81672950 (number)

81672950 is an even 8-digits composite number following 81672949 and preceding 81672951. In scientific notation, it is written as 8.1672950 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 32669160 positive integers (up to 81672950) that are relatively prime to 81672950.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-two thousand nine hundred fifty

Notation

Scientific notation 8.1672950 × 10^7
Engineering notation 8.1672950 × 10^6

Prime Factorization of 81672950

Prime Factorization 2 × 5 × 5 × 1633459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16334590
Product of the distinct prime numbers

The prime factorization of 81672950 is 2 × 5 × 5 × 1633459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 13, 10, 358, 918, 8194, 5221, 8760, 20892, 213312, 222152, 4827091, 7401738, 33712327, 11026639, 235573157, 267850039, 1228310955, 1483017067

Basic calculations (n = 81672950)

Multiplication

n×y
n×2 163345900
n×3 245018850
n×4 326691800
n×5 408364750

Division

n÷y
n÷2 40836475
n÷3 27224316.666667
n÷3 20418237.5
n÷5 16334590

Exponentiation

ny
n2 6670470761702500
n3 5.4479702499699E+23
n4 4.4495180182728E+31
n5 3.6340526263049E+39

Nth Root

y√n
2√n 9037.3087808263
3√n 433.86979253492
4√n 95.064760983375
5√n 38.230999170279

Divisors of 81672950

1, 2, 5, 10, 25, 50, 1633459, 3266918, 8167295, 16334590, 40836475, 81672950

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 -81672949
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 81672950 can be divided by 12 positive divisors. The sum of these divisors (counting 81672950) is 1, the average is 0.083333333333333.

Base conversion 81672950

Base System Value
2 Binary 100110111100011101011110110
3 Ternary 12200200102020002
4 Quaternary 10313203223312
5 Quinary 131402013300
6 Senary 12034311302
8 Octal 467435366
10 Decimal 81672950
12 Duodecimal 23428532
16 Hexadecimal 4de3af6
20 Vigesimal 15a927a
36 Base36 1cmj92

Cryptographic Hash Functions

md5 c7fde41744f75fad8dffe795fefc40f2
sha1 c3a7016a1dc0d6966aa4998e1c0544a588457a7e
sha256 9fc2f52382872dd241afcb8e260a5de1b0941ff384f6b2f829cf71d1e43347bd
sha512 ed95a49066197323f01af457dbf35b301fcbd7a8ec723767813e1269bf7bcf6d5d02581995c07cfd271a08f26a5efede73d8b04f13793c694ddf8f922e3f16fd
ripemd-160 2c6a728e341a9479f94ae4cd84960449b37178fa

81672950 as geometric shapes

Circle

Radius = n
Diameter 163345900
Circumference 513166279.43401
Area 2.095590194095E+16

Sphere

Radius = n
Volume 2.2820404419042E+24
Surface area 8.38236077638E+16
Circumference 513166279.43401

Square

Length = n
Perimeter 326691800
Area 6670470761702500
Diagonal 115502993.56902

Cube

Length = n
Surface area 40022824570215000
Volume 5.4479702499699E+23
Space diagonal 141461699.00403

Equilateral Triangle

Length = n
Perimeter 245018850
Area 2.8883985674178E+15
Altitude 70730849.502016

Triangular Pyramid

Length = n
Surface area 2.8883985674178E+15
Volume 6.4204945124271E+22
Height 38500997.85634