77981908 (number)

77981908 is an even 8-digits composite number following 77981907 and preceding 77981909. In scientific notation, it is written as 7.7981908 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 38961792 positive integers (up to 77981908) that are relatively prime to 77981908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7981908 × 10^7
Engineering notation 7.7981908 × 10^6

Prime Factorization of 77981908

Prime Factorization 2 × 2 × 1489 × 13093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 38990954
Product of the distinct prime numbers

The prime factorization of 77981908 is 2 × 2 × 1489 × 13093. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 34, 26, 832, 936, 1490, 4028, 60318, 86377, 919180, 625832, 9377032, 6659477, 2463994, 43692749, 839449997, 880890977, 4020352877, 4943151617

Basic calculations (n = 77981908)

Multiplication

n×y
n×2 155963816
n×3 233945724
n×4 311927632
n×5 389909540

Division

n÷y
n÷2 38990954
n÷3 25993969.333333
n÷3 19495477
n÷5 15596381.6

Exponentiation

ny
n2 6081177975320464
n3 4.7422186140307E+23
n4 3.6980725567523E+31
n5 2.8838275389798E+39

Nth Root

y√n
2√n 8830.736549122
3√n 427.23283102524
4√n 93.971998750277
5√n 37.879023219537

Divisors of 77981908

1, 2, 4, 1489, 2978, 5956, 13093, 26186, 52372, 19495477, 38990954, 77981908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -77981907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 77981908 can be divided by 12 positive divisors. The sum of these divisors (counting 77981908) is 1, the average is 0.083333333333333.

Base conversion 77981908

Base System Value
2 Binary 100101001011110100011010100
3 Ternary 12102201220001211
4 Quaternary 10221132203110
5 Quinary 124430410113
6 Senary 11423231204
8 Octal 451364324
10 Decimal 77981908
12 Duodecimal 22148504
16 Hexadecimal 4a5e8d4
20 Vigesimal 1477ef8
36 Base36 1aff84

Cryptographic Hash Functions

md5 50937b5c97c36d71989997c7eb9bbb8d
sha1 351c8c65b3fe325408f3b50be8c57483b6bf30d3
sha256 d127f3e65f365c91a70c1a3fbf3c31f8c89e16a2a7c6fea2e623b449ee7721d9
sha512 aa906f99b5c6c4de223ffb6c60c6ad9cd9e90b3bcecd48324c791ad15a27650763a14be62d89e8082879eac33621dc4892a134503e6a73d710cc359fe3379bdc
ripemd-160 5a31d6f7ea2c2bab5e8664ab257cd31cbdc39c41

77981908 as geometric shapes

Circle

Radius = n
Diameter 155963816
Circumference 489974778.57143
Area 1.9104584052439E+16

Sphere

Radius = n
Volume 1.9864158879407E+24
Surface area 7.6418336209755E+16
Circumference 489974778.57143

Square

Length = n
Perimeter 311927632
Area 6081177975320464
Diagonal 110283071.91333

Cube

Length = n
Surface area 36487067851922784
Volume 4.7422186140307E+23
Space diagonal 135068626.72716

Equilateral Triangle

Length = n
Perimeter 233945724
Area 2.633227305781E+15
Altitude 67534313.363581

Triangular Pyramid

Length = n
Surface area 2.633227305781E+15
Volume 5.5887582330836E+22
Height 36761023.97111