161662790 (number)

161662790 is an even 9-digits composite number following 161662789 and preceding 161662791. In scientific notation, it is written as 1.61662790 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 64665112 positive integers (up to 161662790) that are relatively prime to 161662790.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred sixty-two thousand seven hundred ninety

Notation

Scientific notation 1.61662790 × 10^8
Engineering notation 1.61662790 × 10^6

Prime Factorization of 161662790

Prime Factorization 2 × 5 × 16166279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161662790
Product of the distinct prime numbers

The prime factorization of 161662790 is 2 × 5 × 16166279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161662790)

Multiplication

n×y
n×2 323325580
n×3 484988370
n×4 646651160
n×5 808313950

Division

n÷y
n÷2 80831395
n÷3 53887596.666667
n÷3 40415697.5
n÷5 32332558

Exponentiation

ny
n2 26134857670584100
n3 4.2250340072795E+24
n4 6.8303078546169E+32
n5 1.1042066243363E+41

Nth Root

y√n
2√n 12714.668300825
3√n 544.75767360056
4√n 112.75933797617
5√n 43.825008997521

Divisors of 161662790

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161662789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161662790 can be divided by 8 positive divisors. The sum of these divisors (counting 161662790) is 1, the average is 0.125.

Base conversion 161662790

Base System Value
2 Binary 1001101000101100011101000110
3 Ternary 102021012022122202
4 Quaternary 21220230131012
5 Quinary 312341202130
6 Senary 24012554502
8 Octal 1150543506
10 Decimal 161662790
12 Duodecimal 46182a32
16 Hexadecimal 9a2c746
20 Vigesimal 2aa7gja
36 Base36 2o8zt2

Cryptographic Hash Functions

md5 3d9ec823514772849febfe16ad42705c
sha1 7c37cb91e70187ff04e1705f06e3ccd35c97db80
sha256 0d77fa3e29f5b98e3a8594ce1fcae41925563459dc20a85228165bc4b5db93f0
sha512 bee287fb3901dc09ffe46a749014471d1a2533c245ceb488c0e1bc6d34fec19612a3a5bf757d00315f0a241b8c69f8a348f8aa61e3d7984f9d9c21df5695cc28
ripemd-160 ed695402acfd8a7cd2ae72dad6341f9e86c66e39

161662790 as geometric shapes

Circle

Radius = n
Diameter 323325580
Circumference 1015757266.8457
Area 8.2105076860522E+16

Sphere

Radius = n
Volume 1.7697781064582E+25
Surface area 3.2842030744209E+17
Circumference 1015757266.8457

Square

Length = n
Perimeter 646651160
Area 26134857670584100
Diagonal 228625710.14907

Cube

Length = n
Surface area 156809146023504600
Volume 4.2250340072795E+24
Space diagonal 280008165.97334

Equilateral Triangle

Length = n
Perimeter 484988370
Area 1.1316725333508E+16
Altitude 140004082.98667

Triangular Pyramid

Length = n
Surface area 1.1316725333508E+16
Volume 4.9792503288185E+23
Height 76208570.049691