386991921 (number)

386991921 is an odd 9-digits composite number following 386991920 and preceding 386991922. In scientific notation, it is written as 3.86991921 × 10^8. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 249098192 positive integers (up to 386991921) that are relatively prime to 386991921.

Interesting facts

Basic properties

Name

Name three hundred eighty-six million nine hundred ninety-one thousand nine hundred twenty-one

Notation

Scientific notation 3.86991921 × 10^8
Engineering notation 3.86991921 × 10^6

Prime Factorization of 386991921

Prime Factorization 3 × 29 × 4448183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 386991921
Product of the distinct prime numbers

The prime factorization of 386991921 is 3 × 29 × 4448183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 84, 5, 429, 442, 2601, 2375, 52492, 71031, 729807, 287290, 4481263, 826287, 24636594, 29997338, 514689439, 326440091, 4678091180, 8489427616

Basic calculations (n = 386991921)

Multiplication

n×y
n×2 773983842
n×3 1160975763
n×4 1547967684
n×5 1934959605

Division

n÷y
n÷2 193495960.5
n÷3 128997307
n÷3 96747980.25
n÷5 77398384.2

Exponentiation

ny
n2 149762746919270241
n3 5.7956973124525E+25
n4 2.2428880364805E+34
n5 8.6797954982552E+42

Nth Root

y√n
2√n 19672.110232509
3√n 728.73109205238
4√n 140.25730010416
5√n 52.18436218262

Divisors of 386991921

1, 3, 29, 87, 4448183, 13344549, 128997307, 386991921

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 -386991920
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 386991921 can be divided by 8 positive divisors. The sum of these divisors (counting 386991921) is 1, the average is 0.125.

Base conversion 386991921

Base System Value
2 Binary 10111000100010000011100110001
3 Ternary 222222012020010010
4 Quaternary 113010100130301
5 Quinary 1243032220141
6 Senary 102222325133
8 Octal 2704203461
10 Decimal 386991921
12 Duodecimal a97297a9
16 Hexadecimal 17110731
20 Vigesimal 60idjg1
36 Base36 6eekvl

Cryptographic Hash Functions

md5 779cc83476a39eda7eca73e82455a679
sha1 90aba9d0440bc2b72e2fbab1bb7eb4b51ee78806
sha256 8e30ef2deead6106d334b08442f91901ecdc57ec473bf92d8db41fada36a9466
sha512 24b5d88525a7789ae8ac596c39da71be0994f893aec4f111c4f46bb9de7aca2ddf1401f539e49dca53756118fa2e3fd4af1fde91c004c0ff6cce10b9ee7a1082
ripemd-160 c43069e58aa940103f9828d94a1b7a3f24401ce7

386991921 as geometric shapes

Circle

Radius = n
Diameter 773983842
Circumference 2431541952.0244
Area 4.7049354550301E+17

Sphere

Radius = n
Volume 2.4276960132308E+26
Surface area 1.881974182012E+18
Circumference 2431541952.0244

Square

Length = n
Perimeter 1547967684
Area 149762746919270241
Diagonal 547289223.20702

Cube

Length = n
Surface area 898576481515621446
Volume 5.7956973124525E+25
Space diagonal 670289669.29068

Equilateral Triangle

Length = n
Perimeter 1160975763
Area 6.4849171686314E+16
Altitude 335144834.64534

Triangular Pyramid

Length = n
Surface area 6.4849171686314E+16
Volume 6.8302947855664E+24
Height 182429741.06901