21081736 (number)

21081736 is an even 8-digits composite number following 21081735 and preceding 21081737. In scientific notation, it is written as 2.1081736 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 9397440 positive integers (up to 21081736) that are relatively prime to 21081736.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand seven hundred thirty-six

Notation

Scientific notation 2.1081736 × 10^7
Engineering notation 2.1081736 × 10^6

Prime Factorization of 21081736

Prime Factorization 2 × 2 × 2 × 169 × 31 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5270434
Product of the distinct prime numbers

The prime factorization of 21081736 is 2 × 2 × 2 × 169 × 31 × 503. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 8, 56, 52, 648, 268, 5570, 2320, 70926, 10030, 425818, 668171, 5062801, 7378484, 67242288, 6361204, 101216898, 556957790, 7464144597, 7774689961

Basic calculations (n = 21081736)

Multiplication

n×y
n×2 42163472
n×3 63245208
n×4 84326944
n×5 105408680

Division

n÷y
n÷2 10540868
n÷3 7027245.3333333
n÷3 5270434
n÷5 4216347.2

Exponentiation

ny
n2 444439592773696
n3 9.3695581628026E+21
n4 1.9752655162485E+29
n5 4.1642026143454E+36

Nth Root

y√n
2√n 4591.4851627769
3√n 276.24989619373
4√n 67.760498542859
5√n 29.159580655887

Divisors of 21081736

1, 2, 4, 8, 31, 62, 124, 169, 248, 338, 503, 676, 1006, 1352, 2012, 4024, 5239, 10478, 15593, 20956, 31186, 41912, 62372, 85007, 124744, 170014, 340028, 680056, 2635217, 5270434, 10540868, 21081736

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081735
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081736 can be divided by 32 positive divisors. The sum of these divisors (counting 21081736) is 1, the average is 0.03125.

Base conversion 21081736

Base System Value
2 Binary 1010000011010111010001000
3 Ternary 1110200001201001
4 Quaternary 1100122322020
5 Quinary 20344103421
6 Senary 2031504344
8 Octal 120327210
10 Decimal 21081736
12 Duodecimal 70880b4
16 Hexadecimal 141ae88
20 Vigesimal 6bf46g
36 Base36 cjurs

Cryptographic Hash Functions

md5 6250888ff589b3fdd0c99002c879c7ee
sha1 2cf081baf3d02a46ae01d0f49fa3fa1cbd94d12d
sha256 8868a720d98aa3a7b1b34fac7079a0b5cc3a4bda41e1d830937af066a4254b71
sha512 ea62e5e720750756d7c75a798efecd7aec0ab437a255a99f7f05667bb44e4445c0290e95a347c829c68a31a41835a3943b345518a5318233046ecec92a975549
ripemd-160 dc19a9b2a74d413a1b04c36a2adfc155c582e616

21081736 as geometric shapes

Circle

Radius = n
Diameter 42163472
Circumference 132460453.88504
Area 1.3962481596223E+15

Sphere

Radius = n
Volume 3.9247113455524E+22
Surface area 5.5849926384891E+15
Circumference 132460453.88504

Square

Length = n
Perimeter 84326944
Area 444439592773696
Diagonal 29814076.969569

Cube

Length = n
Surface area 2666637556642176
Volume 9.3695581628026E+21
Space diagonal 36514637.863754

Equilateral Triangle

Length = n
Perimeter 63245208
Area 1.9244798889482E+14
Altitude 18257318.931877

Triangular Pyramid

Length = n
Surface area 1.9244798889482E+14
Volume 1.1042130189399E+21
Height 9938025.656523