81377900 (number)

81377900 is an even 8-digits composite number following 81377899 and preceding 81377901. In scientific notation, it is written as 8.1377900 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 32136000 positive integers (up to 81377900) that are relatively prime to 81377900.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1377900 × 10^7
Engineering notation 8.1377900 × 10^6

Prime Factorization of 81377900

Prime Factorization 2 × 2 × 25 × 79 × 10301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40688950
Product of the distinct prime numbers

The prime factorization of 81377900 is 2 × 2 × 25 × 79 × 10301. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81377900)

Multiplication

n×y
n×2 162755800
n×3 244133700
n×4 325511600
n×5 406889500

Division

n÷y
n÷2 40688950
n÷3 27125966.666667
n÷3 20344475
n÷5 16275580

Exponentiation

ny
n2 6622362608410000
n3 5.3891396211093E+23
n4 4.3855686517267E+31
n5 3.5688836718335E+39

Nth Root

y√n
2√n 9020.970014361
3√n 433.34669912752
4√n 94.978787180933
5√n 38.203336665706

Divisors of 81377900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81377899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81377900 can be divided by 24 positive divisors. The sum of these divisors (counting 81377900) is 1, the average is 0.041666666666667.

Base conversion 81377900

Base System Value
2 Binary 100110110011011101001101100
3 Ternary 12200010102111022
4 Quaternary 10312123221230
5 Quinary 131313043100
6 Senary 12024113312
8 Octal 466335154
10 Decimal 81377900
12 Duodecimal 23305838
16 Hexadecimal 4d9ba6c
20 Vigesimal 158c4f0
36 Base36 1cg7l8

Cryptographic Hash Functions

md5 13e9e0f578143e6495cda7b60d1e3af5
sha1 168aacb86ccc3fdcff0c7e7ff083c834cd74a3c2
sha256 626eb8cb308f37b5ed2f9e23012b2581915f7f01eaacefad5d910c52dd3834f3
sha512 397a14c0148b9b15cd254fc7adab37d99acebe29b90aeaebbe22d091750f3e176b31d3d471dd49d0beb265dce5cd60fb7b598d113780979c6858731c39f39b20
ripemd-160 593058b260513da87bd7eb399b70c91e24a60460

81377900 as geometric shapes

Circle

Radius = n
Diameter 162755800
Circumference 511312425.60913
Area 2.0804765719989E+16

Sphere

Radius = n
Volume 2.2573975257129E+24
Surface area 8.3219062879954E+16
Circumference 511312425.60913

Square

Length = n
Perimeter 325511600
Area 6622362608410000
Diagonal 115085729.85744

Cube

Length = n
Surface area 39734175650460000
Volume 5.3891396211093E+23
Space diagonal 140950657.41326

Equilateral Triangle

Length = n
Perimeter 244133700
Area 2.8675671259776E+15
Altitude 70475328.70663

Triangular Pyramid

Length = n
Surface area 2.8675671259776E+15
Volume 6.3511619514125E+22
Height 38361909.952481