388620985 (number)

388620985 is an odd 9-digits composite number following 388620984 and preceding 388620986. In scientific notation, it is written as 3.88620985 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 305081280 positive integers (up to 388620985) that are relatively prime to 388620985.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred twenty thousand nine hundred eighty-five

Notation

Scientific notation 3.88620985 × 10^8
Engineering notation 3.88620985 × 10^6

Prime Factorization of 388620985

Prime Factorization 5 × 71 × 223 × 4909

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388620985
Product of the distinct prime numbers

The prime factorization of 388620985 is 5 × 71 × 223 × 4909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 91, 29, 161, 359, 6978, 3974, 32500, 17236, 140314, 896838, 551856, 6733933, 5968612, 11005968, 111894816, 110923281, 6431032696, 4423642101

Basic calculations (n = 388620985)

Multiplication

n×y
n×2 777241970
n×3 1165862955
n×4 1554483940
n×5 1943104925

Division

n÷y
n÷2 194310492.5
n÷3 129540328.33333
n÷3 97155246.25
n÷5 77724197

Exponentiation

ny
n2 151026269982370225
n3 5.8691977801425E+25
n4 2.2808934224788E+34
n5 8.8640304852372E+42

Nth Root

y√n
2√n 19713.472170067
3√n 729.75220525697
4√n 140.40467289256
5√n 52.228222985463

Divisors of 388620985

1, 5, 71, 223, 355, 1115, 4909, 15833, 24545, 79165, 348539, 1094707, 1742695, 5473535, 77724197, 388620985

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 -388620984
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 388620985 can be divided by 16 positive divisors. The sum of these divisors (counting 388620985) is 1, the average is 0.0625.

Base conversion 388620985

Base System Value
2 Binary 10111001010011110001010111001
3 Ternary 1000002020222202211
4 Quaternary 113022132022321
5 Quinary 1243441332420
6 Senary 102321255121
8 Octal 2712361271
10 Decimal 388620985
12 Duodecimal aa1944a1
16 Hexadecimal 1729e2b9
20 Vigesimal 618hc95
36 Base36 6fdhvd

Cryptographic Hash Functions

md5 6755df9967b841cc954a843b6fbff91f
sha1 34ad65f97b4e62559df429a6a967275cfbb27638
sha256 110d7e65f149d6c581d53b2226057a258eddb6df848734967e0300dda8a5eddd
sha512 45d6c86dfd030931622d0b1029cafc8a1494ef55127b7c9a8331078a01646e90cc6364c73c3272b576372493dd8f9239b40e06fde17d89b8a5869b23da65b5de
ripemd-160 33a3f3c2bc4a28b31ad34a52460d7582a127257a

388620985 as geometric shapes

Circle

Radius = n
Diameter 777241970
Circumference 2441777663.0137
Area 4.7446302027568E+17

Sphere

Radius = n
Volume 2.4584838171415E+26
Surface area 1.8978520811027E+18
Circumference 2441777663.0137

Square

Length = n
Perimeter 1554483940
Area 151026269982370225
Diagonal 549593067.60979

Cube

Length = n
Surface area 906157619894221350
Volume 5.8691977801425E+25
Space diagonal 673111290.90746

Equilateral Triangle

Length = n
Perimeter 1165862955
Area 6.539629322177E+16
Altitude 336555645.45373

Triangular Pyramid

Length = n
Surface area 6.539629322177E+16
Volume 6.9169159174396E+24
Height 183197689.20326