161864405 (number)

161864405 is an odd 9-digits composite number following 161864404 and preceding 161864406. In scientific notation, it is written as 1.61864405 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 129304000 positive integers (up to 161864405) that are relatively prime to 161864405.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61864405 × 10^8
Engineering notation 1.61864405 × 10^6

Prime Factorization of 161864405

Prime Factorization 5 × 701 × 46181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161864405
Product of the distinct prime numbers

The prime factorization of 161864405 is 5 × 701 × 46181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161864405)

Multiplication

n×y
n×2 323728810
n×3 485593215
n×4 647457620
n×5 809322025

Division

n÷y
n÷2 80932202.5
n÷3 53954801.666667
n÷3 40466101.25
n÷5 32372881

Exponentiation

ny
n2 26200085606004025
n3 4.2408612675649E+24
n4 6.8644448576194E+32
n5 1.1111092825339E+41

Nth Root

y√n
2√n 12722.59427161
3√n 544.98404128003
4√n 112.79447801914
5√n 43.835934671546

Divisors of 161864405

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 -161864404
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 161864405 can be divided by 8 positive divisors. The sum of these divisors (counting 161864405) is 1, the average is 0.125.

Base conversion 161864405

Base System Value
2 Binary 1001101001011101101011010101
3 Ternary 102021120120012222
4 Quaternary 21221131223111
5 Quinary 312414130110
6 Senary 24021152125
8 Octal 1151355325
10 Decimal 161864405
12 Duodecimal 4625b645
16 Hexadecimal 9a5dad5
20 Vigesimal 2abd105
36 Base36 2odbdh

Cryptographic Hash Functions

md5 65991f37e74d93141cdc4e806a8b83ef
sha1 e8240f3c1051ba55f19dce1eeb9ad0080e1c2daf
sha256 9e4da82ca9891cfd0431364923b9b9884f826454963074a9b7d2c55095094265
sha512 28224e3ceafeee9d3ea9b994b0e1255af7f79bd62654ed04543c90620e2062c73f7f0391fef8b3c5cf7a62e4f6211ab1ccd02e536946510eeded6da661594cba
ripemd-160 02fcd827ec7e2c361fb43bf16704fbb640143ebd

161864405 as geometric shapes

Circle

Radius = n
Diameter 323728810
Circumference 1017024051.2514
Area 8.2309996463246E+16

Sphere

Radius = n
Volume 1.7764078137434E+25
Surface area 3.2923998585298E+17
Circumference 1017024051.2514

Square

Length = n
Perimeter 647457620
Area 26200085606004025
Diagonal 228910836.81645

Cube

Length = n
Surface area 157200513636024150
Volume 4.2408612675649E+24
Space diagonal 280357373.39691

Equilateral Triangle

Length = n
Perimeter 485593215
Area 1.1344969858063E+16
Altitude 140178686.69845

Triangular Pyramid

Length = n
Surface area 1.1344969858063E+16
Volume 4.9979029339442E+23
Height 76303612.27215