381272721 (number)

381272721 is an odd 9-digits composite number following 381272720 and preceding 381272722. In scientific notation, it is written as 3.81272721 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 254181812 positive integers (up to 381272721) that are relatively prime to 381272721.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million two hundred seventy-two thousand seven hundred twenty-one

Notation

Scientific notation 3.81272721 × 10^8
Engineering notation 3.81272721 × 10^6

Prime Factorization of 381272721

Prime Factorization 3 × 127090907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 381272721
Product of the distinct prime numbers

The prime factorization of 381272721 is 3 × 127090907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 95, 32, 296, 485, 783, 7261, 98529, 61165, 19091, 583048, 6206496, 8485865, 56428083, 21811723, 12562544, 34996230, 5179339104, 2522141119

Basic calculations (n = 381272721)

Multiplication

n×y
n×2 762545442
n×3 1143818163
n×4 1525090884
n×5 1906363605

Division

n÷y
n÷2 190636360.5
n÷3 127090907
n÷3 95318180.25
n÷5 76254544.2

Exponentiation

ny
n2 145368887778743841
n3 5.5425191392145E+25
n4 2.1132113534029E+34
n5 8.0570984276002E+42

Nth Root

y√n
2√n 19526.206006288
3√n 725.12338510419
4√n 139.73620148798
5√n 52.029199822887

Divisors of 381272721

1, 3, 127090907, 381272721

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 -381272720
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 381272721 can be divided by 4 positive divisors. The sum of these divisors (counting 381272721) is 1, the average is 0.25.

Base conversion 381272721

Base System Value
2 Binary 10110101110011100001010010001
3 Ternary 222120102122211220
4 Quaternary 112232130022101
5 Quinary 1240101211341
6 Senary 101455555253
8 Octal 2656341221
10 Decimal 381272721
12 Duodecimal a782bb29
16 Hexadecimal 16b9c291
20 Vigesimal 5j2j1g1
36 Base36 6azzwx

Cryptographic Hash Functions

md5 97affd69ad1fc48230733eb18ec6c167
sha1 6c4be837de8637f8727fcc6bf837583955d3f03b
sha256 cc811289ec88e7704da1c6723a866129933e5c32d9119a7d4d3e1c1f7839dcaf
sha512 b307ea5d2543611708aa8b58c1c8437e9bc553846466f7ef2d5a8a6ca9001783986a56ad96fbe3c1b789d26e4932cff30bbe0ed312586ff2c80ae34ab47cd51c
ripemd-160 c85a65c3138e3ac8a9c5746a24edb7663bc3a261

381272721 as geometric shapes

Circle

Radius = n
Diameter 762545442
Circumference 2395607158.6156
Area 4.5668982990622E+17

Sphere

Radius = n
Volume 2.3216449880183E+26
Surface area 1.8267593196249E+18
Circumference 2395607158.6156

Square

Length = n
Perimeter 1525090884
Area 145368887778743841
Diagonal 539201053.00109

Cube

Length = n
Surface area 872213326672463046
Volume 5.5425191392145E+25
Space diagonal 660383724.31203

Equilateral Triangle

Length = n
Perimeter 1143818163
Area 6.2946574868141E+16
Altitude 330191862.15602

Triangular Pyramid

Length = n
Surface area 6.2946574868141E+16
Volume 6.5319214469914E+24
Height 179733684.3337