81502068 (number)

81502068 is an even 8-digits composite number following 81502067 and preceding 81502069. In scientific notation, it is written as 8.1502068 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 27125280 positive integers (up to 81502068) that are relatively prime to 81502068.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred two thousand sixty-eight

Notation

Scientific notation 8.1502068 × 10^7
Engineering notation 8.1502068 × 10^6

Prime Factorization of 81502068

Prime Factorization 2 × 2 × 3 × 691 × 9829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40751034
Product of the distinct prime numbers

The prime factorization of 81502068 is 2 × 2 × 3 × 691 × 9829. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 57, 70, 795, 119, 7638, 832, 66813, 57531, 181629, 536348, 7698762, 3823872, 83896424, 50366517, 542373150, 29088966, 2620174977, 190703801

Basic calculations (n = 81502068)

Multiplication

n×y
n×2 163004136
n×3 244506204
n×4 326008272
n×5 407510340

Division

n÷y
n÷2 40751034
n÷3 27167356
n÷3 20375517
n÷5 16300413.6

Exponentiation

ny
n2 6642587088276624
n3 5.4138458456464E+23
n4 4.4123963225339E+31
n5 3.5961942512211E+39

Nth Root

y√n
2√n 9027.8495778341
3√n 433.5669900956
4√n 95.014996594402
5√n 38.214987837299

Divisors of 81502068

1, 2, 3, 4, 6, 12, 691, 1382, 2073, 2764, 4146, 8292, 9829, 19658, 29487, 39316, 58974, 117948, 6791839, 13583678, 20375517, 27167356, 40751034, 81502068

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 -81502067
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 81502068 can be divided by 24 positive divisors. The sum of these divisors (counting 81502068) is 1, the average is 0.041666666666667.

Base conversion 81502068

Base System Value
2 Binary 100110110111001111101110100
3 Ternary 12200100201211010
4 Quaternary 10312321331310
5 Quinary 131331031233
6 Senary 12030512220
8 Octal 466717564
10 Decimal 81502068
12 Duodecimal 23365670
16 Hexadecimal 4db9f74
20 Vigesimal 1597f38
36 Base36 1civec

Cryptographic Hash Functions

md5 0cc77f95bbf376bda837821d940762cb
sha1 6d5fd132afb6dc9e13d7ece54c5b034a6574b3e0
sha256 90b0604ff27bac1ab63ff4712178527b987c3d1da5f3be23585fe99aac82994f
sha512 b0a5b9ef675929a0fde8cf39b554ab5e524d6ce4c3feff653e21d527652845207f6b4cc801b2910eae36e0f09affb36c98f4130a37c1ba5cd8d157f09a5bf45a
ripemd-160 202184ee12d044b16048ee413bf14334f41754ae

81502068 as geometric shapes

Circle

Radius = n
Diameter 163004136
Circumference 512092596.16235
Area 2.086830279736E+16

Sphere

Radius = n
Volume 2.2677464448467E+24
Surface area 8.3473211189441E+16
Circumference 512092596.16235

Square

Length = n
Perimeter 326008272
Area 6642587088276624
Diagonal 115261329.92705

Cube

Length = n
Surface area 39855522529659744
Volume 5.4138458456464E+23
Space diagonal 141165722.69793

Equilateral Triangle

Length = n
Perimeter 244506204
Area 2.876324582649E+15
Altitude 70582861.348967

Triangular Pyramid

Length = n
Surface area 2.876324582649E+15
Volume 6.3802785162587E+22
Height 38420443.309018