161431405 (number)

161431405 is an odd 9-digits composite number following 161431404 and preceding 161431406. In scientific notation, it is written as 1.61431405 × 10^8. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 121548288 positive integers (up to 161431405) that are relatively prime to 161431405.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million four hundred thirty-one thousand four hundred five

Notation

Scientific notation 1.61431405 × 10^8
Engineering notation 1.61431405 × 10^6

Prime Factorization of 161431405

Prime Factorization 5 × 17 × 1899193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161431405
Product of the distinct prime numbers

The prime factorization of 161431405 is 5 × 17 × 1899193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 19, 94, 923, 1000, 3459, 7778, 63054, 23049, 299361, 599474, 9258165, 2657405, 82551103, 22369514, 89161612, 89456426, 6040098073, 4612294432

Basic calculations (n = 161431405)

Multiplication

n×y
n×2 322862810
n×3 484294215
n×4 645725620
n×5 807157025

Division

n÷y
n÷2 80715702.5
n÷3 53810468.333333
n÷3 40357851.25
n÷5 32286281

Exponentiation

ny
n2 26060098520274025
n3 4.2069183185663E+24
n4 6.7912873488639E+32
n5 1.0963270584858E+41

Nth Root

y√n
2√n 12705.565906326
3√n 544.49764893386
4√n 112.71896870681
5√n 43.812456622006

Divisors of 161431405

1, 5, 17, 85, 1899193, 9495965, 32286281, 161431405

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 -161431404
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 161431405 can be divided by 8 positive divisors. The sum of these divisors (counting 161431405) is 1, the average is 0.125.

Base conversion 161431405

Base System Value
2 Binary 1001100111110011111101101101
3 Ternary 102020202120020221
4 Quaternary 21213303331231
5 Quinary 312311301110
6 Senary 24004011341
8 Octal 1147637555
10 Decimal 161431405
12 Duodecimal 46090b51
16 Hexadecimal 99f3f6d
20 Vigesimal 2a8iia5
36 Base36 2o419p

Cryptographic Hash Functions

md5 03a5882e491591d66800815618cb8b81
sha1 c1a68d6a8f10fb7ebc46874152d9c36109fe6852
sha256 51ea1be3fbf708f27807393707a25d67a70a62389c69373104249f8248fc66b7
sha512 71c03593a59c37c4f8bf77ce5f88e6364699543eb2f83625dcedeb7097b1ac7cf9bb9b82ae7438dfdb5235759035905b527cbe2d16b73ad5a3b6db502cc9e043
ripemd-160 c21f559396bfcf6a372f31993357e8ae96dff69c

161431405 as geometric shapes

Circle

Radius = n
Diameter 322862810
Circumference 1014303432.0134
Area 8.1870214063119E+16

Sphere

Radius = n
Volume 1.7621898245147E+25
Surface area 3.2748085625248E+17
Circumference 1014303432.0134

Square

Length = n
Perimeter 645725620
Area 26060098520274025
Diagonal 228298482.34394

Cube

Length = n
Surface area 156360591121644150
Volume 4.2069183185663E+24
Space diagonal 279607395.39723

Equilateral Triangle

Length = n
Perimeter 484294215
Area 1.1284353671841E+16
Altitude 139803697.69861

Triangular Pyramid

Length = n
Surface area 1.1284353671841E+16
Volume 4.9579007849268E+23
Height 76099494.114648