78931489 (number)

78931489 is an odd 8-digits composite number following 78931488 and preceding 78931490. In scientific notation, it is written as 7.8931489 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 62228160 positive integers (up to 78931489) that are relatively prime to 78931489.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred thirty-one thousand four hundred eighty-nine

Notation

Scientific notation 7.8931489 × 10^7
Engineering notation 7.8931489 × 10^6

Prime Factorization of 78931489

Prime Factorization 7 × 13 × 311 × 2789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78931489
Product of the distinct prime numbers

The prime factorization of 78931489 is 7 × 13 × 311 × 2789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 91, 64, 513, 129, 6566, 8816, 812, 72775, 449853, 63988, 6825545, 8374929, 22820276, 47585884, 268798682, 78272306, 5260467533, 7314988728

Basic calculations (n = 78931489)

Multiplication

n×y
n×2 157862978
n×3 236794467
n×4 315725956
n×5 394657445

Division

n÷y
n÷2 39465744.5
n÷3 26310496.333333
n÷3 19732872.25
n÷5 15786297.8

Exponentiation

ny
n2 6230179955757121
n3 4.9175738064586E+23
n4 3.8815142281118E+31
n5 3.0637369759955E+39

Nth Root

y√n
2√n 8884.3395365103
3√n 428.95996895197
4√n 94.25677448603
5√n 37.970827262199

Divisors of 78931489

1, 7, 13, 91, 311, 2177, 2789, 4043, 19523, 28301, 36257, 253799, 867379, 6071653, 11275927, 78931489

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 -78931488
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 78931489 can be divided by 16 positive divisors. The sum of these divisors (counting 78931489) is 1, the average is 0.0625.

Base conversion 78931489

Base System Value
2 Binary 100101101000110011000100001
3 Ternary 12111112010122111
4 Quaternary 10231012120201
5 Quinary 130201301424
6 Senary 11455435321
8 Octal 455063041
10 Decimal 78931489
12 Duodecimal 22525b41
16 Hexadecimal 4b46621
20 Vigesimal 14d68e9
36 Base36 1azrxd

Cryptographic Hash Functions

md5 632b1a87899313cb91560f7ee3ab41ef
sha1 95b3b1bc394d3a6ce758e1eedf908fe91f675274
sha256 4f7fba66d98084f883d0e69f2d3762c0b0d143a7b9063c5f8bb189458a846ae7
sha512 ce746370c8f07aca57268ad10d7134bdb1d4311422d707c1a4343501d4827191b29769be8dec476efe2b92a850611d2ac9e7ce805cce6517a91473a32f508409
ripemd-160 0594cb786ccb39aee98314546fe6498eb45382fe

78931489 as geometric shapes

Circle

Radius = n
Diameter 157862978
Circumference 495941171.95861
Area 1.9572687579549E+16

Sphere

Radius = n
Volume 2.0598684991808E+24
Surface area 7.8290750318196E+16
Circumference 495941171.95861

Square

Length = n
Perimeter 315725956
Area 6230179955757121
Diagonal 111625982.2421

Cube

Length = n
Surface area 37381079734542726
Volume 4.9175738064586E+23
Space diagonal 136713349.26506

Equilateral Triangle

Length = n
Perimeter 236794467
Area 2.6977470559171E+15
Altitude 68356674.632532

Triangular Pyramid

Length = n
Surface area 2.6977470559171E+15
Volume 5.7954163092204E+22
Height 37208660.747368