387996891 (number)

387996891 is an odd 9-digits composite number following 387996890 and preceding 387996892. In scientific notation, it is written as 3.87996891 × 10^8. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 239835168 positive integers (up to 387996891) that are relatively prime to 387996891.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million nine hundred ninety-six thousand eight hundred ninety-one

Notation

Scientific notation 3.87996891 × 10^8
Engineering notation 3.87996891 × 10^6

Prime Factorization of 387996891

Prime Factorization 3 × 19 × 47 × 144829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 387996891
Product of the distinct prime numbers

The prime factorization of 387996891 is 3 × 19 × 47 × 144829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 83, 48, 592, 894, 1465, 3915, 62228, 80101, 904313, 821053, 3876801, 6051655, 55250829, 2190483, 109194355, 686044047, 266205452, 4220249858

Basic calculations (n = 387996891)

Multiplication

n×y
n×2 775993782
n×3 1163990673
n×4 1551987564
n×5 1939984455

Division

n÷y
n÷2 193998445.5
n÷3 129332297
n÷3 96999222.75
n÷5 77599378.2

Exponentiation

ny
n2 150541587425665881
n3 5.8409667887363E+25
n4 2.2662769544639E+34
n5 8.7930841247696E+42

Nth Root

y√n
2√n 19697.636685653
3√n 729.36135486985
4√n 140.3482692649
5√n 52.21143733557

Divisors of 387996891

1, 3, 19, 47, 57, 141, 893, 2679, 144829, 434487, 2751751, 6806963, 8255253, 20420889, 129332297, 387996891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -387996890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387996891 can be divided by 16 positive divisors. The sum of these divisors (counting 387996891) is 1, the average is 0.0625.

Base conversion 387996891

Base System Value
2 Binary 10111001000000101110011011011
3 Ternary 1000001002021200020
4 Quaternary 113020011303123
5 Quinary 1243311400031
6 Senary 102300041523
8 Octal 2710056333
10 Decimal 387996891
12 Duodecimal a9b332a3
16 Hexadecimal 17205cdb
20 Vigesimal 614jc4b
36 Base36 6f04bf

Cryptographic Hash Functions

md5 74bfdc83443b04d39d63588666a224f5
sha1 e0955cc0f64071c6cfed6c51aa3c61714be214a4
sha256 e4e845ffb276d70505a7db48b8bd605996163eb2c09fee189bf369df053d7374
sha512 5c3aae3008f46350346c797d93b1e34946f84fff6500ff2300defaf9945a1989d39d3c7b2dc56de8448255cd5cdb5fd42cb896d0da57ab46fcc8386e864cd40c
ripemd-160 68a0ac42ec1970e1aea6cd6f5565a5b46192f47e

387996891 as geometric shapes

Circle

Radius = n
Diameter 775993782
Circumference 2437856364.7626
Area 4.7294034511622E+17

Sphere

Radius = n
Volume 2.4466584471141E+26
Surface area 1.8917613804649E+18
Circumference 2437856364.7626

Square

Length = n
Perimeter 1551987564
Area 150541587425665881
Diagonal 548710465.4108

Cube

Length = n
Surface area 903249524553995286
Volume 5.8409667887363E+25
Space diagonal 672030328.39076

Equilateral Triangle

Length = n
Perimeter 1163990673
Area 6.5186419518331E+16
Altitude 336015164.19538

Triangular Pyramid

Length = n
Surface area 6.5186419518331E+16
Volume 6.8836453750014E+24
Height 182903488.47027