77778921 (number)

77778921 is an odd 8-digits composite number following 77778920 and preceding 77778922. In scientific notation, it is written as 7.7778921 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 45856800 positive integers (up to 77778921) that are relatively prime to 77778921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7778921 × 10^7
Engineering notation 7.7778921 × 10^6

Prime Factorization of 77778921

Prime Factorization 3 × 121 × 37 × 5791

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 77778921
Product of the distinct prime numbers

The prime factorization of 77778921 is 3 × 121 × 37 × 5791. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 54, 21, 696, 644, 1706, 6592, 69731, 60698, 945384, 124845, 6471960, 9309731, 47587547, 40230159, 497904603, 723306506, 6202556735, 1528072685

Basic calculations (n = 77778921)

Multiplication

n×y
n×2 155557842
n×3 233336763
n×4 311115684
n×5 388894605

Division

n÷y
n÷2 38889460.5
n÷3 25926307
n÷3 19444730.25
n÷5 15555784.2

Exponentiation

ny
n2 6049560551924241
n3 4.7052829225283E+23
n4 3.6597182871398E+31
n5 2.846489395377E+39

Nth Root

y√n
2√n 8819.2358512515
3√n 426.86181306162
4√n 93.910786660807
5√n 37.859282826547

Divisors of 77778921

1, 3, 37, 111, 121, 363, 4477, 5791, 13431, 17373, 214267, 642801, 700711, 2102133, 25926307, 77778921

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 -77778920
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 77778921 can be divided by 16 positive divisors. The sum of these divisors (counting 77778921) is 1, the average is 0.0625.

Base conversion 77778921

Base System Value
2 Binary 100101000101100111111101001
3 Ternary 12102100120121210
4 Quaternary 10220230333221
5 Quinary 124402411141
6 Senary 11415023333
8 Octal 450547751
10 Decimal 77778921
12 Duodecimal 2206ab49
16 Hexadecimal 4a2cfe9
20 Vigesimal 1462761
36 Base36 1ab2ll

Cryptographic Hash Functions

md5 0726700dcc27999e37d6d81dc969b2e3
sha1 a8736bd8d2abdf8adc7f0da4140b84fd37ab59f3
sha256 551a9cfc12e535a3ebc13021264ac30765116eb25c3eba224ef482546766edec
sha512 3fbdaf89fb581858ee0d1f08840365052983ad3eb1fa673d7e7aebe6949c40e1388859f1a56b7b0047cab8bf87bc3802b22903a019624f7d7a4ba6f96ab1ed3f
ripemd-160 dd60854b7b050ce18ad091b0537d7c9017f9be73

77778921 as geometric shapes

Circle

Radius = n
Diameter 155557842
Circumference 488699373.63548
Area 1.9005254987372E+16

Sphere

Radius = n
Volume 1.9709443016635E+24
Surface area 7.6021019949487E+16
Circumference 488699373.63548

Square

Length = n
Perimeter 311115684
Area 6049560551924241
Diagonal 109996004.94495

Cube

Length = n
Surface area 36297363311545446
Volume 4.7052829225283E+23
Space diagonal 134717042.92989

Equilateral Triangle

Length = n
Perimeter 233336763
Area 2.6195365598493E+15
Altitude 67358521.464943

Triangular Pyramid

Length = n
Surface area 2.6195365598493E+15
Volume 5.5452291032017E+22
Height 36665334.981649