78989891 (number)

78989891 is an odd 8-digits composite number following 78989890 and preceding 78989892. In scientific notation, it is written as 7.8989891 × 10^7. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 76441800 positive integers (up to 78989891) that are relatively prime to 78989891.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred eighty-nine thousand eight hundred ninety-one

Notation

Scientific notation 7.8989891 × 10^7
Engineering notation 7.8989891 × 10^6

Prime Factorization of 78989891

Prime Factorization 31 × 2548061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78989891
Product of the distinct prime numbers

The prime factorization of 78989891 is 31 × 2548061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 80, 23, 188, 458, 6093, 364, 80815, 8346, 572772, 611757, 3148992, 6483602, 67840113, 71290302, 122932793, 901956763, 4627828213, 4587031951

Basic calculations (n = 78989891)

Multiplication

n×y
n×2 157979782
n×3 236969673
n×4 315959564
n×5 394949455

Division

n÷y
n÷2 39494945.5
n÷3 26329963.666667
n÷3 19747472.75
n÷5 15797978.2

Exponentiation

ny
n2 6239402880191881
n3 4.9284975341144E+23
n4 3.8930148301347E+31
n5 3.0750881709372E+39

Nth Root

y√n
2√n 8887.6257234427
3√n 429.06573976753
4√n 94.274204973803
5√n 37.976444579834

Divisors of 78989891

1, 31, 2548061, 78989891

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 -78989890
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 78989891 can be divided by 4 positive divisors. The sum of these divisors (counting 78989891) is 1, the average is 0.25.

Base conversion 78989891

Base System Value
2 Binary 100101101010100101001000011
3 Ternary 12111122002202112
4 Quaternary 10231110221003
5 Quinary 130210134031
6 Senary 11501005535
8 Octal 455245103
10 Decimal 78989891
12 Duodecimal 225538ab
16 Hexadecimal 4b54a43
20 Vigesimal 14ddeeb
36 Base36 1b10zn

Cryptographic Hash Functions

md5 17a3f69225847115c1cdab535371034e
sha1 28595262384371580b64310cf14015717c9409d2
sha256 17abf654778f02fbc6e0ed701d1e4ac6c2343642ab6ef294f97c42508a440cee
sha512 43433c7ccbdb2a1112e0050701f3a17abcbe7288a092418862cf15aa56313000cccc0713c51fc810671739c195efd8d2f127698e7e0f59aa6966213cf7d2987a
ripemd-160 16d9c5d35256f2f3854b76785284a5250bf45690

78989891 as geometric shapes

Circle

Radius = n
Diameter 157979782
Circumference 496308122.54692
Area 1.9601662251198E+16

Sphere

Radius = n
Volume 2.0644442195212E+24
Surface area 7.8406649004791E+16
Circumference 496308122.54692

Square

Length = n
Perimeter 315959564
Area 6239402880191881
Diagonal 111708575.14257

Cube

Length = n
Surface area 37436417281151286
Volume 4.9284975341144E+23
Space diagonal 136814504.49633

Equilateral Triangle

Length = n
Perimeter 236969673
Area 2.701740699346E+15
Altitude 68407252.248164

Triangular Pyramid

Length = n
Surface area 2.701740699346E+15
Volume 5.8082900457225E+22
Height 37236191.714191