77981954 (number)

77981954 is an even 8-digits composite number following 77981953 and preceding 77981955. In scientific notation, it is written as 7.7981954 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 38990976 positive integers (up to 77981954) that are relatively prime to 77981954.

Interesting facts

Basic properties

Name

Name seventy-seven million nine hundred eighty-one thousand nine hundred fifty-four

Notation

Scientific notation 7.7981954 × 10^7
Engineering notation 7.7981954 × 10^6

Prime Factorization of 77981954

Prime Factorization 2 × 38990977

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 77981954
Product of the distinct prime numbers

The prime factorization of 77981954 is 2 × 38990977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 77981954)

Multiplication

n×y
n×2 155963908
n×3 233945862
n×4 311927816
n×5 389909770

Division

n÷y
n÷2 38990977
n÷3 25993984.666667
n÷3 19495488.5
n÷5 15596390.8

Exponentiation

ny
n2 6081185149658116
n3 4.7422270060612E+23
n4 3.6980812824422E+31
n5 2.8838360445567E+39

Nth Root

y√n
2√n 8830.7391536609
3√n 427.23291503065
4√n 93.972012608334
5√n 37.879027688354

Divisors of 77981954

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 -77981953
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 77981954 can be divided by 4 positive divisors. The sum of these divisors (counting 77981954) is 1, the average is 0.25.

Base conversion 77981954

Base System Value
2 Binary 100101001011110100100000010
3 Ternary 12102201220010112
4 Quaternary 10221132210002
5 Quinary 124430410304
6 Senary 11423231322
8 Octal 451364402
10 Decimal 77981954
12 Duodecimal 22148542
16 Hexadecimal 4a5e902
20 Vigesimal 1477ehe
36 Base36 1aff9e

Cryptographic Hash Functions

md5 349eceadd9990ea3b2341ce8e670ae5f
sha1 f3050a5393f90cf33e70ae5215bb37255013f81a
sha256 39e033a678fdf81af90d911844b7f1a9f21651c43848b140881ded9752dea2e6
sha512 90d270370d8bee7328c7b533c2f16c54eb7c14c211d3801ae07cd84c9e0b1402d64f3165b58e21c8bb0069b80bbac813ef40f3cdda5785fe70adfba659f8a21a
ripemd-160 956485ec5a881df7ecebc2b96c92ecaac89a2866

77981954 as geometric shapes

Circle

Radius = n
Diameter 155963908
Circumference 489975067.59795
Area 1.9104606591285E+16

Sphere

Radius = n
Volume 1.9864194031863E+24
Surface area 7.6418426365141E+16
Circumference 489975067.59795

Square

Length = n
Perimeter 311927816
Area 6081185149658116
Diagonal 110283136.96715

Cube

Length = n
Surface area 36487110897948696
Volume 4.7422270060612E+23
Space diagonal 135068706.4015

Equilateral Triangle

Length = n
Perimeter 233945862
Area 2.6332304123603E+15
Altitude 67534353.20075

Triangular Pyramid

Length = n
Surface area 2.6332304123603E+15
Volume 5.5887681231864E+22
Height 36761045.655718