161722990 (number)

161722990 is an even 9-digits composite number following 161722989 and preceding 161722991. In scientific notation, it is written as 1.61722990 × 10^8. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 54284160 positive integers (up to 161722990) that are relatively prime to 161722990.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty-two thousand nine hundred ninety

Notation

Scientific notation 1.61722990 × 10^8
Engineering notation 1.61722990 × 10^6

Prime Factorization of 161722990

Prime Factorization 2 × 65 × 11 × 113093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161722990
Product of the distinct prime numbers

The prime factorization of 161722990 is 2 × 65 × 11 × 113093. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 21, 27, 124, 23, 7040, 9587, 90179, 40459, 51238, 459115, 1430102, 6019131, 75147690, 42848251, 893407646, 902459876, 9530714831, 2615783797

Basic calculations (n = 161722990)

Multiplication

n×y
n×2 323445980
n×3 485168970
n×4 646891960
n×5 808614950

Division

n÷y
n÷2 80861495
n÷3 53907663.333333
n÷3 40430747.5
n÷5 32344598

Exponentiation

ny
n2 26154325494540100
n3 4.2297557204103E+24
n4 6.8404874207435E+32
n5 1.10626407874E+41

Nth Root

y√n
2√n 12717.035424972
3√n 544.82528417467
4√n 112.76983384298
5√n 43.828272423389

Divisors of 161722990

1, 2, 11, 22, 65, 130, 715, 1430, 113093, 226186, 1244023, 2488046, 7351045, 14702090, 80861495, 161722990

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 -161722989
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 161722990 can be divided by 16 positive divisors. The sum of these divisors (counting 161722990) is 1, the average is 0.0625.

Base conversion 161722990

Base System Value
2 Binary 1001101000111011001001101110
3 Ternary 102021022101020101
4 Quaternary 21220323021232
5 Quinary 312400113430
6 Senary 24014141314
8 Octal 1150731156
10 Decimal 161722990
12 Duodecimal 461b183a
16 Hexadecimal 9a3b26e
20 Vigesimal 2aaf79a
36 Base36 2oaa9a

Cryptographic Hash Functions

md5 3d03e2bcc56fd8e40e28fec574ad7648
sha1 79207a21fbd44b5af8a9cf4519ef1a293b3f5b3d
sha256 609f198a0a168709f1f07abd77ec9e8c99234b50021d881db9ca91e8d1887d62
sha512 de4120af758b4bea1d199b469fa121a0038c1731c8fb3afd1072a8f0a7598aea4f15f663b5f110fa7384309afb6cbdb8601f85eb5969a169913bcccea5129f57
ripemd-160 c7b593faa75da8ed7fbb5a34941847a7b6e9818b

161722990 as geometric shapes

Circle

Radius = n
Diameter 323445980
Circumference 1016135514.6012
Area 8.2166236833243E+16

Sphere

Radius = n
Volume 1.7717559330294E+25
Surface area 3.2866494733297E+17
Circumference 1016135514.6012

Square

Length = n
Perimeter 646891960
Area 26154325494540100
Diagonal 228710845.80553

Cube

Length = n
Surface area 156925952967240600
Volume 4.2297557204103E+24
Space diagonal 280112435.43195

Equilateral Triangle

Length = n
Perimeter 485168970
Area 1.1325155148559E+16
Altitude 140056217.71598

Triangular Pyramid

Length = n
Surface area 1.1325155148559E+16
Volume 4.9848149211078E+23
Height 76236948.601843