81490214 (number)

81490214 is an even 8-digits composite number following 81490213 and preceding 81490215. In scientific notation, it is written as 8.1490214 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 35228160 positive integers (up to 81490214) that are relatively prime to 81490214.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand two hundred fourteen

Notation

Scientific notation 8.1490214 × 10^7
Engineering notation 8.1490214 × 10^6

Prime Factorization of 81490214

Prime Factorization 2 × 13 × 17 × 557 × 331

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81490214
Product of the distinct prime numbers

The prime factorization of 81490214 is 2 × 13 × 17 × 557 × 331. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 70, 98, 768, 999, 177, 7521, 87008, 1626, 953273, 592710, 4260084, 883868, 39802737, 22498847, 947080610, 869163791, 5728771207, 741841530

Basic calculations (n = 81490214)

Multiplication

n×y
n×2 162980428
n×3 244470642
n×4 325960856
n×5 407451070

Division

n÷y
n÷2 40745107
n÷3 27163404.666667
n÷3 20372553.5
n÷5 16298042.8

Exponentiation

ny
n2 6640654977765796
n3 5.411483952383E+23
n4 4.4098298533726E+31
n5 3.5935797845492E+39

Nth Root

y√n
2√n 9027.1930299512
3√n 433.54596914723
4√n 95.011541561808
5√n 38.213876143243

Divisors of 81490214

1, 2, 13, 17, 26, 34, 221, 331, 442, 557, 662, 1114, 4303, 5627, 7241, 8606, 9469, 11254, 14482, 18938, 73151, 123097, 146302, 184367, 246194, 368734, 2396771, 3134239, 4793542, 6268478, 40745107, 81490214

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81490213
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490214 can be divided by 32 positive divisors. The sum of these divisors (counting 81490214) is 1, the average is 0.03125.

Base conversion 81490214

Base System Value
2 Binary 100110110110111000100100110
3 Ternary 12200100010120002
4 Quaternary 10312313010212
5 Quinary 131330141324
6 Senary 12030341302
8 Octal 466670446
10 Decimal 81490214
12 Duodecimal 2335a832
16 Hexadecimal 4db7126
20 Vigesimal 15965ae
36 Base36 1cim92

Cryptographic Hash Functions

md5 0a4743e1c18fe75bb1eea874215f3649
sha1 8b124a0a2da924c0632fb756ef60df9e0416a6ba
sha256 a71bca4d47914fe747b21721df958ada1b3dff2a5a733c9becc2322f62ace6c0
sha512 5def593e7e6ab815dadb6d3a7f617992564d70d3ac937360ad146e566dec3f59ab435d4be76228d3c9f320b3fa29ed36022e24ac7ebb8039fa56a87c672fdec0
ripemd-160 b852741fa8c1da71ec85b2e05d52e6392b62faa0

81490214 as geometric shapes

Circle

Radius = n
Diameter 162980428
Circumference 512018115.28372
Area 2.0862232893174E+16

Sphere

Radius = n
Volume 2.2667570973101E+24
Surface area 8.3448931572694E+16
Circumference 512018115.28372

Square

Length = n
Perimeter 325960856
Area 6640654977765796
Diagonal 115244565.83949

Cube

Length = n
Surface area 39843929866594776
Volume 5.411483952383E+23
Space diagonal 141145190.96766

Equilateral Triangle

Length = n
Perimeter 244470642
Area 2.8754879542564E+15
Altitude 70572595.48383

Triangular Pyramid

Length = n
Surface area 2.8754879542564E+15
Volume 6.3774949983537E+22
Height 38414855.279829