391249969 (number)

391249969 is an odd 9-digits composite number following 391249968 and preceding 391249970. In scientific notation, it is written as 3.91249969 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 355489200 positive integers (up to 391249969) that are relatively prime to 391249969.

Interesting facts

Basic properties

Name

Name three hundred ninety-one million two hundred forty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 3.91249969 × 10^8
Engineering notation 3.91249969 × 10^6

Prime Factorization of 391249969

Prime Factorization 11 × 2069 × 17191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 391249969
Product of the distinct prime numbers

The prime factorization of 391249969 is 11 × 2069 × 17191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 16, 78, 319, 110, 3358, 9893, 43998, 82829, 936972, 623000, 6191599, 4339696, 78349911, 39884561, 635893638, 167985614, 4934344905, 8570000500

Basic calculations (n = 391249969)

Multiplication

n×y
n×2 782499938
n×3 1173749907
n×4 1564999876
n×5 1956249845

Division

n÷y
n÷2 195624984.5
n÷3 130416656.33333
n÷3 97812492.25
n÷5 78249993.8

Exponentiation

ny
n2 153076538242500961
n3 5.9891190842006E+25
n4 2.3432426560308E+34
n5 9.1679361653152E+42

Nth Root

y√n
2√n 19780.039661234
3√n 731.39407652255
4√n 140.64152893521
5√n 52.298696336565

Divisors of 391249969

1, 11, 2069, 17191, 22759, 189101, 35568179, 391249969

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 -391249968
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 391249969 can be divided by 8 positive divisors. The sum of these divisors (counting 391249969) is 1, the average is 0.125.

Base conversion 391249969

Base System Value
2 Binary 10111010100100000000000110001
3 Ternary 1000021012120001121
4 Quaternary 113110200000301
5 Quinary 1300124444334
6 Senary 102453502241
8 Octal 2724400061
10 Decimal 391249969
12 Duodecimal ab041981
16 Hexadecimal 17520031
20 Vigesimal 62564i9
36 Base36 6gxuep

Cryptographic Hash Functions

md5 f7e61d5abe8fadbd3e4e0282cd5296f7
sha1 da923609b0f2a1d5889e9932984af0615d3e1b7b
sha256 78f428c0d10c5048ca624bcf832567dd56d50b38b1b7b473670304b47dffb850
sha512 937f3c5d960400853b8ca51adb2149df5e0a569ed96703e7cc2c6def5db81e99289a6087f769e4df0a45612cbc8ab4ad63a8e6a08357cd1425d9521a7e391665
ripemd-160 59bd8deb410854aa76037d243f62b26b5b34cf18

391249969 as geometric shapes

Circle

Radius = n
Diameter 782499938
Circumference 2458296056.6553
Area 4.809041279796E+17

Sphere

Radius = n
Volume 2.5087163355199E+26
Surface area 1.9236165119184E+18
Circumference 2458296056.6553

Square

Length = n
Perimeter 1564999876
Area 153076538242500961
Diagonal 553311012.43785

Cube

Length = n
Surface area 918459229455005766
Volume 5.9891190842006E+25
Space diagonal 677664824.76775

Equilateral Triangle

Length = n
Perimeter 1173749907
Area 6.6284085420693E+16
Altitude 338832412.38387

Triangular Pyramid

Length = n
Surface area 6.6284085420693E+16
Volume 7.05824452962E+24
Height 184437004.14595