21127785 (number)

21127785 is an odd 8-digits composite number following 21127784 and preceding 21127786. In scientific notation, it is written as 2.1127785 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 9612480 positive integers (up to 21127785) that are relatively prime to 21127785.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-seven thousand seven hundred eighty-five

Notation

Scientific notation 2.1127785 × 10^7
Engineering notation 2.1127785 × 10^6

Prime Factorization of 21127785

Prime Factorization 3 × 5 × 7 × 311 × 647

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21127785
Product of the distinct prime numbers

The prime factorization of 21127785 is 3 × 5 × 7 × 311 × 647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 53, 5, 96, 464, 7689, 3235, 71043, 45025, 557540, 859446, 9412101, 7643266, 23709543, 83453616, 515103794, 260997381, 3333445480, 2751671354

Basic calculations (n = 21127785)

Multiplication

n×y
n×2 42255570
n×3 63383355
n×4 84511140
n×5 105638925

Division

n÷y
n÷2 10563892.5
n÷3 7042595
n÷3 5281946.25
n÷5 4225557

Exponentiation

ny
n2 446383299006225
n3 9.4310903689942E+21
n4 1.9925804963168E+29
n5 4.2098812321375E+36

Nth Root

y√n
2√n 4596.4970357871
3√n 276.4508881879
4√n 67.797470718214
5√n 29.172308240144

Divisors of 21127785

1, 3, 5, 7, 15, 21, 35, 105, 311, 647, 933, 1555, 1941, 2177, 3235, 4529, 4665, 6531, 9705, 10885, 13587, 22645, 32655, 67935, 201217, 603651, 1006085, 1408519, 3018255, 4225557, 7042595, 21127785

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 -21127784
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 21127785 can be divided by 32 positive divisors. The sum of these divisors (counting 21127785) is 1, the average is 0.03125.

Base conversion 21127785

Base System Value
2 Binary 1010000100110001001101001
3 Ternary 1110202101212120
4 Quaternary 1100212021221
5 Quinary 20402042120
6 Senary 2032501453
8 Octal 120461151
10 Decimal 21127785
12 Duodecimal 70aa889
16 Hexadecimal 1426269
20 Vigesimal 6c0j95
36 Base36 ckuax

Cryptographic Hash Functions

md5 675a30b4ed1f4c3ec023a3cbc89e828f
sha1 a57466439132895862b654a158b87c00946e36ed
sha256 d67d19634ab8d399e372e4236b2f944e23cb014b8a53411e0997903ac45dc69c
sha512 a7b7e52ae5c01caf6cf41f74a0cd5bac87e2707fdf4043723b3c48068738f4b2c6cf2c062dd873a6e97767f7c5688eae962c3ecbf88d55f1b8eaba97552d96b5
ripemd-160 baf0a45c1dd2a01b9f81ff8667ee1c3733a80b5d

21127785 as geometric shapes

Circle

Radius = n
Diameter 42255570
Circumference 132749788.28525
Area 1.4023544928431E+15

Sphere

Radius = n
Volume 3.9504858958098E+22
Surface area 5.6094179713725E+15
Circumference 132749788.28525

Square

Length = n
Perimeter 84511140
Area 446383299006225
Diagonal 29879200.089903

Cube

Length = n
Surface area 2678299794037350
Volume 9.4310903689942E+21
Space diagonal 36594397.071392

Equilateral Triangle

Length = n
Perimeter 63383355
Area 1.9328963838225E+14
Altitude 18297198.535696

Triangular Pyramid

Length = n
Surface area 1.9328963838225E+14
Volume 1.1114646589832E+21
Height 9959733.3633009