161798538 (number)

161798538 is an even 9-digits composite number following 161798537 and preceding 161798539. In scientific notation, it is written as 1.61798538 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 49029640 positive integers (up to 161798538) that are relatively prime to 161798538.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred ninety-eight thousand five hundred thirty-eight

Notation

Scientific notation 1.61798538 × 10^8
Engineering notation 1.61798538 × 10^6

Prime Factorization of 161798538

Prime Factorization 2 × 33 × 11 × 222863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161798538
Product of the distinct prime numbers

The prime factorization of 161798538 is 2 × 33 × 11 × 222863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 32, 59, 181, 953, 8209, 3870, 87563, 91839, 438044, 631384, 8612411, 3621844, 48917181, 1624701, 444252995, 457355684, 334954449, 6769753759

Basic calculations (n = 161798538)

Multiplication

n×y
n×2 323597076
n×3 485395614
n×4 647194152
n×5 808992690

Division

n÷y
n÷2 80899269
n÷3 53932846
n÷3 40449634.5
n÷5 32359707.6

Exponentiation

ny
n2 26178766898937444
n3 4.2356862108909E+24
n4 6.853278363489E+32
n5 1.1088504197196E+41

Nth Root

y√n
2√n 12720.005424527
3√n 544.91010834003
4√n 112.78300148749
5√n 43.832366485447

Divisors of 161798538

1, 2, 11, 22, 33, 66, 363, 726, 222863, 445726, 2451493, 4902986, 7354479, 14708958, 80899269, 161798538

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 -161798537
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 161798538 can be divided by 16 positive divisors. The sum of these divisors (counting 161798538) is 1, the average is 0.0625.

Base conversion 161798538

Base System Value
2 Binary 1001101001001101100110001010
3 Ternary 102021110012212110
4 Quaternary 21221031212022
5 Quinary 312410023123
6 Senary 24015523150
8 Octal 1151154612
10 Decimal 161798538
12 Duodecimal 462294b6
16 Hexadecimal 9a4d98a
20 Vigesimal 2ab4g6i
36 Base36 2obwju

Cryptographic Hash Functions

md5 d9d55f394078ebebff1b2e3790403694
sha1 dbef8ee8abcd21a3acb48e32e294b7104db41dcd
sha256 d2528ab7f1e3499ce02a3416c35e796fb01c5896b3878f1fba663f2e30c80263
sha512 a2941a008781b283520e49eefc0eae5036185b0a5f3cb7f4b8c3a444e307ee5fdd765f733ed7249602efbe69db74ac39c392e6820567baa637df0b654b5304bd
ripemd-160 338d3aa6f2d93c065a8a60a8508d7d7e754a149c

161798538 as geometric shapes

Circle

Radius = n
Diameter 323597076
Circumference 1016610196.6847
Area 8.2243021769742E+16

Sphere

Radius = n
Volume 1.7742400910728E+25
Surface area 3.2897208707897E+17
Circumference 1016610196.6847

Square

Length = n
Perimeter 647194152
Area 26178766898937444
Diagonal 228817686.81174

Cube

Length = n
Surface area 157072601393624664
Volume 4.2356862108909E+24
Space diagonal 280243288.40636

Equilateral Triangle

Length = n
Perimeter 485395614
Area 1.1335738587115E+16
Altitude 140121644.20318

Triangular Pyramid

Length = n
Surface area 1.1335738587115E+16
Volume 4.9918040711655E+23
Height 76272562.27058