387639761 (number)

387639761 is an odd 9-digits composite number following 387639760 and preceding 387639762. In scientific notation, it is written as 3.87639761 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 387412800 positive integers (up to 387639761) that are relatively prime to 387639761.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million six hundred thirty-nine thousand seven hundred sixty-one

Notation

Scientific notation 3.87639761 × 10^8
Engineering notation 3.87639761 × 10^6

Prime Factorization of 387639761

Prime Factorization 1721 × 225241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 387639761
Product of the distinct prime numbers

The prime factorization of 387639761 is 1721 × 225241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 59, 22, 577, 766, 7733, 9810, 30724, 6575, 931434, 742670, 3789647, 9074501, 45717225, 35294134, 293006596, 952861893, 9861335976, 8812556183

Basic calculations (n = 387639761)

Multiplication

n×y
n×2 775279522
n×3 1162919283
n×4 1550559044
n×5 1938198805

Division

n÷y
n÷2 193819880.5
n÷3 129213253.66667
n÷3 96909940.25
n÷5 77527952.2

Exponentiation

ny
n2 150264584308137121
n3 5.8248527547971E+25
n4 2.2579445297297E+34
n5 8.7526907785569E+42

Nth Root

y√n
2√n 19688.569297945
3√n 729.13750704543
4√n 140.31596237758
5√n 52.201822238133

Divisors of 387639761

1, 1721, 225241, 387639761

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 -387639760
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 387639761 can be divided by 4 positive divisors. The sum of these divisors (counting 387639761) is 1, the average is 0.25.

Base conversion 387639761

Base System Value
2 Binary 10111000110101110100111010001
3 Ternary 1000000102010210012
4 Quaternary 113012232213101
5 Quinary 1243213433021
6 Senary 102244244305
8 Octal 2706564721
10 Decimal 387639761
12 Duodecimal a99a0695
16 Hexadecimal 171ae9d1
20 Vigesimal 612ej81
36 Base36 6esgr5

Cryptographic Hash Functions

md5 ee386d0c08ee480a69a2c53dbf47137f
sha1 a61938f96c746ef077d8b8c1f1c5d1659e859b1d
sha256 12b4fdfeb91ee89c74672da22e6e36ef97d2e9563f2c2a0095f06f54a6267418
sha512 88697f0e3e5588aa0ac365ca2307e28d2ecb27dc39edc9359c870c9f99ae14c2c6bc41be5ee703ec489dd541e57dfb0d1874e634ea45781ba041449dae43d08f
ripemd-160 44b3ef59122623895d2bea65b9a1171aee72c60c

387639761 as geometric shapes

Circle

Radius = n
Diameter 775279522
Circumference 2435612450.7938
Area 4.7207011415717E+17

Sphere

Radius = n
Volume 2.4399086163617E+26
Surface area 1.8882804566287E+18
Circumference 2435612450.7938

Square

Length = n
Perimeter 1550559044
Area 150264584308137121
Diagonal 548205407.32127

Cube

Length = n
Surface area 901587505848822726
Volume 5.8248527547971E+25
Space diagonal 671411761.08586

Equilateral Triangle

Length = n
Perimeter 1162919283
Area 6.5066473649978E+16
Altitude 335705880.54293

Triangular Pyramid

Length = n
Surface area 6.5066473649978E+16
Volume 6.8646548038836E+24
Height 182735135.77376