168993945 (number)

168993945 is an odd 9-digits composite number following 168993944 and preceding 168993946. In scientific notation, it is written as 1.68993945 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 88418304 positive integers (up to 168993945) that are relatively prime to 168993945.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred ninety-three thousand nine hundred forty-five

Notation

Scientific notation 1.68993945 × 10^8
Engineering notation 1.68993945 × 10^6

Prime Factorization of 168993945

Prime Factorization 45 × 9 × 53 × 7873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 168993945
Product of the distinct prime numbers

The prime factorization of 168993945 is 45 × 9 × 53 × 7873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 21, 78, 705, 128, 4089, 8486, 92395, 22032, 535540, 491654, 6354172, 6924154, 6610548, 25183383, 197642157, 624774620, 606501600, 2414117462

Basic calculations (n = 168993945)

Multiplication

n×y
n×2 337987890
n×3 506981835
n×4 675975780
n×5 844969725

Division

n÷y
n÷2 84496972.5
n÷3 56331315
n÷3 42248486.25
n÷5 33798789

Exponentiation

ny
n2 28558953446663025
n3 4.8262902080229E+24
n4 8.1561382196867E+32
n5 1.3783379737101E+41

Nth Root

y√n
2√n 12999.767113299
3√n 552.87087838341
4√n 114.01652122959
5√n 44.21546827209

Divisors of 168993945

1, 9, 45, 53, 405, 477, 2385, 7873, 21465, 70857, 354285, 417269, 3188565, 3755421, 18777105, 168993945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168993944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168993945 can be divided by 16 positive divisors. The sum of these divisors (counting 168993945) is 1, the average is 0.0625.

Base conversion 168993945

Base System Value
2 Binary 1010000100101010010010011001
3 Ternary 102202222210010000
4 Quaternary 22010222102121
5 Quinary 321230301240
6 Senary 24434043213
8 Octal 1204522231
10 Decimal 168993945
12 Duodecimal 48719509
16 Hexadecimal a12a499
20 Vigesimal 2cg44h5
36 Base36 2sm4k9

Cryptographic Hash Functions

md5 8e80316db0e37d21f8ddeaaa4f0ea72e
sha1 a187541ff80fac043a9931836d371d940e7be9ab
sha256 4ef82f3c3a50ae252b01fc6c074e74493b7b738eca3c11ffd535690287454a84
sha512 385fba9a9398567cfb2defe9e8a3ceea7ee52e02f31c7cd253ccb9ef80c95d2ac3b43a485d6cc16be1fb98fc465829fbf7a9e8e1163464521925520edfb0894b
ripemd-160 f3228438ba0f6e2e0d7bbe3462123a2c461c67e6

168993945 as geometric shapes

Circle

Radius = n
Diameter 337987890
Circumference 1061820272.2263
Area 8.9720598342249E+16

Sphere

Radius = n
Volume 2.0216317148823E+25
Surface area 3.58882393369E+17
Circumference 1061820272.2263

Square

Length = n
Perimeter 675975780
Area 28558953446663025
Diagonal 238993528.97793

Cube

Length = n
Surface area 171353720679978150
Volume 4.8262902080229E+24
Space diagonal 292706098.9115

Equilateral Triangle

Length = n
Perimeter 506981835
Area 1.2366389595154E+16
Altitude 146353049.45575

Triangular Pyramid

Length = n
Surface area 1.2366389595154E+16
Volume 5.6878375567787E+23
Height 79664509.659311