161749144 (number)

161749144 is an even 9-digits composite number following 161749143 and preceding 161749145. In scientific notation, it is written as 1.61749144 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 78993600 positive integers (up to 161749144) that are relatively prime to 161749144.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred forty-nine thousand one hundred forty-four

Notation

Scientific notation 1.61749144 × 10^8
Engineering notation 1.61749144 × 10^6

Prime Factorization of 161749144

Prime Factorization 2 × 2 × 2 × 43 × 470201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40437286
Product of the distinct prime numbers

The prime factorization of 161749144 is 2 × 2 × 2 × 43 × 470201. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 16, 52, 909, 320, 8250, 1395, 88436, 36646, 201862, 318401, 7888985, 923915, 72182787, 58602623, 861716108, 21052385, 2933873712, 338872535

Basic calculations (n = 161749144)

Multiplication

n×y
n×2 323498288
n×3 485247432
n×4 646996576
n×5 808745720

Division

n÷y
n÷2 80874572
n÷3 53916381.333333
n÷3 40437286
n÷5 32349828.8

Exponentiation

ny
n2 26162785584732736
n3 4.2318081729861E+24
n4 6.844913495527E+32
n5 1.1071588986555E+41

Nth Root

y√n
2√n 12718.0636891
3√n 544.85465248405
4√n 112.77439287844
5√n 43.829689921907

Divisors of 161749144

1, 2, 4, 8, 43, 86, 172, 344, 470201, 940402, 1880804, 3761608, 20218643, 40437286, 80874572, 161749144

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 -161749143
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 161749144 can be divided by 16 positive divisors. The sum of these divisors (counting 161749144) is 1, the average is 0.0625.

Base conversion 161749144

Base System Value
2 Binary 1001101001000001100010011000
3 Ternary 102021100201010001
4 Quaternary 21221001202120
5 Quinary 312401433034
6 Senary 24014502344
8 Octal 1151014230
10 Decimal 161749144
12 Duodecimal 462049b4
16 Hexadecimal 9a41898
20 Vigesimal 2aaich4
36 Base36 2oaufs

Cryptographic Hash Functions

md5 5be9473a0fd6de95ea38c8066fb5a715
sha1 970f8ae71bf391321557510b498e27aaf2943d30
sha256 07f0e6cd5cccee10939aa42b8be864ef7cbe7673484cff63794e2d699320a0a0
sha512 8aa48143f0617e7a3b2ee5400485690d92720d5508c5e34a935598c56ec657b1ec9df0f66c5e043254e0e6a514cef59a85bfe1c13921435724b0c186fab1ec28
ripemd-160 82e7818158a7ba6508aaaf9aeb956fa2a0229d83

161749144 as geometric shapes

Circle

Radius = n
Diameter 323498288
Circumference 1016299845.0297
Area 8.2192814990441E+16

Sphere

Radius = n
Volume 1.7726156623539E+25
Surface area 3.2877125996177E+17
Circumference 1016299845.0297

Square

Length = n
Perimeter 646996576
Area 26162785584732736
Diagonal 228747833.14704

Cube

Length = n
Surface area 156976713508396416
Volume 4.2318081729861E+24
Space diagonal 280157735.48877

Equilateral Triangle

Length = n
Perimeter 485247432
Area 1.1328818475072E+16
Altitude 140078867.74439

Triangular Pyramid

Length = n
Surface area 1.1328818475072E+16
Volume 4.9872337596652E+23
Height 76249277.71568