78897391 (number)

78897391 is an odd 8-digits composite number following 78897390 and preceding 78897392. In scientific notation, it is written as 7.8897391 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 72382464 positive integers (up to 78897391) that are relatively prime to 78897391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8897391 × 10^7
Engineering notation 7.8897391 × 10^6

Prime Factorization of 78897391

Prime Factorization 613 × 17 × 67 × 113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78897391
Product of the distinct prime numbers

The prime factorization of 78897391 is 613 × 17 × 67 × 113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78897391)

Multiplication

n×y
n×2 157794782
n×3 236692173
n×4 315589564
n×5 394486955

Division

n÷y
n÷2 39448695.5
n÷3 26299130.333333
n÷3 19724347.75
n÷5 15779478.2

Exponentiation

ny
n2 6224798306606881
n3 4.911203458925E+23
n4 3.8748113957936E+31
n5 3.0571250974518E+39

Nth Root

y√n
2√n 8882.420334571
3√n 428.89819055009
4√n 94.246593225278
5√n 37.967546054486

Divisors of 78897391

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 -78897390
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 78897391 can be divided by 16 positive divisors. The sum of these divisors (counting 78897391) is 1, the average is 0.0625.

Base conversion 78897391

Base System Value
2 Binary 100101100111110000011101111
3 Ternary 12111110101212121
4 Quaternary 10230332003233
5 Quinary 130144204031
6 Senary 11455013411
8 Octal 454760357
10 Decimal 78897391
12 Duodecimal 2250a267
16 Hexadecimal 4b3e0ef
20 Vigesimal 14d239b
36 Base36 1az1m7

Cryptographic Hash Functions

md5 9f95a9f5b59df94148d1b69d14de815b
sha1 76c1780542103ec70b5d4ef85f7f9698f39eb8a1
sha256 e6d79a1d9210fddd0fc38e9269228c0b2f32fe4feb02fb44f17427400408ec19
sha512 a0cacefc92ef203560e6df1b401efaaca63d50ff2e8485a67792027c630ec5696c2370b6d24fbe68b5792ae100e28cafbd8169f240b1a83611cbc7e1be1254cf
ripemd-160 bf19e6c1858a37df0efc071ef98f332fe04ed650

78897391 as geometric shapes

Circle

Radius = n
Diameter 157794782
Circumference 495726927.906
Area 1.9555780630114E+16

Sphere

Radius = n
Volume 2.0572000942458E+24
Surface area 7.8223122520457E+16
Circumference 495726927.906

Square

Length = n
Perimeter 315589564
Area 6224798306606881
Diagonal 111577760.38805

Cube

Length = n
Surface area 37348789839641286
Volume 4.911203458925E+23
Space diagonal 136654289.79663

Equilateral Triangle

Length = n
Perimeter 236692173
Area 2.695416733478E+15
Altitude 68327144.898314

Triangular Pyramid

Length = n
Surface area 2.695416733478E+15
Volume 5.7879087826545E+22
Height 37192586.796018