81973670 (number)

81973670 is an even 8-digits composite number following 81973669 and preceding 81973671. In scientific notation, it is written as 8.1973670 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 32622240 positive integers (up to 81973670) that are relatively prime to 81973670.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1973670 × 10^7
Engineering notation 8.1973670 × 10^6

Prime Factorization of 81973670

Prime Factorization 2 × 5 × 197 × 41611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81973670
Product of the distinct prime numbers

The prime factorization of 81973670 is 2 × 5 × 197 × 41611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 41, 36, 158, 832, 4554, 9243, 17401, 9241, 269024, 753715, 8239020, 1173557, 62541809, 46658441, 820005584, 125730113, 8498571424, 5839899652

Basic calculations (n = 81973670)

Multiplication

n×y
n×2 163947340
n×3 245921010
n×4 327894680
n×5 409868350

Division

n÷y
n÷2 40986835
n÷3 27324556.666667
n÷3 20493417.5
n÷5 16394734

Exponentiation

ny
n2 6719682573268900
n3 5.508370417659E+23
n4 4.5154133885494E+31
n5 3.7014500702653E+39

Nth Root

y√n
2√n 9053.9311903725
3√n 434.40164351866
4√n 95.15214758676
5√n 38.259111123735

Divisors of 81973670

1, 2, 5, 10, 197, 394, 985, 1970, 41611, 83222, 208055, 416110, 8197367, 16394734, 40986835, 81973670

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81973669
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81973670 can be divided by 16 positive divisors. The sum of these divisors (counting 81973670) is 1, the average is 0.0625.

Base conversion 81973670

Base System Value
2 Binary 100111000101101000110100110
3 Ternary 12201020200201212
4 Quaternary 10320231012212
5 Quinary 131441124140
6 Senary 12044551422
8 Octal 470550646
10 Decimal 81973670
12 Duodecimal 23552572
16 Hexadecimal 4e2d1a6
20 Vigesimal 15c6e3a
36 Base36 1cszae

Cryptographic Hash Functions

md5 f16f223149e33cab40bfff6cc6a23e33
sha1 e6ab1039fb1386c98269c3f7478f0d87cc9f295f
sha256 ea6893a29d9b7cb3a197455c1921ab87e4c7740dd25876bb092a0fdb3122dd4c
sha512 98fad27b26321e9f457195a9ef37acba6ba3e1d83de5a3aa9d02227ce008793ec013bc49f7dc48fe843e0db2ac8df353152e7008dd939683bed331fd336becee
ripemd-160 7e4eb3cc9950df1a13ab2860213a806c58dd45fd

81973670 as geometric shapes

Circle

Radius = n
Diameter 163947340
Circumference 515055758.91959
Area 2.1110505406637E+16

Sphere

Radius = n
Volume 2.3073408049825E+24
Surface area 8.4442021626548E+16
Circumference 515055758.91959

Square

Length = n
Perimeter 327894680
Area 6719682573268900
Diagonal 115928275.8715

Cube

Length = n
Surface area 40318095439613400
Volume 5.508370417659E+23
Space diagonal 141982561.32288

Equilateral Triangle

Length = n
Perimeter 245921010
Area 2.9097079069092E+15
Altitude 70991280.661442

Triangular Pyramid

Length = n
Surface area 2.9097079069092E+15
Volume 6.49167679269E+22
Height 38642758.623832