78446721 (number)

78446721 is an odd 8-digits composite number following 78446720 and preceding 78446722. In scientific notation, it is written as 7.8446721 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 47080704 positive integers (up to 78446721) that are relatively prime to 78446721.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-six thousand seven hundred twenty-one

Notation

Scientific notation 7.8446721 × 10^7
Engineering notation 7.8446721 × 10^6

Prime Factorization of 78446721

Prime Factorization 3 × 17 × 23 × 66877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78446721
Product of the distinct prime numbers

The prime factorization of 78446721 is 3 × 17 × 23 × 66877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 92, 14, 628, 243, 100, 1030, 61369, 35315, 530480, 856314, 4040245, 889671, 32270826, 17550348, 544390969, 644172345, 5510832487, 3523948914

Basic calculations (n = 78446721)

Multiplication

n×y
n×2 156893442
n×3 235340163
n×4 313786884
n×5 392233605

Division

n÷y
n÷2 39223360.5
n÷3 26148907
n÷3 19611680.25
n÷5 15689344.2

Exponentiation

ny
n2 6153888035651841
n3 4.8275233779802E+23
n4 3.7870337955339E+31
n5 2.9708038357582E+39

Nth Root

y√n
2√n 8857.0153550731
3√n 428.07999385527
4√n 94.111717416446
5√n 37.924071704249

Divisors of 78446721

1, 3, 17, 23, 51, 69, 391, 1173, 66877, 200631, 1136909, 1538171, 3410727, 4614513, 26148907, 78446721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78446720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78446721 can be divided by 16 positive divisors. The sum of these divisors (counting 78446721) is 1, the average is 0.0625.

Base conversion 78446721

Base System Value
2 Binary 100101011010000000010000001
3 Ternary 12110121111200010
4 Quaternary 10223100002001
5 Quinary 130040243341
6 Senary 11441215133
8 Octal 453200201
10 Decimal 78446721
12 Duodecimal 223314a9
16 Hexadecimal 4ad0081
20 Vigesimal 14a5gg1
36 Base36 1apdvl

Cryptographic Hash Functions

md5 3eea82fb186e6fb9acc65fe29033c97e
sha1 fc87d80d14cebf1a075f8bbf14265fa5d8ab3e52
sha256 b494b36561f8ec5d1c67d8708da440b055a050450b5a6913f639bb96d455eec6
sha512 d5c358a3f0263660024b3b11f4cafa1ba4c5fadd4e55b95c86dce1e3ef1e03034cecbcb5457dfb20851a6c91ab3b20a4de521dc677b6ee74c09470a65e2c3dc5
ripemd-160 065591056d2221b57f3625415a2e40f545fd9835

78446721 as geometric shapes

Circle

Radius = n
Diameter 156893442
Circumference 492895284.78362
Area 1.9333009443818E+16

Sphere

Radius = n
Volume 2.0221482639061E+24
Surface area 7.7332037775272E+16
Circumference 492895284.78362

Square

Length = n
Perimeter 313786884
Area 6153888035651841
Diagonal 110940416.7619

Cube

Length = n
Surface area 36923328213911046
Volume 4.8275233779802E+23
Space diagonal 135873706.45918

Equilateral Triangle

Length = n
Perimeter 235340163
Area 2.6647116854598E+15
Altitude 67936853.22959

Triangular Pyramid

Length = n
Surface area 2.6647116854598E+15
Volume 5.6892908615106E+22
Height 36980138.920633