78840391 (number)

78840391 is an odd 8-digits composite number following 78840390 and preceding 78840392. In scientific notation, it is written as 7.8840391 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 67490808 positive integers (up to 78840391) that are relatively prime to 78840391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8840391 × 10^7
Engineering notation 7.8840391 × 10^6

Prime Factorization of 78840391

Prime Factorization 7 × 827 × 13619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78840391
Product of the distinct prime numbers

The prime factorization of 78840391 is 7 × 827 × 13619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78840391)

Multiplication

n×y
n×2 157680782
n×3 236521173
n×4 315361564
n×5 394201955

Division

n÷y
n÷2 39420195.5
n÷3 26280130.333333
n÷3 19710097.75
n÷5 15768078.2

Exponentiation

ny
n2 6215807253032881
n3 4.9005667420975E+23
n4 3.8636259806856E+31
n5 3.0460978299501E+39

Nth Root

y√n
2√n 8879.2111699182
3√n 428.7948787833
4√n 94.22956632564
5√n 37.962058481903

Divisors of 78840391

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78840390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78840391 can be divided by 8 positive divisors. The sum of these divisors (counting 78840391) is 1, the average is 0.125.

Base conversion 78840391

Base System Value
2 Binary 100101100110000001001000111
3 Ternary 12111100111200111
4 Quaternary 10230300021013
5 Quinary 130140343031
6 Senary 11453453451
8 Octal 454601107
10 Decimal 78840391
12 Duodecimal 224a1287
16 Hexadecimal 4b30247
20 Vigesimal 14cf0jb
36 Base36 1axtmv

Cryptographic Hash Functions

md5 1783a655d65ee167d4b02ef95a25d525
sha1 bda6fb8fb9a70382887ab6f4bd03c642b051b77c
sha256 368caddb77eeec7da08201ff009eedd33f6e920587dc6dd37e074d614e770ffd
sha512 c85042eb1693ce82f3a5cf7e1e4f946e07ec90e4e3c63050d824939716c3a6ec21a0c48fe212d89d69640db7df04e09b33e94574b79642aeeac2bc2edc2f9c32
ripemd-160 dc0f6eab17e3a7c5d2eb6bb86f780708d95b54d2

78840391 as geometric shapes

Circle

Radius = n
Diameter 157680782
Circumference 495368786.34349
Area 1.9527534402258E+16

Sphere

Radius = n
Volume 2.05274459672E+24
Surface area 7.8110137609033E+16
Circumference 495368786.34349

Square

Length = n
Perimeter 315361564
Area 6215807253032881
Diagonal 111497150.215

Cube

Length = n
Surface area 37294843518197286
Volume 4.9005667420975E+23
Space diagonal 136555562.9006

Equilateral Triangle

Length = n
Perimeter 236521173
Area 2.691523493077E+15
Altitude 68277781.450298

Triangular Pyramid

Length = n
Surface area 2.691523493077E+15
Volume 5.7753732916573E+22
Height 37165716.738333