78840781 (number)

78840781 is an odd 8-digits composite number following 78840780 and preceding 78840782. In scientific notation, it is written as 7.8840781 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 71808960 positive integers (up to 78840781) that are relatively prime to 78840781.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred forty thousand seven hundred eighty-one

Notation

Scientific notation 7.8840781 × 10^7
Engineering notation 7.8840781 × 10^6

Prime Factorization of 78840781

Prime Factorization 17 × 31 × 149603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78840781
Product of the distinct prime numbers

The prime factorization of 78840781 is 17 × 31 × 149603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 97, 97, 309, 511, 5355, 3616, 14455, 59511, 729925, 765457, 4655488, 2716956, 48502800, 4329083, 856099332, 785859385, 9291330915, 6805539815

Basic calculations (n = 78840781)

Multiplication

n×y
n×2 157681562
n×3 236522343
n×4 315363124
n×5 394203905

Division

n÷y
n÷2 39420390.5
n÷3 26280260.333333
n÷3 19710195.25
n÷5 15768156.2

Exponentiation

ny
n2 6215868748689961
n3 4.9006394674021E+23
n4 3.8637024300941E+31
n5 3.0461731714021E+39

Nth Root

y√n
2√n 8879.2331313014
3√n 428.79558582244
4√n 94.229682856844
5√n 37.962096039234

Divisors of 78840781

1, 17, 31, 527, 149603, 2543251, 4637693, 78840781

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 -78840780
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 78840781 can be divided by 8 positive divisors. The sum of these divisors (counting 78840781) is 1, the average is 0.125.

Base conversion 78840781

Base System Value
2 Binary 100101100110000001111001101
3 Ternary 12111100112012221
4 Quaternary 10230300033031
5 Quinary 130140401111
6 Senary 11453455341
8 Octal 454601715
10 Decimal 78840781
12 Duodecimal 224a1551
16 Hexadecimal 4b303cd
20 Vigesimal 14cf1j1
36 Base36 1axtxp

Cryptographic Hash Functions

md5 3348a845464d5765ed85f48c498f73e9
sha1 8afbb23c3180230786c308a52b20b5ab27d46f40
sha256 3eaa1fffa2f19fd96c8932df4b3edf42c73d31d9323a652f22fdf5e40a5242bd
sha512 d026e6fcef90877e7183a0742bdafa43a22aa273f1c450dc497ad60504efb89bc653bfb7b0fcdc4eb34ffde43161e7135b05c67a511e6a40566dbb75edde49a0
ripemd-160 d02a324f4aeb3000e19fcb711d62f725bcb82922

78840781 as geometric shapes

Circle

Radius = n
Diameter 157681562
Circumference 495371236.78576
Area 1.9527727596563E+16

Sphere

Radius = n
Volume 2.0527750598243E+24
Surface area 7.8110910386251E+16
Circumference 495371236.78576

Square

Length = n
Perimeter 315363124
Area 6215868748689961
Diagonal 111497701.75829

Cube

Length = n
Surface area 37295212492139766
Volume 4.9006394674021E+23
Space diagonal 136556238.40041

Equilateral Triangle

Length = n
Perimeter 236522343
Area 2.6915501214776E+15
Altitude 68278119.200205

Triangular Pyramid

Length = n
Surface area 2.6915501214776E+15
Volume 5.7754589992508E+22
Height 37165900.586096