78978091 (number)

78978091 is an odd 8-digits composite number following 78978090 and preceding 78978092. In scientific notation, it is written as 7.8978091 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 76121568 positive integers (up to 78978091) that are relatively prime to 78978091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8978091 × 10^7
Engineering notation 7.8978091 × 10^6

Prime Factorization of 78978091

Prime Factorization 3959 × 19949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78978091
Product of the distinct prime numbers

The prime factorization of 78978091 is 3959 × 19949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78978091)

Multiplication

n×y
n×2 157956182
n×3 236934273
n×4 315912364
n×5 394890455

Division

n÷y
n÷2 39489045.5
n÷3 26326030.333333
n÷3 19744522.75
n÷5 15795618.2

Exponentiation

ny
n2 6237538858004281
n3 4.926289115435E+23
n4 3.8906891005113E+31
n5 3.0727919783289E+39

Nth Root

y√n
2√n 8886.9618543122
3√n 429.04437320277
4√n 94.270683960138
5√n 37.975309880647

Divisors of 78978091

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 -78978090
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 78978091 can be divided by 4 positive divisors. The sum of these divisors (counting 78978091) is 1, the average is 0.25.

Base conversion 78978091

Base System Value
2 Binary 100101101010001110000101011
3 Ternary 12111121111120111
4 Quaternary 10231101300223
5 Quinary 130204244331
6 Senary 11500435151
8 Octal 455216053
10 Decimal 78978091
12 Duodecimal 22548ab7
16 Hexadecimal 4b51c2b
20 Vigesimal 14dc54b
36 Base36 1b0rvv

Cryptographic Hash Functions

md5 71430d15b6c55178a7b3141f8c7e2cc8
sha1 b3f5fa4a527a1b698a0fb61893d475da2b383822
sha256 7398a6564f04d8fd9756bf3a5a6dec2f85f138973f0477717f5e62fa718e314f
sha512 f002adacd20e41a4ee40457d69c20e9b45a2e44996669859308c9141620e2235f0db8888a4eb8526e1569d82fb53e898e2037d30f59a61871b5fed7982f6657f
ripemd-160 93cf1bf186502c55192b9e023367f34d291eedde

78978091 as geometric shapes

Circle

Radius = n
Diameter 157956182
Circumference 496233980.96029
Area 1.9595806252787E+16

Sphere

Radius = n
Volume 2.063519159268E+24
Surface area 7.8383225011148E+16
Circumference 496233980.96029

Square

Length = n
Perimeter 315912364
Area 6237538858004281
Diagonal 111691887.42254

Cube

Length = n
Surface area 37425233148025686
Volume 4.926289115435E+23
Space diagonal 136794066.2968

Equilateral Triangle

Length = n
Perimeter 236934273
Area 2.7009335540621E+15
Altitude 68397033.148399

Triangular Pyramid

Length = n
Surface area 2.7009335540621E+15
Volume 5.8056873993493E+22
Height 37230629.140845