168993961 (number)

168993961 is an odd 9-digits composite number following 168993960 and preceding 168993962. In scientific notation, it is written as 1.68993961 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 160099524 positive integers (up to 168993961) that are relatively prime to 168993961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68993961 × 10^8
Engineering notation 1.68993961 × 10^6

Prime Factorization of 168993961

Prime Factorization 19 × 8894419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168993961
Product of the distinct prime numbers

The prime factorization of 168993961 is 19 × 8894419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 82, 76, 208, 641, 3532, 1661, 70129, 23116, 711762, 805770, 8796377, 5582946, 76629145, 28758267, 733227831, 931592966, 9331401981, 4810157855

Basic calculations (n = 168993961)

Multiplication

n×y
n×2 337987922
n×3 506981883
n×4 675975844
n×5 844969805

Division

n÷y
n÷2 84496980.5
n÷3 56331320.333333
n÷3 42248490.25
n÷5 33798792.2

Exponentiation

ny
n2 28558958854469521
n3 4.8262915788528E+24
n4 8.1561413085128E+32
n5 1.3783386262013E+41

Nth Root

y√n
2√n 12999.767728694
3√n 552.87089583163
4√n 114.01652392831
5√n 44.215469109336

Divisors of 168993961

1, 19, 8894419, 168993961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168993960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168993961 can be divided by 4 positive divisors. The sum of these divisors (counting 168993961) is 1, the average is 0.25.

Base conversion 168993961

Base System Value
2 Binary 1010000100101010010010101001
3 Ternary 102202222210010121
4 Quaternary 22010222102221
5 Quinary 321230301321
6 Senary 24434043241
8 Octal 1204522251
10 Decimal 168993961
12 Duodecimal 48719521
16 Hexadecimal a12a4a9
20 Vigesimal 2cg44i1
36 Base36 2sm4kp

Cryptographic Hash Functions

md5 ef56af04b31e4eb5b9ada80332093df2
sha1 acea5ffd6b72e43e68cf952ed111eeaa966e69dc
sha256 9ae4a56b3c774a749a5ed176fe370c1611ee60bb979084b1e779528abff6ac48
sha512 138bd36024dbae093fd72682bc311be830c7ed2572768cb5531427c294d64ec87d93837d4d1f90d2f2f3748862be234377d3a8f5942c3b116dde60e4049ce3c1
ripemd-160 42c1495029557dc7e3e9b000ca0c1c98c6c6a030

168993961 as geometric shapes

Circle

Radius = n
Diameter 337987922
Circumference 1061820372.7573
Area 8.9720615331375E+16

Sphere

Radius = n
Volume 2.0216322890942E+25
Surface area 3.588824613255E+17
Circumference 1061820372.7573

Square

Length = n
Perimeter 675975844
Area 28558958854469521
Diagonal 238993551.60535

Cube

Length = n
Surface area 171353753126817126
Volume 4.8262915788528E+24
Space diagonal 292706126.62431

Equilateral Triangle

Length = n
Perimeter 506981883
Area 1.2366391936803E+16
Altitude 146353063.31216

Triangular Pyramid

Length = n
Surface area 1.2366391936803E+16
Volume 5.6878391723173E+23
Height 79664517.201783