21497750 (number)

21497750 is an even 8-digits composite number following 21497749 and preceding 21497751. In scientific notation, it is written as 2.1497750 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8599000 positive integers (up to 21497750) that are relatively prime to 21497750.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497750 × 10^7
Engineering notation 2.1497750 × 10^6

Prime Factorization of 21497750

Prime Factorization 2 × 5 × 25 × 85991

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497750
Product of the distinct prime numbers

The prime factorization of 21497750 is 2 × 5 × 25 × 85991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 45, 67, 165, 61, 1011, 657, 73579, 17306, 559310, 103443, 3475743, 1380836, 97005527, 16413149, 912509137, 300212843, 8298460755, 6838727954

Basic calculations (n = 21497750)

Multiplication

n×y
n×2 42995500
n×3 64493250
n×4 85991000
n×5 107488750

Division

n÷y
n÷2 10748875
n÷3 7165916.6666667
n÷3 5374437.5
n÷5 4299550

Exponentiation

ny
n2 462153255062500
n3 9.9352551390199E+21
n4 2.1358563116486E+29
n5 4.5916105023745E+36

Nth Root

y√n
2√n 4636.5666176601
3√n 278.05518804971
4√n 68.092338905784
5√n 29.273766313324

Divisors of 21497750

1, 2, 5, 10, 25, 50, 125, 250, 85991, 171982, 429955, 859910, 2149775, 4299550, 10748875, 21497750

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 -21497749
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 21497750 can be divided by 16 positive divisors. The sum of these divisors (counting 21497750) is 1, the average is 0.0625.

Base conversion 21497750

Base System Value
2 Binary 1010010000000011110010110
3 Ternary 1111110012100222
4 Quaternary 1102000132112
5 Quinary 21000412000
6 Senary 2044434342
8 Octal 122003626
10 Decimal 21497750
12 Duodecimal 72489b2
16 Hexadecimal 1480796
20 Vigesimal 6e747a
36 Base36 csrrq

Cryptographic Hash Functions

md5 6dc73964a66bad32f1af3a5f34648f48
sha1 5f5dc6d197b3e4cde7705833296655cbaedbb3e6
sha256 e73dc695850b371d9c6bd339847cd79504a880459db73cbf9fc0e251aa86eb80
sha512 56ece8f8f18c2eb63607f15090ffc94c17c24654e29c35be61a915a2a77343cb4cabdc0a533b90962807fff68a3396c6aa04b290dab2f2ed96cf4eaddec7eeec
ripemd-160 7ca59fb056c26e8a11d3826dc46fb0442c9dca54

21497750 as geometric shapes

Circle

Radius = n
Diameter 42995500
Circumference 135074346.93742
Area 1.451897270937E+15

Sphere

Radius = n
Volume 4.161669940838E+22
Surface area 5.8075890837478E+15
Circumference 135074346.93742

Square

Length = n
Perimeter 85991000
Area 462153255062500
Diagonal 30402409.610506

Cube

Length = n
Surface area 2772919530375000
Volume 9.9352551390199E+21
Space diagonal 37235195.248414

Equilateral Triangle

Length = n
Perimeter 64493250
Area 2.001182296629E+14
Altitude 18617597.624207

Triangular Pyramid

Length = n
Surface area 2.001182296629E+14
Volume 1.1708810469366E+21
Height 10134136.536835