30781321 (number)

30781321 is an odd 8-digits prime number following 30781320 and preceding 30781322. In scientific notation, it is written as 3.0781321 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 30781320 positive integers (up to 30781321) that are relatively prime to 30781321.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0781321 × 10^7
Engineering notation 3.0781321 × 10^6

Prime Factorization of 30781321

Prime Factorization 30781321

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 30781321
Product of the distinct prime numbers

The prime factorization of 30781321 is 30781321. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30781321)

Multiplication

n×y
n×2 61562642
n×3 92343963
n×4 123125284
n×5 153906605

Division

n÷y
n÷2 15390660.5
n÷3 10260440.333333
n÷3 7695330.25
n÷5 6156264.2

Exponentiation

ny
n2 947489722505041
n3 2.9164985292629E+22
n4 8.9773677425268E+29
n5 2.7633523821776E+37

Nth Root

y√n
2√n 5548.0916538933
3√n 313.39766133093
4√n 74.485513047124
5√n 31.452665105408

Divisors of 30781321

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 30781322
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 15390661
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5548.0917440143
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999350255
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30781321 can be divided by 2 positive divisors. The sum of these divisors (counting 30781321) is 30781322, the average is 15390661.

Base conversion 30781321

Base System Value
2 Binary 1110101011010111110001001
3 Ternary 2010220212000221
4 Quaternary 1311122332021
5 Quinary 30340000241
6 Senary 3015430041
8 Octal 165327611
10 Decimal 30781321
12 Duodecimal a385321
16 Hexadecimal 1d5af89
20 Vigesimal 9c7d61
36 Base36 ibr0p

Cryptographic Hash Functions

md5 9c1e8e2b8590207512a3f448531658d6
sha1 ad8fb5681e03c4416e0b5841287a3e035d176245
sha256 ce3208aa1c9cd1e0f2f3eccc4c34f9ad523e8f46d4ca7cd79fdd498ba802a114
sha512 426f19740909193dc43eb8385c1258f29385da82a7a6795a959e53826e5ab21ac95ac59c58e1cf28f903c0a47421fdef675805fe2215ae6a6d8f16eff98167a2
ripemd-160 6d8cb8b7f68f300e5c2f21fdb123c10887ea97cb

30781321 as geometric shapes

Circle

Radius = n
Diameter 61562642
Circumference 193404743.84278
Area 2.9766267515737E+15

Sphere

Radius = n
Volume 1.221660047165E+23
Surface area 1.1906507006295E+16
Circumference 193404743.84278

Square

Length = n
Perimeter 123125284
Area 947489722505041
Diagonal 43531361.62596

Cube

Length = n
Surface area 5684938335030246
Volume 2.9164985292629E+22
Space diagonal 53314811.896087

Equilateral Triangle

Length = n
Perimeter 92343963
Area 4.1027508475702E+14
Altitude 26657405.948043

Triangular Pyramid

Length = n
Surface area 4.1027508475702E+14
Volume 3.4371264789373E+21
Height 14510453.87532