387047981 (number)

387047981 is an odd 9-digits prime number following 387047980 and preceding 387047982. In scientific notation, it is written as 3.87047981 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 387047980 positive integers (up to 387047981) that are relatively prime to 387047981.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 3.87047981 × 10^8
Engineering notation 3.87047981 × 10^6

Prime Factorization of 387047981

Prime Factorization 387047981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 387047981
Product of the distinct prime numbers

The prime factorization of 387047981 is 387047981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 3, 17, 40, 540, 789, 3531, 318, 45173, 59732, 928265, 622659, 1223003, 6868393, 35784109, 17608346, 419325970, 863741662, 8812350001, 3683722148

Basic calculations (n = 387047981)

Multiplication

n×y
n×2 774095962
n×3 1161143943
n×4 1548191924
n×5 1935239905

Division

n÷y
n÷2 193523990.5
n÷3 129015993.66667
n÷3 96761995.25
n÷5 77409596.2

Exponentiation

ny
n2 149806139596176361
n3 5.7982163872104E+25
n4 2.2441879460709E+34
n5 8.6860841351128E+42

Nth Root

y√n
2√n 19673.53504076
3√n 728.76627856861
4√n 140.26237927812
5√n 52.185873989811

Divisors of 387047981

1, 387047981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 387047982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 193523991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 19673.535066175
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999948327
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387047981 can be divided by 2 positive divisors. The sum of these divisors (counting 387047981) is 387047982, the average is 193523991.

Base conversion 387047981

Base System Value
2 Binary 10111000100011110001000101101
3 Ternary 222222022002000102
4 Quaternary 113010132020231
5 Quinary 1243041013411
6 Senary 102223440445
8 Octal 2704361055
10 Decimal 387047981
12 Duodecimal a9756125
16 Hexadecimal 1711e22d
20 Vigesimal 60j0jj1
36 Base36 6efs4t

Cryptographic Hash Functions

md5 bc44a3c07cc38f4bf106175db300b67e
sha1 4f0a2d8fdecee8458cdb13fc609343f3996cf053
sha256 885c2ff5087f55e5b1e6e10bb1e339a8747f76073dc368d6245684e562303ad6
sha512 8bd6fc18f4db1a8d401a1ed6cb8171d5073d35c36da2141e0102cb5645a928fd7852a0664e6397552f9c6e319ce1670bdeebcd7070b5167315efd9f6bf140328
ripemd-160 4279008e6c20a0578342a05b30acf5140e6821e5

387047981 as geometric shapes

Circle

Radius = n
Diameter 774095962
Circumference 2431894187.3927
Area 4.7062986761799E+17

Sphere

Radius = n
Volume 2.4287512007979E+26
Surface area 1.882519470472E+18
Circumference 2431894187.3927

Square

Length = n
Perimeter 1548191924
Area 149806139596176361
Diagonal 547368504.01932

Cube

Length = n
Surface area 898836837577058166
Volume 5.7982163872104E+25
Space diagonal 670386768.05895

Equilateral Triangle

Length = n
Perimeter 1161143943
Area 6.4867961266583E+16
Altitude 335193384.02948

Triangular Pyramid

Length = n
Surface area 6.4867961266583E+16
Volume 6.8332635436391E+24
Height 182456168.00644