161066421 (number)

161066421 is an odd 9-digits composite number following 161066420 and preceding 161066422. In scientific notation, it is written as 1.61066421 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 103284720 positive integers (up to 161066421) that are relatively prime to 161066421.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million sixty-six thousand four hundred twenty-one

Notation

Scientific notation 1.61066421 × 10^8
Engineering notation 1.61066421 × 10^6

Prime Factorization of 161066421

Prime Factorization 27 × 31 × 199 × 967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161066421
Product of the distinct prime numbers

The prime factorization of 161066421 is 27 × 31 × 199 × 967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161066421)

Multiplication

n×y
n×2 322132842
n×3 483199263
n×4 644265684
n×5 805332105

Division

n÷y
n÷2 80533210.5
n÷3 53688807
n÷3 40266605.25
n÷5 32213284.2

Exponentiation

ny
n2 25942391973749241
n3 4.1784482273909E+24
n4 6.7300770131965E+32
n5 1.0839894175699E+41

Nth Root

y√n
2√n 12691.194624621
3√n 544.08698350479
4√n 112.65520238596
5√n 43.792627361466

Divisors of 161066421

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 -161066420
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 161066421 can be divided by 16 positive divisors. The sum of these divisors (counting 161066421) is 1, the average is 0.0625.

Base conversion 161066421

Base System Value
2 Binary 1001100110011010110110110101
3 Ternary 102020002000121000
4 Quaternary 21212122312311
5 Quinary 312213111141
6 Senary 23552113513
8 Octal 1146326665
10 Decimal 161066421
12 Duodecimal 45b35899
16 Hexadecimal 999adb5
20 Vigesimal 2a6d611
36 Base36 2nw7n9

Cryptographic Hash Functions

md5 4f18003cee8cab7f6460a1e920c89680
sha1 c3bee87d5e5abbd4d7adb862b56d7b99d3f84420
sha256 ed5d195432abb6783c399c4e7955a8f971f25ff2b8416c9ddb561f5276809970
sha512 2e2d46c03c87c3c822af02abe1ce60b61690a2b4f262aa97c0a34d77eb84ba7cddf72a68f99ef23833f9ad94e89464e8ee471433354e3fde6fc5b08a3f86d6d0
ripemd-160 8a9e17f976fb5fb11d288ac64ebaa5c649dea70c

161066421 as geometric shapes

Circle

Radius = n
Diameter 322132842
Circumference 1012010169.9072
Area 8.1500428041277E+16

Sphere

Radius = n
Volume 1.7502643006102E+25
Surface area 3.2600171216511E+17
Circumference 1012010169.9072

Square

Length = n
Perimeter 644265684
Area 25942391973749241
Diagonal 227782317.02109

Cube

Length = n
Surface area 155654351842495446
Volume 4.1784482273909E+24
Space diagonal 278975224.56528

Equilateral Triangle

Length = n
Perimeter 483199263
Area 1.12333852421E+16
Altitude 139487612.28264

Triangular Pyramid

Length = n
Surface area 1.12333852421E+16
Volume 4.9243484607084E+23
Height 75927439.007032