21697725 (number)

21697725 is an odd 8-digits composite number following 21697724 and preceding 21697726. In scientific notation, it is written as 2.1697725 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 9642240 positive integers (up to 21697725) that are relatively prime to 21697725.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-seven thousand seven hundred twenty-five

Notation

Scientific notation 2.1697725 × 10^7
Engineering notation 2.1697725 × 10^6

Prime Factorization of 21697725

Prime Factorization 21 × 5 × 5 × 37 × 1117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4339545
Product of the distinct prime numbers

The prime factorization of 21697725 is 21 × 5 × 5 × 37 × 1117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 79, 11, 30, 446, 2466, 2587, 55580, 61956, 609822, 114286, 7633294, 3901428, 99060155, 52787855, 310401411, 327111692, 6149949588, 8102197045

Basic calculations (n = 21697725)

Multiplication

n×y
n×2 43395450
n×3 65093175
n×4 86790900
n×5 108488625

Division

n÷y
n÷2 10848862.5
n÷3 7232575
n÷3 5424431.25
n÷5 4339545

Exponentiation

ny
n2 470791270175625
n3 1.0215099512671E+22
n4 2.2164442007358E+29
n5 4.809179674541E+36

Nth Root

y√n
2√n 4658.0816867032
3√n 278.91469752521
4√n 68.250140561784
5√n 29.328026505593

Divisors of 21697725

1, 5, 21, 25, 37, 105, 185, 525, 777, 925, 1117, 3885, 5585, 19425, 23457, 27925, 41329, 117285, 206645, 586425, 867909, 1033225, 4339545, 21697725

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 -21697724
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 21697725 can be divided by 24 positive divisors. The sum of these divisors (counting 21697725) is 1, the average is 0.041666666666667.

Base conversion 21697725

Base System Value
2 Binary 1010010110001010010111101
3 Ternary 1111211100200110
4 Quaternary 1102301102331
5 Quinary 21023311400
6 Senary 2053020233
8 Octal 122612275
10 Decimal 21697725
12 Duodecimal 7324679
16 Hexadecimal 14b14bd
20 Vigesimal 6fc465
36 Base36 cx22l

Cryptographic Hash Functions

md5 eaf5dd2197fb99912b94d6b8b1680e3f
sha1 4f7375d9d8ccd336effec45f54431bbd03e5e483
sha256 a5649f8582000d7a26e398e8ea621a119ba835972824ba6e73d2ce8cba17109e
sha512 1363c86c9ab055d727d82ae03d6439d301d2d0be814932f604bd1d57277bda1354f28aec647d0cd1ebf688e83d9c8408c223e4b670df2bd38a36ba7cc5067b7b
ripemd-160 16db47d3142e07107843eaec9cc42bba99194655

21697725 as geometric shapes

Circle

Radius = n
Diameter 43395450
Circumference 136330826.91922
Area 1.479034395758E+15

Sphere

Radius = n
Volume 4.2788908779596E+22
Surface area 5.9161375830318E+15
Circumference 136330826.91922

Square

Length = n
Perimeter 86790900
Area 470791270175625
Diagonal 30685216.967642

Cube

Length = n
Surface area 2824747621053750
Volume 1.0215099512671E+22
Space diagonal 37581562.108657

Equilateral Triangle

Length = n
Perimeter 65093175
Area 2.0385859992602E+14
Altitude 18790781.054329

Triangular Pyramid

Length = n
Surface area 2.0385859992602E+14
Volume 1.2038610226509E+21
Height 10228405.655881