161720493 (number)

161720493 is an odd 9-digits composite number following 161720492 and preceding 161720494. In scientific notation, it is written as 1.61720493 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 96800000 positive integers (up to 161720493) that are relatively prime to 161720493.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty thousand four hundred ninety-three

Notation

Scientific notation 1.61720493 × 10^8
Engineering notation 1.61720493 × 10^6

Prime Factorization of 161720493

Prime Factorization 33 × 121 × 101 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161720493
Product of the distinct prime numbers

The prime factorization of 161720493 is 33 × 121 × 101 × 401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 91, 81, 922, 396, 3956, 9838, 24477, 9288, 360044, 969425, 6565216, 6577244, 83674249, 58184944, 263811512, 216773199, 5032640227, 6332100432

Basic calculations (n = 161720493)

Multiplication

n×y
n×2 323440986
n×3 485161479
n×4 646881972
n×5 808602465

Division

n÷y
n÷2 80860246.5
n÷3 53906831
n÷3 40430123.25
n÷5 32344098.6

Exponentiation

ny
n2 26153517856163049
n3 4.229559801383E+24
n4 6.8400649625264E+32
n5 1.1061786778918E+41

Nth Root

y√n
2√n 12716.937249196
3√n 544.82248012944
4√n 112.76939854941
5√n 43.828137081009

Divisors of 161720493

1, 33, 101, 121, 401, 3333, 3993, 12221, 13233, 40501, 48521, 403293, 1336533, 1601193, 4900621, 161720493

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 -161720492
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 161720493 can be divided by 16 positive divisors. The sum of these divisors (counting 161720493) is 1, the average is 0.0625.

Base conversion 161720493

Base System Value
2 Binary 1001101000111010100010101101
3 Ternary 102021022020210220
4 Quaternary 21220322202231
5 Quinary 312400023433
6 Senary 24014121553
8 Octal 1150724255
10 Decimal 161720493
12 Duodecimal 461b02b9
16 Hexadecimal 9a3a8ad
20 Vigesimal 2aaf14d
36 Base36 2oa8bx

Cryptographic Hash Functions

md5 d4b677e1bc571c4cbb2b5b556e434347
sha1 1f6d990f5b70638f479fb5284964ab226db62242
sha256 9c4ee804f9dbda78368664d26e73b3cd4794b3e63c439079ed5ae4a32114347a
sha512 98ebb56f03fe139d6705e969d1aa8e062b29a26f067d4227b22bb07582a8a3c8654f89656ba84ebc857e532bc083fb5c6dafb93cb552d1fcf140ca7c85b20863
ripemd-160 5ee704609721ad36149f4f575e6dfa9f1134e364

161720493 as geometric shapes

Circle

Radius = n
Diameter 323440986
Circumference 1016119825.4874
Area 8.2163699562451E+16

Sphere

Radius = n
Volume 1.7716738666591E+25
Surface area 3.2865479824981E+17
Circumference 1016119825.4874

Square

Length = n
Perimeter 646881972
Area 26153517856163049
Diagonal 228707314.51426

Cube

Length = n
Surface area 156921107136978294
Volume 4.229559801383E+24
Space diagonal 280108110.50109

Equilateral Triangle

Length = n
Perimeter 485161479
Area 1.1324805430884E+16
Altitude 140054055.25054

Triangular Pyramid

Length = n
Surface area 1.1324805430884E+16
Volume 4.9845840283199E+23
Height 76235771.504754