30856721 (number)

30856721 is an odd 8-digits composite number following 30856720 and preceding 30856722. In scientific notation, it is written as 3.0856721 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 26339040 positive integers (up to 30856721) that are relatively prime to 30856721.

Interesting facts

Basic properties

Name

Name thirty million eight hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 3.0856721 × 10^7
Engineering notation 3.0856721 × 10^6

Prime Factorization of 30856721

Prime Factorization 49 × 269 × 2341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30856721
Product of the distinct prime numbers

The prime factorization of 30856721 is 49 × 269 × 2341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30856721)

Multiplication

n×y
n×2 61713442
n×3 92570163
n×4 123426884
n×5 154283605

Division

n÷y
n÷2 15428360.5
n÷3 10285573.666667
n÷3 7714180.25
n÷5 6171344.2

Exponentiation

ny
n2 952137230871841
n3 2.9379832886725E+22
n4 9.065653064123E+29
n5 2.7973632728244E+37

Nth Root

y√n
2√n 5554.8826270228
3√n 313.65334578252
4√n 74.531084971459
5√n 31.468058926204

Divisors of 30856721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30856720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30856721 can be divided by 8 positive divisors. The sum of these divisors (counting 30856721) is 1, the average is 0.125.

Base conversion 30856721

Base System Value
2 Binary 1110101101101011000010001
3 Ternary 2011001200110112
4 Quaternary 1311231120101
5 Quinary 30344403341
6 Senary 3021211105
8 Octal 165553021
10 Decimal 30856721
12 Duodecimal a400a95
16 Hexadecimal 1d6d611
20 Vigesimal 9ch1g1
36 Base36 idd75

Cryptographic Hash Functions

md5 149efc51970a514eccd06d6a00302bfd
sha1 1e78b3c88c7c9350685a4aa2692e8e7d4514f767
sha256 3319b851dd5cd1e6d9eb2168a084a416ecb1d75f31ff191a7b160e5c26ab8087
sha512 452d3e00bcf91e161484b5059ea3b11744e64f9efcdf7b8e7a13b65f81fd91713c715e03da50ff4f6acaa408a70c7b2c996f3f59852689792cc6ec2ef1c12540
ripemd-160 ad6a7764df3db53cfce9878bc776b86867ddce9b

30856721 as geometric shapes

Circle

Radius = n
Diameter 61713442
Circumference 193878496.01494
Area 2.9912273297163E+15

Sphere

Radius = n
Volume 1.2306595621417E+23
Surface area 1.1964909318865E+16
Circumference 193878496.01494

Square

Length = n
Perimeter 123426884
Area 952137230871841
Diagonal 43637993.328563

Cube

Length = n
Surface area 5712823385231046
Volume 2.9379832886725E+22
Space diagonal 53445408.526978

Equilateral Triangle

Length = n
Perimeter 92570163
Area 4.1228751491199E+14
Altitude 26722704.263489

Triangular Pyramid

Length = n
Surface area 4.1228751491199E+14
Volume 3.4624465107218E+21
Height 14545997.776188