168668081 (number)

168668081 is an odd 9-digits composite number following 168668080 and preceding 168668082. In scientific notation, it is written as 1.68668081 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 164876400 positive integers (up to 168668081) that are relatively prime to 168668081.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million six hundred sixty-eight thousand eighty-one

Notation

Scientific notation 1.68668081 × 10^8
Engineering notation 1.68668081 × 10^6

Prime Factorization of 168668081

Prime Factorization 101 × 79 × 21139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 168668081
Product of the distinct prime numbers

The prime factorization of 168668081 is 101 × 79 × 21139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 15, 60, 803, 225, 2964, 2411, 951, 67357, 565986, 524039, 6211711, 6416818, 80783983, 96482755, 198499338, 716944370, 668694961, 1208400027

Basic calculations (n = 168668081)

Multiplication

n×y
n×2 337336162
n×3 506004243
n×4 674672324
n×5 843340405

Division

n÷y
n÷2 84334040.5
n÷3 56222693.666667
n÷3 42167020.25
n÷5 33733616.2

Exponentiation

ny
n2 28448921548222561
n3 4.7984250040582E+24
n4 8.0934113725692E+32
n5 1.3651001649548E+41

Nth Root

y√n
2√n 12987.227610233
3√n 552.51529041854
4√n 113.9615181113
5√n 44.19840333483

Divisors of 168668081

1, 79, 101, 7979, 21139, 1669981, 2135039, 168668081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168668080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168668081 can be divided by 8 positive divisors. The sum of these divisors (counting 168668081) is 1, the average is 0.125.

Base conversion 168668081

Base System Value
2 Binary 1010000011011010101110110001
3 Ternary 102202101020002222
4 Quaternary 22003122232301
5 Quinary 321134334311
6 Senary 24423050425
8 Octal 1203325661
10 Decimal 168668081
12 Duodecimal 485a0a15
16 Hexadecimal a0dabb1
20 Vigesimal 2ce3a41
36 Base36 2sf54h

Cryptographic Hash Functions

md5 324e308c41b16ed66b100a21b320e3e4
sha1 33996a5fe1aa048006c2fbd9a3da5af002f2369a
sha256 96b55c6dcbff5abadf4e77f5ad649147290c16018f8151dab5dfa82f554b380d
sha512 6e7db5e2a5c037fabac56c600d2fb79283a70c2a19d8f1b93f30b525bfd645f4e6872e7823748caf3826eb4262011a18a335dc2e5fbcf83bca9e9df27fbd81db
ripemd-160 b40b1f86d50fa00facc5482ea60e6eef119722c9

168668081 as geometric shapes

Circle

Radius = n
Diameter 337336162
Circumference 1059772808.3294
Area 8.9374922938448E+16

Sphere

Radius = n
Volume 2.0099595655401E+25
Surface area 3.5749969175379E+17
Circumference 1059772808.3294

Square

Length = n
Perimeter 674672324
Area 28448921548222561
Diagonal 238532687.68964

Cube

Length = n
Surface area 170693529289335366
Volume 4.7984250040582E+24
Space diagonal 292141685.90714

Equilateral Triangle

Length = n
Perimeter 506004243
Area 1.2318744385516E+16
Altitude 146070842.95357

Triangular Pyramid

Length = n
Surface area 1.2318744385516E+16
Volume 5.6549980989745E+23
Height 79510895.896548