381219987 (number)

381219987 is an odd 9-digits composite number following 381219986 and preceding 381219988. In scientific notation, it is written as 3.81219987 × 10^8. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 254146656 positive integers (up to 381219987) that are relatively prime to 381219987.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million two hundred nineteen thousand nine hundred eighty-seven

Notation

Scientific notation 3.81219987 × 10^8
Engineering notation 3.81219987 × 10^6

Prime Factorization of 381219987

Prime Factorization 3 × 127073329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 381219987
Product of the distinct prime numbers

The prime factorization of 381219987 is 3 × 127073329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 99, 22, 691, 5, 9021, 7637, 7468, 20499, 520165, 690685, 8770919, 2078105, 75093863, 40523741, 137117555, 841990268, 1067759227, 4810928033

Basic calculations (n = 381219987)

Multiplication

n×y
n×2 762439974
n×3 1143659961
n×4 1524879948
n×5 1906099935

Division

n÷y
n÷2 190609993.5
n÷3 127073329
n÷3 95304996.75
n÷5 76243997.4

Exponentiation

ny
n2 145328678488280169
n3 5.5402196924029E+25
n4 2.112042479115E+34
n5 8.0515280643166E+42

Nth Root

y√n
2√n 19524.855620465
3√n 725.08995284993
4√n 139.73136949327
5√n 52.027760506892

Divisors of 381219987

1, 3, 127073329, 381219987

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 -381219986
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 381219987 can be divided by 4 positive divisors. The sum of these divisors (counting 381219987) is 1, the average is 0.25.

Base conversion 381219987

Base System Value
2 Binary 10110101110001111010010010011
3 Ternary 222120022222111210
4 Quaternary 112232033102103
5 Quinary 1240043014422
6 Senary 101454511203
8 Octal 2656172223
10 Decimal 381219987
12 Duodecimal a7805503
16 Hexadecimal 16b8f493
20 Vigesimal 5j2c9j7
36 Base36 6ayv83

Cryptographic Hash Functions

md5 22ba99ce37d67297eddcc477aac27f91
sha1 948c09409fc6b42437740122991ede8d29494746
sha256 9c392fcff23775d6b0ec47bdfccdecd7821de4579c36abb37d047011f226c839
sha512 e2a007f9c11f412a94d895b739a45357feb8f21cf586c33ae9e28fc449beb1434c1ea68abe9c09de5fb4ea17e2368b6b6167dfaf1b55b8f1f74eaee4a0b42736
ripemd-160 8fc2fdfdfb8a499a8b615e066fbe1954bfab42af

381219987 as geometric shapes

Circle

Radius = n
Diameter 762439974
Circumference 2395275821.1216
Area 4.5656350869469E+17

Sphere

Radius = n
Volume 2.3206817979902E+26
Surface area 1.8262540347788E+18
Circumference 2395275821.1216

Square

Length = n
Perimeter 1524879948
Area 145328678488280169
Diagonal 539126475.8631

Cube

Length = n
Surface area 871972070929681014
Volume 5.5402196924029E+25
Space diagonal 660292386.34475

Equilateral Triangle

Length = n
Perimeter 1143659961
Area 6.2929163734636E+16
Altitude 330146193.17237

Triangular Pyramid

Length = n
Surface area 6.2929163734636E+16
Volume 6.5292115229356E+24
Height 179708825.2877