71397990 (number)

71397990 is an even 8-digits composite number following 71397989 and preceding 71397991. In scientific notation, it is written as 7.1397990 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 19039392 positive integers (up to 71397990) that are relatively prime to 71397990.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-seven thousand nine hundred ninety

Notation

Scientific notation 7.1397990 × 10^7
Engineering notation 7.1397990 × 10^6

Prime Factorization of 71397990

Prime Factorization 2 × 3 × 15 × 3 × 264437

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 23799330
Product of the distinct prime numbers

The prime factorization of 71397990 is 2 × 3 × 15 × 3 × 264437. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 39, 65, 156, 824, 4928, 2130, 40651, 31444, 780374, 724027, 771003, 8608733, 27898024, 2777790, 834027211, 25930754, 7962267421, 2010236575

Basic calculations (n = 71397990)

Multiplication

n×y
n×2 142795980
n×3 214193970
n×4 285591960
n×5 356989950

Division

n÷y
n÷2 35698995
n÷3 23799330
n÷3 17849497.5
n÷5 14279598

Exponentiation

ny
n2 5097672976040100
n3 3.6396360416658E+23
n4 2.598626977065E+31
n5 1.8553674292221E+39

Nth Root

y√n
2√n 8449.7331318806
3√n 414.8540445752
4√n 91.922429971583
5√n 37.216643053166

Divisors of 71397990

1, 2, 3, 6, 9, 15, 18, 30, 45, 90, 135, 270, 264437, 528874, 793311, 1586622, 2379933, 3966555, 4759866, 7933110, 11899665, 23799330, 35698995, 71397990

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71397989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71397990 can be divided by 24 positive divisors. The sum of these divisors (counting 71397990) is 1, the average is 0.041666666666667.

Base conversion 71397990

Base System Value
2 Binary 100010000010111001001100110
3 Ternary 11222100101122000
4 Quaternary 10100113021212
5 Quinary 121234213430
6 Senary 11030150130
8 Octal 420271146
10 Decimal 71397990
12 Duodecimal 1bab2346
16 Hexadecimal 4417266
20 Vigesimal 1264eja
36 Base36 16ib1i

Cryptographic Hash Functions

md5 7887c7163c00eeb5a5be90b49a9b1665
sha1 b12496aaadcc555c5b3145c351aa6cdf381541b7
sha256 2e099b8340868e8cece85b92c656d4a17fe975715414189a0ac3e37331c45496
sha512 d5ebc1683ee01ccb300efc42bd5af5115c3b38c10c6194fe56211f0dfea486352e9f5ac58c0b6a95d13cb1151e91311b5e89d0ebf3d533fac4a13bb2cd3abf32
ripemd-160 6511c17b6a89dd6e9fa6441cd3247bad1694247b

71397990 as geometric shapes

Circle

Radius = n
Diameter 142795980
Circumference 448606801.73016
Area 1.6014811971931E+16

Sphere

Radius = n
Volume 1.5245671800317E+24
Surface area 6.4059247887723E+16
Circumference 448606801.73016

Square

Length = n
Perimeter 285591960
Area 5097672976040100
Diagonal 100972005.78418

Cube

Length = n
Surface area 30586037856240600
Volume 3.6396360416658E+23
Space diagonal 123664946.23829

Equilateral Triangle

Length = n
Perimeter 214193970
Area 2.2073571487181E+15
Altitude 61832473.119147

Triangular Pyramid

Length = n
Surface area 2.2073571487181E+15
Volume 4.2893522101881E+22
Height 33657335.261393