21971808 (number)

21971808 is an even 8-digits composite number following 21971807 and preceding 21971809. In scientific notation, it is written as 2.1971808 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 96 positive divisors. There are 6716160 positive integers (up to 21971808) that are relatively prime to 21971808.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-one thousand eight hundred eight

Notation

Scientific notation 2.1971808 × 10^7
Engineering notation 2.1971808 × 10^6

Prime Factorization of 21971808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 31 × 23 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1373238
Product of the distinct prime numbers

The prime factorization of 21971808 is 2 × 2 × 2 × 2 × 2 × 9 × 31 × 23 × 107. Since it has a total of 9 prime factors.

Most popular turbo-numbers

4, 6, 99, 73, 233, 567, 8075, 5738, 3113, 62998, 962474, 355945, 2250383, 9821653, 33466257, 25440611, 420985508, 920747292, 9486385030, 7604417154

Basic calculations (n = 21971808)

Multiplication

n×y
n×2 43943616
n×3 65915424
n×4 87887232
n×5 109859040

Division

n÷y
n÷2 10985904
n÷3 7323936
n÷3 5492952
n÷5 4394361.6

Exponentiation

ny
n2 482760346788864
n3 1.0607117649658E+22
n4 2.330575524317E+29
n5 5.1206957949793E+36

Nth Root

y√n
2√n 4687.4095191267
3√n 280.08419236898
4√n 68.464658906086
5√n 29.401748548134

Divisors of 21971808

1, 2, 4, 8, 9, 16, 18, 23, 31, 32, 36, 46, 62, 72, 92, 107, 124, 144, 184, 207, 214, 248, 279, 288, 368, 414, 428, 496, 558, 713, 736, 828, 856, 963, 992, 1116, 1426, 1656, 1712, 1926, 2232, 2461, 2852, 3312, 3317, 3424, 3852, 4464, 4922, 5704, 6417, 6624, 6634, 7704, 8928, 9844, 11408, 12834, 13268, 15408, 19688, 22149, 22816, 25668, 26536, 29853, 30816, 39376, 44298, 51336, 53072, 59706, 76291, 78752, 88596, 102672, 106144, 119412, 152582, 177192, 205344, 238824, 305164, 354384, 477648, 610328, 686619, 708768, 955296, 1220656, 1373238, 2441312, 2746476, 5492952, 10985904, 21971808

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21971807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21971808 can be divided by 96 positive divisors. The sum of these divisors (counting 21971808) is 1, the average is 0.010416666666667.

Base conversion 21971808

Base System Value
2 Binary 1010011110100001101100000
3 Ternary 1112100021122200
4 Quaternary 1103310031200
5 Quinary 21111044213
6 Senary 2102533200
8 Octal 123641540
10 Decimal 21971808
12 Duodecimal 7437200
16 Hexadecimal 14f4360
20 Vigesimal 6h69a8
36 Base36 d2xk0

Cryptographic Hash Functions

md5 a005c94f175b0767fbe70febefb7907b
sha1 bfffad72eb6a03c21bb34646c7d069ec9dfacce8
sha256 cac56b16ee9da7ae7e02d38384181d3439d13a02abd09e7ab076279e58805694
sha512 c7238d5c2dcf9d781d49df254c57edd80c60f0cf883f02d7e24e7d570e97d1eb625b4cbda9c7d4307d1abe303de6220de586080fa9f4ad19f9d788e9ba584eb3
ripemd-160 b629d93ed2833be101893d017e33ec48dd654244

21971808 as geometric shapes

Circle

Radius = n
Diameter 43943616
Circumference 138052941.19777
Area 1.5166363589164E+15

Sphere

Radius = n
Volume 4.4430990511906E+22
Surface area 6.0665454356654E+15
Circumference 138052941.19777

Square

Length = n
Perimeter 87887232
Area 482760346788864
Diagonal 31072828.863458

Cube

Length = n
Surface area 2896562080733184
Volume 1.0607117649658E+22
Space diagonal 38056287.790148

Equilateral Triangle

Length = n
Perimeter 65915424
Area 2.0904136212947E+14
Altitude 19028143.895074

Triangular Pyramid

Length = n
Surface area 2.0904136212947E+14
Volume 1.2500608031528E+21
Height 10357609.621153