78889721 (number)

78889721 is an odd 8-digits composite number following 78889720 and preceding 78889722. In scientific notation, it is written as 7.8889721 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 78777744 positive integers (up to 78889721) that are relatively prime to 78889721.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 7.8889721 × 10^7
Engineering notation 7.8889721 × 10^6

Prime Factorization of 78889721

Prime Factorization 709 × 111269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78889721
Product of the distinct prime numbers

The prime factorization of 78889721 is 709 × 111269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78889721)

Multiplication

n×y
n×2 157779442
n×3 236669163
n×4 315558884
n×5 394448605

Division

n÷y
n÷2 39444860.5
n÷3 26296573.666667
n÷3 19722430.25
n÷5 15777944.2

Exponentiation

ny
n2 6223588079457841
n3 4.9097712720735E+23
n4 3.873304858277E+31
n5 3.0556393961741E+39

Nth Root

y√n
2√n 8881.9885723863
3√n 428.8842916717
4√n 94.244302599076
5√n 37.96680782373

Divisors of 78889721

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 -78889720
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 78889721 can be divided by 4 positive divisors. The sum of these divisors (counting 78889721) is 1, the average is 0.25.

Base conversion 78889721

Base System Value
2 Binary 100101100111100001011111001
3 Ternary 12111110000100112
4 Quaternary 10230330023321
5 Quinary 130143432341
6 Senary 11454514105
8 Octal 454741371
10 Decimal 78889721
12 Duodecimal 22505935
16 Hexadecimal 4b3c2f9
20 Vigesimal 14d1461
36 Base36 1ayvp5

Cryptographic Hash Functions

md5 a44a5d2330699db40959939ae1de18e2
sha1 a69e8fa4297612e9477658826993ea813cd68468
sha256 2a3f2664e056fc782c6d1b9f3bc8d936435073a258c047469f9407b8fef67357
sha512 6d73e3bfd677b0ec73f5b176cea884b9dd6f9245b15501e6e2ad0a49c70f6bfcce5596f1631868e5785261a8ded50df3f15925f512e6e792396d7143760fde67
ripemd-160 b1e0d72167e34314eb398915ebc0eb36c3fbb1ae

78889721 as geometric shapes

Circle

Radius = n
Diameter 157779442
Circumference 495678735.8747
Area 1.9551978589394E+16

Sphere

Radius = n
Volume 2.0566001812203E+24
Surface area 7.8207914357575E+16
Circumference 495678735.8747

Square

Length = n
Perimeter 315558884
Area 6223588079457841
Diagonal 111566913.37003

Cube

Length = n
Surface area 37341528476747046
Volume 4.9097712720735E+23
Space diagonal 136641004.96693

Equilateral Triangle

Length = n
Perimeter 236669163
Area 2.6948926897502E+15
Altitude 68320502.483467

Triangular Pyramid

Length = n
Surface area 2.6948926897502E+15
Volume 5.7862209342635E+22
Height 37188971.123343