494907 × 10^6

Prime Factorization of 21494907

Prime Factorization 9 × 7 × 271 × 1259

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494907
Product of the distinct prime numbers

The prime factorization of 21494907 is 9 × 7 × 271 × 1259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 93, 12, 954, 835, 6813, 2655, 37927, 35702, 122737, 595176, 4181551, 4212167, 29209006, 86741210, 697120538, 637686148, 7583962961, 8976144665

Basic calculations (n = 21494907)

Multiplication

n×y
n×2 42989814
n×3 64484721
n×4 85979628
n×5 107474535

Division

n÷y
n÷2 10747453.5
n÷3 7164969
n÷3 5373726.75
n÷5 4298981.4

Exponentiation

ny
n2 462031026938649
n3 9.9313139551608E+21
n4 2.1347266985398E+29
n5 4.5885751855531E+36

Nth Root

y√n
2√n 4636.2600229064
3√n 278.04293024366
4√n 68.090087552495
5√n 29.272992002333

Divisors of 21494907

1, 7, 9, 63, 271, 1259, 1897, 2439, 8813, 11331, 17073, 79317, 341189, 2388323, 3070701, 21494907

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494907 can be divided by 16 positive divisors. The sum of these divisors (counting 21494907) is 1, the average is 0.0625.

Base conversion 21494907

Base System Value
2 Binary 1010001111111110001111011
3 Ternary 1111110001110200
4 Quaternary 1101333301323
5 Quinary 21000314112
6 Senary 2044413243
8 Octal 121776173
10 Decimal 21494907
12 Duodecimal 7247223
16 Hexadecimal 147fc7b
20 Vigesimal 6e6h57
36 Base36 cspkr

Cryptographic Hash Functions

md5 2a4ed67102efc5ef5541e0951abd55f1
sha1 c8571fbe2a3f3770d470eb9047c5966e9c58f5ca
sha256 2a10f5450fd2aa953d835f70406373c3d14e5f91dfa84d476cdc343d93183683
sha512 9b113a9816f9a858bf54a8b4a0827188687a51922741a7fe9bd8ba9fd8f9cd19c71454a857de13fd8b0516c5a060488ac6c1190c8b2b6fbc455fcf4795bd352d
ripemd-160 17898919c2d9ef1314e56d4aef1429bcf1de4876

21494907 as geometric shapes

Circle

Radius = n
Diameter 42989814
Circumference 135056483.84159
Area 1.451513279961E+15

Sphere

Radius = n
Volume 4.1600190616036E+22
Surface area 5.806053119844E+15
Circumference 135056483.84159

Square

Length = n
Perimeter 85979628
Area 462031026938649
Diagonal 30398389.001348

Cube

Length = n
Surface area 2772186161631894
Volume 9.9313139551608E+21
Space diagonal 37230271.027968

Equilateral Triangle

Length = n
Perimeter 64484721
Area 2.0006530333274E+14
Altitude 18615135.513984

Triangular Pyramid

Length = n
Surface area 2.0006530333274E+14
Volume 1.1704165739645E+21
Height 10132796.333783