21492970 (number)

21492970 is an even 8-digits composite number following 21492969 and preceding 21492971. In scientific notation, it is written as 2.1492970 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8583120 positive integers (up to 21492970) that are relatively prime to 21492970.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492970 × 10^7
Engineering notation 2.1492970 × 10^6

Prime Factorization of 21492970

Prime Factorization 2 × 5 × 787 × 2731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492970
Product of the distinct prime numbers

The prime factorization of 21492970 is 2 × 5 × 787 × 2731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 21, 84, 268, 785, 4207, 8694, 66557, 89863, 642821, 913351, 5073844, 6854095, 76300761, 68472184, 463534045, 463855256, 8386040198, 2959286193

Basic calculations (n = 21492970)

Multiplication

n×y
n×2 42985940
n×3 64478910
n×4 85971880
n×5 107464850

Division

n÷y
n÷2 10746485
n÷3 7164323.3333333
n÷3 5373242.5
n÷5 4298594

Exponentiation

ny
n2 461947759420900
n3 9.9286293348006E+21
n4 2.1339573243399E+29
n5 4.5865080753318E+36

Nth Root

y√n
2√n 4636.0511213747
3√n 278.03457810496
4√n 68.088553526821
5√n 29.272464399869

Divisors of 21492970

1, 2, 5, 10, 787, 1574, 2731, 3935, 5462, 7870, 13655, 27310, 2149297, 4298594, 10746485, 21492970

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 -21492969
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 21492970 can be divided by 16 positive divisors. The sum of these divisors (counting 21492970) is 1, the average is 0.0625.

Base conversion 21492970

Base System Value
2 Binary 1010001111111010011101010
3 Ternary 1111102221210221
4 Quaternary 1101333103222
5 Quinary 21000233340
6 Senary 2044400254
8 Octal 121772352
10 Decimal 21492970
12 Duodecimal 724608a
16 Hexadecimal 147f4ea
20 Vigesimal 6e6c8a
36 Base36 cso2y

Cryptographic Hash Functions

md5 e11cdadba9e3ea787971e29eec75b2a7
sha1 401fca1d6e50f6405f9cd57d03309ce3d55f5d87
sha256 7c1026f72a7471234625db759d67394db8f0b6a507156080b03acaf806cda21d
sha512 f21c791ff8ef70e128e381c528b36a7c7addff9bc7fea2f4b160b00c7466012748c427a002dfdad3c90c9dca49a11c29ab1fc55ade7e62546cfe2b61e1e837c9
ripemd-160 374f1ca1c15699db02842f7e61d4688044a677a7

21492970 as geometric shapes

Circle

Radius = n
Diameter 42985940
Circumference 135044313.31165
Area 1.451251687339E+15

Sphere

Radius = n
Volume 4.1588945304568E+22
Surface area 5.8050067493559E+15
Circumference 135044313.31165

Square

Length = n
Perimeter 85971880
Area 461947759420900
Diagonal 30395649.669678

Cube

Length = n
Surface area 2771686556525400
Volume 9.9286293348006E+21
Space diagonal 37226916.045554

Equilateral Triangle

Length = n
Perimeter 64478910
Area 2.000292474399E+14
Altitude 18613458.022777

Triangular Pyramid

Length = n
Surface area 2.000292474399E+14
Volume 1.1701001884209E+21
Height 10131883.223226