21493045 (number)

21493045 is an odd 8-digits composite number following 21493044 and preceding 21493046. In scientific notation, it is written as 2.1493045 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14495040 positive integers (up to 21493045) that are relatively prime to 21493045.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand forty-five

Notation

Scientific notation 2.1493045 × 10^7
Engineering notation 2.1493045 × 10^6

Prime Factorization of 21493045

Prime Factorization 5 × 7 × 61 × 10067

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493045
Product of the distinct prime numbers

The prime factorization of 21493045 is 5 × 7 × 61 × 10067. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 46, 29, 866, 682, 4470, 5872, 89006, 5177, 93537, 469184, 2936018, 9076557, 6502553, 72260992, 926614439, 753887485, 9787412026, 5369609037

Basic calculations (n = 21493045)

Multiplication

n×y
n×2 42986090
n×3 64479135
n×4 85972180
n×5 107465225

Division

n÷y
n÷2 10746522.5
n÷3 7164348.3333333
n÷3 5373261.25
n÷5 4298609

Exponentiation

ny
n2 461950983372025
n3 9.9287332734092E+21
n4 2.1339871103838E+29
n5 4.5865880992899E+36

Nth Root

y√n
2√n 4636.0592101482
3√n 278.03490150635
4√n 68.088612925718
5√n 29.27248482917

Divisors of 21493045

1, 5, 7, 35, 61, 305, 427, 2135, 10067, 50335, 70469, 352345, 614087, 3070435, 4298609, 21493045

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 -21493044
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 21493045 can be divided by 16 positive divisors. The sum of these divisors (counting 21493045) is 1, the average is 0.0625.

Base conversion 21493045

Base System Value
2 Binary 1010001111111010100110101
3 Ternary 1111102221220201
4 Quaternary 1101333110311
5 Quinary 21000234140
6 Senary 2044400501
8 Octal 121772465
10 Decimal 21493045
12 Duodecimal 7246131
16 Hexadecimal 147f535
20 Vigesimal 6e6cc5
36 Base36 cso51

Cryptographic Hash Functions

md5 283ce105ff76c4817107a3c92b64f11d
sha1 a2cac9ae693d0302be0c7748a05c7e7f4d431131
sha256 86414f26b040cfdb4ee2e6cc2c145013a09d11eea4c26a4a14a3c995c7cb1ced
sha512 9bfa9a56c00e4ea7b710ad75ee77d65262a2f94fc5f2b7143fa9a9a6a839da8b231c1c30926ab06b6b8d1b30637dd25fbcd8cb77f8d958f06175eed4a34a367e
ripemd-160 b236ee740e8d92a919f91f8c05aa47a946028190

21493045 as geometric shapes

Circle

Radius = n
Diameter 42986090
Circumference 135044784.55055
Area 1.4512618156801E+15

Sphere

Radius = n
Volume 4.1589380681593E+22
Surface area 5.8050472627205E+15
Circumference 135044784.55055

Square

Length = n
Perimeter 85972180
Area 461950983372025
Diagonal 30395755.735695

Cube

Length = n
Surface area 2771705900232150
Volume 9.9287332734092E+21
Space diagonal 37227045.949364

Equilateral Triangle

Length = n
Perimeter 64479135
Area 2.0003064345169E+14
Altitude 18613522.974682

Triangular Pyramid

Length = n
Surface area 2.0003064345169E+14
Volume 1.1701124377034E+21
Height 10131918.578565