30721893 (number)

30721893 is an odd 8-digits composite number following 30721892 and preceding 30721894. In scientific notation, it is written as 3.0721893 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 20481260 positive integers (up to 30721893) that are relatively prime to 30721893.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand eight hundred ninety-three

Notation

Scientific notation 3.0721893 × 10^7
Engineering notation 3.0721893 × 10^6

Prime Factorization of 30721893

Prime Factorization 3 × 10240631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30721893
Product of the distinct prime numbers

The prime factorization of 30721893 is 3 × 10240631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30721893)

Multiplication

n×y
n×2 61443786
n×3 92165679
n×4 122887572
n×5 153609465

Division

n÷y
n÷2 15360946.5
n÷3 10240631
n÷3 7680473.25
n÷5 6144378.6

Exponentiation

ny
n2 943834709503449
n3 2.8996388955051E+22
n4 8.9082395886346E+29
n5 2.736779834604E+37

Nth Root

y√n
2√n 5542.733350974
3√n 313.19584418607
4√n 74.449535599452
5√n 31.440510889273

Divisors of 30721893

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721892
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721893 can be divided by 4 positive divisors. The sum of these divisors (counting 30721893) is 1, the average is 0.25.

Base conversion 30721893

Base System Value
2 Binary 1110101001100011101100101
3 Ternary 2010210211111220
4 Quaternary 1311030131211
5 Quinary 30331100033
6 Senary 3014250553
8 Octal 165143545
10 Decimal 30721893
12 Duodecimal a356a59
16 Hexadecimal 1d4c765
20 Vigesimal 9c04ed
36 Base36 iah5x

Cryptographic Hash Functions

md5 651788a00a875a3d2ded691e0886c442
sha1 2801e2fa7180bc23451dfc7a30586e176d9708d3
sha256 f09e59273b753ee89b1a856d22b0f7bea7bfb33d43f5de88f1e8afa50c97ba4d
sha512 6d4863695002a2434dd3bd49b5f4aeffbf93c6a00855d45acbc76bd191b683a5cd4bf7da0a4c1a5fa233b4adcbe7228162edfce6850de114e61169eddbe2312c
ripemd-160 568287f5a7795ed938d920d39c531e969600dcfa

30721893 as geometric shapes

Circle

Radius = n
Diameter 61443786
Circumference 193031346.70634
Area 2.9651441895791E+15

Sphere

Radius = n
Volume 1.2145979002909E+23
Surface area 1.1860576758316E+16
Circumference 193031346.70634

Square

Length = n
Perimeter 122887572
Area 943834709503449
Diagonal 43447317.742375

Cube

Length = n
Surface area 5663008257020694
Volume 2.8996388955051E+22
Space diagonal 53211879.580695

Equilateral Triangle

Length = n
Perimeter 92165679
Area 4.0869241770175E+14
Altitude 26605939.790347

Triangular Pyramid

Length = n
Surface area 4.0869241770175E+14
Volume 3.4172572100066E+21
Height 14482439.247458