77998021 (number)

77998021 is an odd 8-digits composite number following 77998020 and preceding 77998022. In scientific notation, it is written as 7.7998021 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 73892520 positive integers (up to 77998021) that are relatively prime to 77998021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7998021 × 10^7
Engineering notation 7.7998021 × 10^6

Prime Factorization of 77998021

Prime Factorization 361 × 216061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 77998021
Product of the distinct prime numbers

The prime factorization of 77998021 is 361 × 216061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 77998021)

Multiplication

n×y
n×2 155996042
n×3 233994063
n×4 311992084
n×5 389990105

Division

n÷y
n÷2 38999010.5
n÷3 25999340.333333
n÷3 19499505.25
n÷5 15599604.2

Exponentiation

ny
n2 6083691279916441
n3 4.7451588020844E+23
n4 3.7011299589331E+31
n5 2.886808122606E+39

Nth Root

y√n
2√n 8831.6488268047
3√n 427.26225463858
4√n 93.976852611718
5√n 37.880588439671

Divisors of 77998021

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 -77998020
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 77998021 can be divided by 4 positive divisors. The sum of these divisors (counting 77998021) is 1, the average is 0.25.

Base conversion 77998021

Base System Value
2 Binary 100101001100010011111000101
3 Ternary 12102202201011121
4 Quaternary 10221202133011
5 Quinary 124431414041
6 Senary 11423433541
8 Octal 451423705
10 Decimal 77998021
12 Duodecimal 221558b1
16 Hexadecimal 4a627c5
20 Vigesimal 1479f11
36 Base36 1afrnp

Cryptographic Hash Functions

md5 c4d6a805030fd9d7d0ff2f85d8abfb1e
sha1 1be16760f069de4fcb68ad5ea638b1515c6eadd4
sha256 5b15a50f214ad735439b803f3c6c624516a36a40a592f21e19a9ba685a39efbc
sha512 7bd896fb3e1dc8fc72eddb38d51dafee63075acc3a6df34ae9f020dfa73bee9e73561d120d93fe970490ed81a0d9527d21c65907866f174bd68a3cac51d025cc
ripemd-160 1cbb2a9c3c14b0c61927545067ed690210c3ba7d

77998021 as geometric shapes

Circle

Radius = n
Diameter 155996042
Circumference 490076019.53628
Area 1.9112479831694E+16

Sphere

Radius = n
Volume 1.9876474710327E+24
Surface area 7.6449919326775E+16
Circumference 490076019.53628

Square

Length = n
Perimeter 311992084
Area 6083691279916441
Diagonal 110305859.13646

Cube

Length = n
Surface area 36502147679498646
Volume 4.7451588020844E+23
Space diagonal 135096535.26182

Equilateral Triangle

Length = n
Perimeter 233994063
Area 2.6343155985948E+15
Altitude 67548267.630912

Triangular Pyramid

Length = n
Surface area 2.6343155985948E+15
Volume 5.5922232779349E+22
Height 36768619.712154