387856985 (number)

387856985 is an odd 9-digits composite number following 387856984 and preceding 387856986. In scientific notation, it is written as 3.87856985 × 10^8. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 309405184 positive integers (up to 387856985) that are relatively prime to 387856985.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million eight hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 3.87856985 × 10^8
Engineering notation 3.87856985 × 10^6

Prime Factorization of 387856985

Prime Factorization 5 × 353 × 219749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 387856985
Product of the distinct prime numbers

The prime factorization of 387856985 is 5 × 353 × 219749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 62, 9, 35, 387, 8745, 2438, 79077, 82956, 4908, 863122, 1541066, 2959114, 84848641, 52122452, 176903901, 267304730, 1815722130, 8864089262

Basic calculations (n = 387856985)

Multiplication

n×y
n×2 775713970
n×3 1163570955
n×4 1551427940
n×5 1939284925

Division

n÷y
n÷2 193928492.5
n÷3 129285661.66667
n÷3 96964246.25
n÷5 77571397

Exponentiation

ny
n2 150433040813290225
n3 5.8346505654225E+25
n4 2.2630099768333E+34
n5 8.7772422663949E+42

Nth Root

y√n
2√n 19694.085025713
3√n 729.27367865432
4√n 140.33561567084
5√n 52.20767145634

Divisors of 387856985

1, 5, 353, 1765, 219749, 1098745, 77571397, 387856985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -387856984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387856985 can be divided by 8 positive divisors. The sum of these divisors (counting 387856985) is 1, the average is 0.125.

Base conversion 387856985

Base System Value
2 Binary 10111000111100011101001011001
3 Ternary 1000000211011202112
4 Quaternary 113013203221121
5 Quinary 1243242410420
6 Senary 102253042105
8 Octal 2707435131
10 Decimal 387856985
12 Duodecimal a9a86335
16 Hexadecimal 171e3a59
20 Vigesimal 6142295
36 Base36 6ex4d5

Cryptographic Hash Functions

md5 5b675752a763e20311d4eaee18f1a4a9
sha1 901b8e066506f5ab3671efb1ca377fe2e549915b
sha256 af032012a8c223f1b23bc0579347c936d21c44a7987f41d5a41eca09454dd6be
sha512 f565b13ad89da6654c5e59e6217ef832e930a6fdeb3e44d766555471a73d06393afaebbd2aac825f7daf37b8e81d9abd5cd5d15cd689fe3aee169c1cdb5f8369
ripemd-160 99d06bdbd2517e369f05ac474b5e1697d9f32ecf

387856985 as geometric shapes

Circle

Radius = n
Diameter 775713970
Circumference 2436977309.439
Area 4.7259933587621E+17

Sphere

Radius = n
Volume 2.4440127136793E+26
Surface area 1.8903973435048E+18
Circumference 2436977309.439

Square

Length = n
Perimeter 1551427940
Area 150433040813290225
Diagonal 548512608.44814

Cube

Length = n
Surface area 902598244879741350
Volume 5.8346505654225E+25
Space diagonal 671788004.09048

Equilateral Triangle

Length = n
Perimeter 1163570955
Area 6.5139417456425E+16
Altitude 335894002.04524

Triangular Pyramid

Length = n
Surface area 6.5139417456425E+16
Volume 6.8762016344403E+24
Height 182837536.14938