21531755 (number)

21531755 is an odd 8-digits composite number following 21531754 and preceding 21531756. In scientific notation, it is written as 2.1531755 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14512992 positive integers (up to 21531755) that are relatively prime to 21531755.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand seven hundred fifty-five

Notation

Scientific notation 2.1531755 × 10^7
Engineering notation 2.1531755 × 10^6

Prime Factorization of 21531755

Prime Factorization 5 × 7 × 59 × 10427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531755
Product of the distinct prime numbers

The prime factorization of 21531755 is 5 × 7 × 59 × 10427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 78, 10, 739, 606, 50, 8508, 72983, 66583, 411600, 580778, 7741462, 5108625, 66686615, 48010510, 663641116, 333903923, 4131186859, 6857446698

Basic calculations (n = 21531755)

Multiplication

n×y
n×2 43063510
n×3 64595265
n×4 86127020
n×5 107658775

Division

n÷y
n÷2 10765877.5
n÷3 7177251.6666667
n÷3 5382938.75
n÷5 4306351

Exponentiation

ny
n2 463616473380025
n3 9.9824763187827E+21
n4 2.1494023438933E+29
n5 4.6280404665137E+36

Nth Root

y√n
2√n 4640.2322140169
3√n 278.20171944051
4√n 68.119249951955
5√n 29.283021469601

Divisors of 21531755

1, 5, 7, 35, 59, 295, 413, 2065, 10427, 52135, 72989, 364945, 615193, 3075965, 4306351, 21531755

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 -21531754
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 21531755 can be divided by 16 positive divisors. The sum of these divisors (counting 21531755) is 1, the average is 0.0625.

Base conversion 21531755

Base System Value
2 Binary 1010010001000110001101011
3 Ternary 1111111221000102
4 Quaternary 1102020301223
5 Quinary 21003004010
6 Senary 2045300015
8 Octal 122106153
10 Decimal 21531755
12 Duodecimal 726460b
16 Hexadecimal 1488c6b
20 Vigesimal 6eb97f
36 Base36 cti0b

Cryptographic Hash Functions

md5 88174d7f58868420a9c009c517693c49
sha1 83e4070205de3f3fdec46b3597eabecfee59f3f8
sha256 696c7152ffced5f787bf785f7d3c861c6b26a6b58f1c407966b887a737dd7d82
sha512 cead2c91925934b26c407d29fbdda3c20d7fee9345bd5aaa4d874b19c49fce342592548ad66491ac9a6b29b09ed7a048d8cb36e4d47d10291c4905f174bf7643
ripemd-160 fc06c1d63c8c184fa753e88d03a9bb64d464422c

21531755 as geometric shapes

Circle

Radius = n
Diameter 43063510
Circumference 135288006.65379
Area 1.4564941068539E+15

Sphere

Radius = n
Volume 4.1814499023629E+22
Surface area 5.8259764274156E+15
Circumference 135288006.65379

Square

Length = n
Perimeter 86127020
Area 463616473380025
Diagonal 30450499.942695

Cube

Length = n
Surface area 2781698840280150
Volume 9.9824763187827E+21
Space diagonal 37294093.636125

Equilateral Triangle

Length = n
Perimeter 64595265
Area 2.0075182178003E+14
Altitude 18647046.818063

Triangular Pyramid

Length = n
Surface area 2.0075182178003E+14
Volume 1.1764461163409E+21
Height 10150166.647565