21125864 (number)

21125864 is an even 8-digits composite number following 21125863 and preceding 21125865. In scientific notation, it is written as 2.1125864 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10428912 positive integers (up to 21125864) that are relatively prime to 21125864.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand eight hundred sixty-four

Notation

Scientific notation 2.1125864 × 10^7
Engineering notation 2.1125864 × 10^6

Prime Factorization of 21125864

Prime Factorization 2 × 2 × 2 × 79 × 33427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5281466
Product of the distinct prime numbers

The prime factorization of 21125864 is 2 × 2 × 2 × 79 × 33427. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 21, 82, 37, 750, 3053, 3735, 20119, 21729, 619479, 320064, 8838433, 221391, 41640287, 82528143, 636477592, 593088497, 6606164201, 5030905677

Basic calculations (n = 21125864)

Multiplication

n×y
n×2 42251728
n×3 63377592
n×4 84503456
n×5 105629320

Division

n÷y
n÷2 10562932
n÷3 7041954.6666667
n÷3 5281466
n÷5 4225172.8

Exponentiation

ny
n2 446302129746496
n3 9.4285180959348E+21
n4 1.9918559101626E+29
n5 4.2079677065691E+36

Nth Root

y√n
2√n 4596.2880675606
3√n 276.44250935954
4√n 67.795929579589
5√n 29.171777734533

Divisors of 21125864

1, 2, 4, 8, 79, 158, 316, 632, 33427, 66854, 133708, 267416, 2640733, 5281466, 10562932, 21125864

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 -21125863
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 21125864 can be divided by 16 positive divisors. The sum of these divisors (counting 21125864) is 1, the average is 0.0625.

Base conversion 21125864

Base System Value
2 Binary 1010000100101101011101000
3 Ternary 1110202022020102
4 Quaternary 1100211223220
5 Quinary 20402011424
6 Senary 2032444532
8 Octal 120455350
10 Decimal 21125864
12 Duodecimal 70a9748
16 Hexadecimal 1425ae8
20 Vigesimal 6c0ed4
36 Base36 ckstk

Cryptographic Hash Functions

md5 2ffe175b9e59427423277ad396151826
sha1 3ffab802d9bec1187070f5155996dc70da07b049
sha256 d20bf950af1751b24f4660f0313124aa4053b758297cfd535858d1ee3a5395bf
sha512 60af20a3a04afe2c677b3e7e04540ef2e7ef8d85dc774894c82eaccfa2c5e87e13ede693df70034c1aa31cca0d256a954531417be0509b2dc4e3afaaec29dfe7
ripemd-160 2460f9a481d9ad709bd3e9e9432c5d8cd808bef6

21125864 as geometric shapes

Circle

Radius = n
Diameter 42251728
Circumference 132737718.28627
Area 1.4020994920931E+15

Sphere

Radius = n
Volume 3.9494084245903E+22
Surface area 5.6083979683723E+15
Circumference 132737718.28627

Square

Length = n
Perimeter 84503456
Area 446302129746496
Diagonal 29876483.38565

Cube

Length = n
Surface area 2677812778478976
Volume 9.4285180959348E+21
Space diagonal 36591069.80179

Equilateral Triangle

Length = n
Perimeter 63377592
Area 1.9325449106178E+14
Altitude 18295534.900895

Triangular Pyramid

Length = n
Surface area 1.9325449106178E+14
Volume 1.1111615136959E+21
Height 9958827.7952165