78997645 (number)

78997645 is an odd 8-digits composite number following 78997644 and preceding 78997646. In scientific notation, it is written as 7.8997645 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 63198112 positive integers (up to 78997645) that are relatively prime to 78997645.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred ninety-seven thousand six hundred forty-five

Notation

Scientific notation 7.8997645 × 10^7
Engineering notation 7.8997645 × 10^6

Prime Factorization of 78997645

Prime Factorization 5 × 15799529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78997645
Product of the distinct prime numbers

The prime factorization of 78997645 is 5 × 15799529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78997645)

Multiplication

n×y
n×2 157995290
n×3 236992935
n×4 315990580
n×5 394988225

Division

n÷y
n÷2 39498822.5
n÷3 26332548.333333
n÷3 19749411.25
n÷5 15799529

Exponentiation

ny
n2 6240627915546025
n3 4.9299490864939E+23
n4 3.8945436780292E+31
n5 3.0765977891395E+39

Nth Root

y√n
2√n 8888.0619372279
3√n 429.07977897704
4√n 94.276518482748
5√n 37.977190137996

Divisors of 78997645

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78997644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78997645 can be divided by 4 positive divisors. The sum of these divisors (counting 78997645) is 1, the average is 0.25.

Base conversion 78997645

Base System Value
2 Binary 100101101010110100010001101
3 Ternary 12111122111101201
4 Quaternary 10231112202031
5 Quinary 130210411040
6 Senary 11501105501
8 Octal 455264215
10 Decimal 78997645
12 Duodecimal 22558291
16 Hexadecimal 4b5688d
20 Vigesimal 14dee25
36 Base36 1b16z1

Cryptographic Hash Functions

md5 b5f73f62ad693fa958c60d1103e00209
sha1 923e5d23dc025f9e61030acb67b3514822acddc7
sha256 8ca9b3011c302479ffc2174e5a47bcb638d88f85e819cbdc97431858ed894ae7
sha512 75dcc587caa835ce9516a1701789327b806ee3c0ceb63f19a01166054f2f1ccd2a9343e4b5c6520cb10696b85d6ba6984a37ab696f0d3b78fa73376626db37ac
ripemd-160 97075f76ff766a3af520394495c56ba793ac68d8

78997645 as geometric shapes

Circle

Radius = n
Diameter 157995290
Circumference 496356842.36579
Area 1.9605510813267E+16

Sphere

Radius = n
Volume 2.0650522443601E+24
Surface area 7.8422043253067E+16
Circumference 496356842.36579

Square

Length = n
Perimeter 315990580
Area 6240627915546025
Diagonal 111719540.95454

Cube

Length = n
Surface area 37443767493276150
Volume 4.9299490864939E+23
Space diagonal 136827934.81829

Equilateral Triangle

Length = n
Perimeter 236992935
Area 2.7022711552146E+15
Altitude 68413967.409145

Triangular Pyramid

Length = n
Surface area 2.7022711552146E+15
Volume 5.8100007166072E+22
Height 37239846.984845