21531916 (number)

21531916 is an even 8-digits composite number following 21531915 and preceding 21531917. In scientific notation, it is written as 2.1531916 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9206400 positive integers (up to 21531916) that are relatively prime to 21531916.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand nine hundred sixteen

Notation

Scientific notation 2.1531916 × 10^7
Engineering notation 2.1531916 × 10^6

Prime Factorization of 21531916

Prime Factorization 2 × 2 × 7 × 1097 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10765958
Product of the distinct prime numbers

The prime factorization of 21531916 is 2 × 2 × 7 × 1097 × 701. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 23, 9, 778, 36, 6514, 767, 65103, 56360, 988508, 274088, 6172090, 2776915, 69337317, 63614279, 290858568, 917087579, 7243362333, 6903390000

Basic calculations (n = 21531916)

Multiplication

n×y
n×2 43063832
n×3 64595748
n×4 86127664
n×5 107659580

Division

n÷y
n÷2 10765958
n÷3 7177305.3333333
n÷3 5382979
n÷5 4306383.2

Exponentiation

ny
n2 463623406631056
n3 9.9827002472137E+21
n4 2.1494666317619E+29
n5 4.6282134959899E+36

Nth Root

y√n
2√n 4640.2495622542
3√n 278.20241284064
4√n 68.119377289096
5√n 29.283065261223

Divisors of 21531916

1, 2, 4, 7, 14, 28, 701, 1097, 1402, 2194, 2804, 4388, 4907, 7679, 9814, 15358, 19628, 30716, 768997, 1537994, 3075988, 5382979, 10765958, 21531916

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 -21531915
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 21531916 can be divided by 24 positive divisors. The sum of these divisors (counting 21531916) is 1, the average is 0.041666666666667.

Base conversion 21531916

Base System Value
2 Binary 1010010001000110100001100
3 Ternary 1111111221020101
4 Quaternary 1102020310030
5 Quinary 21003010131
6 Senary 2045300444
8 Octal 122106414
10 Decimal 21531916
12 Duodecimal 7264724
16 Hexadecimal 1488d0c
20 Vigesimal 6eb9fg
36 Base36 cti4s

Cryptographic Hash Functions

md5 01305b23fae4ef488dba19ec167f1108
sha1 03215b34923813d03708d539cb54cbee20008657
sha256 a622dfcfb84ba2a8520aaa78febf9b4ed1e8890d9925aa4749b157757973c95e
sha512 29b2dc8b9a39131594bc7483a68bd70fd6345f87cb86e47e5b111edbf6edbcb62f1fe0171701c4ab623eb9c5f7eff712fb7e85c4abd7de579fa226d6f4272cae
ripemd-160 48650ad7a1fb120250a6ff3d27e67cd6d8af8997

21531916 as geometric shapes

Circle

Radius = n
Diameter 43063832
Circumference 135289018.24663
Area 1.4565158883044E+15

Sphere

Radius = n
Volume 4.1815437012848E+22
Surface area 5.8260635532176E+15
Circumference 135289018.24663

Square

Length = n
Perimeter 86127664
Area 463623406631056
Diagonal 30450727.631078

Cube

Length = n
Surface area 2781740439786336
Volume 9.9827002472137E+21
Space diagonal 37294372.496305

Equilateral Triangle

Length = n
Perimeter 64595748
Area 2.0075482396579E+14
Altitude 18647186.248153

Triangular Pyramid

Length = n
Surface area 2.0075482396579E+14
Volume 1.1764725065596E+21
Height 10150242.543693