161640250 (number)

161640250 is an even 9-digits composite number following 161640249 and preceding 161640251. In scientific notation, it is written as 1.61640250 × 10^8. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 59904000 positive integers (up to 161640250) that are relatively prime to 161640250.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred forty thousand two hundred fifty

Notation

Scientific notation 1.61640250 × 10^8
Engineering notation 1.61640250 × 10^6

Prime Factorization of 161640250

Prime Factorization 2 × 25 × 85 × 73 × 521

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161640250
Product of the distinct prime numbers

The prime factorization of 161640250 is 2 × 25 × 85 × 73 × 521. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 14, 43, 813, 959, 7030, 2208, 93446, 36139, 798437, 70125, 2292514, 9042921, 48818905, 85230039, 892641249, 521020840, 2788001767, 3096721687

Basic calculations (n = 161640250)

Multiplication

n×y
n×2 323280500
n×3 484920750
n×4 646561000
n×5 808201250

Division

n÷y
n÷2 80820125
n÷3 53880083.333333
n÷3 40410062.5
n÷5 32328050

Exponentiation

ny
n2 26127570420062500
n3 4.2232670145915E+24
n4 6.8264993605532E+32
n5 1.1034370632647E+41

Nth Root

y√n
2√n 12713.781892104
3√n 544.73235462504
4√n 112.75540737412
5√n 43.82378686001

Divisors of 161640250

1, 2, 25, 50, 73, 85, 146, 170, 521, 1042, 1825, 2125, 3650, 4250, 6205, 12410, 13025, 26050, 38033, 44285, 76066, 88570, 155125, 310250, 950825, 1107125, 1901650, 2214250, 3232805, 6465610, 80820125, 161640250

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161640249
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161640250 can be divided by 32 positive divisors. The sum of these divisors (counting 161640250) is 1, the average is 0.03125.

Base conversion 161640250

Base System Value
2 Binary 1001101000100110111100111010
3 Ternary 102021011011201221
4 Quaternary 21220212330322
5 Quinary 312334442000
6 Senary 24012302254
8 Octal 1150467472
10 Decimal 161640250
12 Duodecimal 4617198a
16 Hexadecimal 9a26f3a
20 Vigesimal 2aa50ca
36 Base36 2o8iey

Cryptographic Hash Functions

md5 2998e45650fc64ef02b76560d24d1831
sha1 1d385b936a4d19101df8f52ac0a4af5920efb488
sha256 c64f67e08617fb1b7313092e3c902b52350ce7389fb28a5910823c73f3f5a99a
sha512 68dccc590816cf32cec090dbe94e38d648da55ec2d82c16fda089224ee9b2036d5ac61d891fc287c265aae17324359facb095c30b3eeba99a34bd7ea70fa8502
ripemd-160 09086b742e0acb09808907c5b2991015f6ddbbfb

161640250 as geometric shapes

Circle

Radius = n
Diameter 323280500
Circumference 1015615643.8488
Area 8.2082183287818E+16

Sphere

Radius = n
Volume 1.7690379502918E+25
Surface area 3.2832873315127E+17
Circumference 1015615643.8488

Square

Length = n
Perimeter 646561000
Area 26127570420062500
Diagonal 228593833.77538

Cube

Length = n
Surface area 156765422520375000
Volume 4.2232670145915E+24
Space diagonal 279969125.54814

Equilateral Triangle

Length = n
Perimeter 484920750
Area 1.131356986147E+16
Altitude 139984562.77407

Triangular Pyramid

Length = n
Surface area 1.131356986147E+16
Volume 4.9771679079652E+23
Height 76197944.591793