81640112 (number)

81640112 is an even 8-digits composite number following 81640111 and preceding 81640113. In scientific notation, it is written as 8.1640112 × 10^7. The sum of its digits is 23. It has a total of 7 prime factors and 40 positive divisors. There are 37419840 positive integers (up to 81640112) that are relatively prime to 81640112.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand one hundred twelve

Notation

Scientific notation 8.1640112 × 10^7
Engineering notation 8.1640112 × 10^6

Prime Factorization of 81640112

Prime Factorization 2 × 2 × 2 × 2 × 31 × 19 × 8663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10205014
Product of the distinct prime numbers

The prime factorization of 81640112 is 2 × 2 × 2 × 2 × 31 × 19 × 8663. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 4, 56, 24, 482, 20, 4182, 1997, 58278, 58099, 618511, 517998, 9765207, 6673082, 39526161, 83400245, 634113573, 288539267, 9000402804, 3430297851

Basic calculations (n = 81640112)

Multiplication

n×y
n×2 163280224
n×3 244920336
n×4 326560448
n×5 408200560

Division

n÷y
n÷2 40820056
n÷3 27213370.666667
n÷3 20410028
n÷5 16328022.4

Exponentiation

ny
n2 6665107887372544
n3 5.4414015441718E+23
n4 4.4423663150316E+31
n5 3.626752835042E+39

Nth Root

y√n
2√n 9035.4917962444
3√n 433.81163649449
4√n 95.055203940891
5√n 38.227924390916

Divisors of 81640112

1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 8663, 9424, 17326, 34652, 69304, 138608, 164597, 268553, 329194, 537106, 658388, 1074212, 1316776, 2148424, 2633552, 4296848, 5102507, 10205014, 20410028, 40820056, 81640112

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81640111
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81640112 can be divided by 40 positive divisors. The sum of these divisors (counting 81640112) is 1, the average is 0.025.

Base conversion 81640112

Base System Value
2 Binary 100110111011011101010110000
3 Ternary 12200121202011212
4 Quaternary 10313123222300
5 Quinary 131344440422
6 Senary 12033455252
8 Octal 467335260
10 Decimal 81640112
12 Duodecimal 23411528
16 Hexadecimal 4ddbab0
20 Vigesimal 15a505c
36 Base36 1cltww

Cryptographic Hash Functions

md5 8fa4f50abd2f53695941795bffaa417e
sha1 18a8b47527bb76393330f078232e20554e40a74b
sha256 c949bb5f99d7cbfd974b1b0d6000881f82e82f54fb44e00a51d529865f1eb874
sha512 565e4f306064bf78c650e94be9ad7d169e20b590ad7a21e8592f22594d4d17631b1a5dba9c4c5e38fa8dbb6f558f3ae6497dbe1105e9865f07b94359e49a3edf
ripemd-160 0566581e432d7a05e640108297f98dbf30999448

81640112 as geometric shapes

Circle

Radius = n
Diameter 163280224
Circumference 512959952.1949
Area 2.0939053974353E+16

Sphere

Radius = n
Volume 2.2792889488536E+24
Surface area 8.3756215897412E+16
Circumference 512959952.1949

Square

Length = n
Perimeter 326560448
Area 6665107887372544
Diagonal 115456553.62406

Cube

Length = n
Surface area 39990647324235264
Volume 5.4414015441718E+23
Space diagonal 141404821.91961

Equilateral Triangle

Length = n
Perimeter 244920336
Area 2.8860763747143E+15
Altitude 70702410.959807

Triangular Pyramid

Length = n
Surface area 2.8860763747143E+15
Volume 6.4127532184047E+22
Height 38485517.874686