78161720 (number)

78161720 is an even 8-digits composite number following 78161719 and preceding 78161721. In scientific notation, it is written as 7.8161720 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 64 positive divisors. There are 24385536 positive integers (up to 78161720) that are relatively prime to 78161720.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred sixty-one thousand seven hundred twenty

Notation

Scientific notation 7.8161720 × 10^7
Engineering notation 7.8161720 × 10^6

Prime Factorization of 78161720

Prime Factorization 2 × 2 × 2 × 35 × 13 × 197 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 19540430
Product of the distinct prime numbers

The prime factorization of 78161720 is 2 × 2 × 2 × 35 × 13 × 197 × 109. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 7, 10, 58, 718, 890, 6344, 3327, 16966, 4614, 691958, 555599, 9797393, 6505475, 88866822, 42237866, 725793105, 23713546, 6775320003, 8506922739

Basic calculations (n = 78161720)

Multiplication

n×y
n×2 156323440
n×3 234485160
n×4 312646880
n×5 390808600

Division

n÷y
n÷2 39080860
n÷3 26053906.666667
n÷3 19540430
n÷5 15632344

Exponentiation

ny
n2 6109254473358400
n3 4.7750983755539E+23
n4 3.732299022025E+31
n5 2.9172291111579E+39

Nth Root

y√n
2√n 8840.9117176907
3√n 427.56095251648
4√n 94.026122528214
5√n 37.896475548448

Divisors of 78161720

1, 2, 4, 8, 13, 26, 35, 52, 70, 104, 109, 140, 197, 218, 280, 394, 436, 455, 788, 872, 910, 1417, 1576, 1820, 2561, 2834, 3640, 3815, 5122, 5668, 6895, 7630, 10244, 11336, 13790, 15260, 20488, 21473, 27580, 30520, 42946, 49595, 55160, 85892, 89635, 99190, 171784, 179270, 198380, 279149, 358540, 396760, 558298, 717080, 751555, 1116596, 1503110, 2233192, 3006220, 6012440, 9770215, 19540430, 39080860, 78161720

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78161719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78161720 can be divided by 64 positive divisors. The sum of these divisors (counting 78161720) is 1, the average is 0.015625.

Base conversion 78161720

Base System Value
2 Binary 100101010001010011100111000
3 Ternary 12110002000201112
4 Quaternary 10222022130320
5 Quinary 130002133340
6 Senary 11431135452
8 Octal 452123470
10 Decimal 78161720
12 Duodecimal 22214588
16 Hexadecimal 4a8a738
20 Vigesimal 148a460
36 Base36 1aj9yw

Cryptographic Hash Functions

md5 623d47b92e0b657f69f5ff50fb1c47a0
sha1 f5e22c91ca57956d687615fe147190ed0811571b
sha256 bf35c60cd4a6e56b5fff88de6f3ff6e9220e5754e12a2d0ca190c513ff0bf923
sha512 155a8749999280753dded9e81c4580bb940cec23ee5536e17795da5d0abdb9e14cc0ae1a10620a3d5bb409a99af2306f6e88cf48466b1658dda76ef11ab57446
ripemd-160 6cbf8295c7c83b3742025fe72bb5ddfffe205b56

78161720 as geometric shapes

Circle

Radius = n
Diameter 156323440
Circumference 491104570.68788
Area 1.9192788972413E+16

Sphere

Radius = n
Volume 2.0001885302411E+24
Surface area 7.6771155889653E+16
Circumference 491104570.68788

Square

Length = n
Perimeter 312646880
Area 6109254473358400
Diagonal 110537364.48241

Cube

Length = n
Surface area 36655526840150400
Volume 4.7750983755539E+23
Space diagonal 135380070.24697

Equilateral Triangle

Length = n
Perimeter 234485160
Area 2.645384786056E+15
Altitude 67690035.123486

Triangular Pyramid

Length = n
Surface area 2.645384786056E+15
Volume 5.627507403645E+22
Height 36845788.160803