77881921 (number)

77881921 is an odd 8-digits composite number following 77881920 and preceding 77881922. In scientific notation, it is written as 7.7881921 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 71890992 positive integers (up to 77881921) that are relatively prime to 77881921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7881921 × 10^7
Engineering notation 7.7881921 × 10^6

Prime Factorization of 77881921

Prime Factorization 13 × 5990917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 77881921
Product of the distinct prime numbers

The prime factorization of 77881921 is 13 × 5990917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 77881921)

Multiplication

n×y
n×2 155763842
n×3 233645763
n×4 311527684
n×5 389409605

Division

n÷y
n÷2 38940960.5
n÷3 25960640.333333
n÷3 19470480.25
n÷5 15576384.2

Exponentiation

ny
n2 6065593618650241
n3 4.7240008302582E+23
n4 3.6791425946611E+31
n5 2.8653869290513E+39

Nth Root

y√n
2√n 8825.0734274566
3√n 427.050156178
4√n 93.941861954384
5√n 37.869304673409

Divisors of 77881921

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 -77881920
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 77881921 can be divided by 4 positive divisors. The sum of these divisors (counting 77881921) is 1, the average is 0.25.

Base conversion 77881921

Base System Value
2 Binary 100101001000110001001000001
3 Ternary 12102112210220121
4 Quaternary 10221012021001
5 Quinary 124414210141
6 Senary 11421140241
8 Octal 451061101
10 Decimal 77881921
12 Duodecimal 220ba681
16 Hexadecimal 4a46241
20 Vigesimal 146f4g1
36 Base36 1ada2p

Cryptographic Hash Functions

md5 6b6263971353c6e3fc4cd15dbece460b
sha1 5f7dfd56f38906a56e86a7f18fe98b6fdfbaa696
sha256 d94e26231bccaf5a5908bf0878692238ef888d4491edc461c704be8a31f1ff24
sha512 fd91582e065cf94f86449b94acc6f7c68b6a6e1cc0cd3145bc23851da820bb924219dc36750ab02989ad53ab39df45c09ea2cd10036c4be496e969cea929b9a4
ripemd-160 0d45c0a95d7b38b20ae8c704ed1e63bd43ec5547

77881921 as geometric shapes

Circle

Radius = n
Diameter 155763842
Circumference 489346541.72212
Area 1.9055624352013E+16

Sphere

Radius = n
Volume 1.9787848405188E+24
Surface area 7.6222497408051E+16
Circumference 489346541.72212

Square

Length = n
Perimeter 311527684
Area 6065593618650241
Diagonal 110141668.94187

Cube

Length = n
Surface area 36393561711901446
Volume 4.7240008302582E+23
Space diagonal 134895444.16307

Equilateral Triangle

Length = n
Perimeter 233645763
Area 2.6264790813919E+15
Altitude 67447722.081533

Triangular Pyramid

Length = n
Surface area 2.6264790813919E+15
Volume 5.5672883690108E+22
Height 36713889.64729