168991668 (number)

168991668 is an even 9-digits composite number following 168991667 and preceding 168991669. In scientific notation, it is written as 1.68991668 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 54956160 positive integers (up to 168991668) that are relatively prime to 168991668.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred ninety-one thousand six hundred sixty-eight

Notation

Scientific notation 1.68991668 × 10^8
Engineering notation 1.68991668 × 10^6

Prime Factorization of 168991668

Prime Factorization 2 × 2 × 9 × 41 × 114493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 84495834
Product of the distinct prime numbers

The prime factorization of 168991668 is 2 × 2 × 9 × 41 × 114493. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 63, 47, 333, 100, 5361, 1367, 265, 83026, 465905, 339287, 2816273, 3859564, 28386074, 75079746, 733162922, 513190088, 4534145904, 7823994738

Basic calculations (n = 168991668)

Multiplication

n×y
n×2 337983336
n×3 506975004
n×4 675966672
n×5 844958340

Division

n÷y
n÷2 84495834
n÷3 56330556
n÷3 42247917
n÷5 33798333.6

Exponentiation

ny
n2 28558183853422224
n3 4.8260951244405E+24
n4 8.1556986500587E+32
n5 1.3782451185788E+41

Nth Root

y√n
2√n 12999.679534512
3√n 552.86839527147
4√n 114.01613716712
5√n 44.215349120881

Divisors of 168991668

1, 2, 4, 9, 18, 36, 41, 82, 164, 369, 738, 1476, 114493, 228986, 457972, 1030437, 2060874, 4121748, 4694213, 9388426, 18776852, 42247917, 84495834, 168991668

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 -168991667
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 168991668 can be divided by 24 positive divisors. The sum of these divisors (counting 168991668) is 1, the average is 0.041666666666667.

Base conversion 168991668

Base System Value
2 Binary 1010000100101001101110110100
3 Ternary 102202222122222200
4 Quaternary 22010221232310
5 Quinary 321230213133
6 Senary 24434024500
8 Octal 1204515664
10 Decimal 168991668
12 Duodecimal 48718130
16 Hexadecimal a129bb4
20 Vigesimal 2cg3j38
36 Base36 2sm2t0

Cryptographic Hash Functions

md5 62417beed623f83eb619eaec03caf5ab
sha1 946a8915fe614087c891843a444e42524a8cd545
sha256 a0246912c36c659f34af0fd8e9fed80b8211d4bb556d67388df3aac2155ec82e
sha512 16ca42f12bc10703790977ec3d8189c185559522cab296ab4b131ff863f43191b05325eb7918b8e4cc4402d7347277af4a5056eac4ce63fe2ea6efed68e71e3b
ripemd-160 cf0984d34cbcdb9acb5e65dc8b2840d4043a1c5a

168991668 as geometric shapes

Circle

Radius = n
Diameter 337983336
Circumference 1061805965.4134
Area 8.9718180593778E+16

Sphere

Radius = n
Volume 2.0215499984624E+25
Surface area 3.5887272237511E+17
Circumference 1061805965.4134

Square

Length = n
Perimeter 675966672
Area 28558183853422224
Diagonal 238990308.81365

Cube

Length = n
Surface area 171349103120533344
Volume 4.8260951244405E+24
Space diagonal 292702155.03181

Equilateral Triangle

Length = n
Perimeter 506975004
Area 1.2366056351505E+16
Altitude 146351077.51591

Triangular Pyramid

Length = n
Surface area 1.2366056351505E+16
Volume 5.687607648572E+23
Height 79663436.271217