161249964 (number)

161249964 is an even 9-digits composite number following 161249963 and preceding 161249965. In scientific notation, it is written as 1.61249964 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 48387328 positive integers (up to 161249964) that are relatively prime to 161249964.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million two hundred forty-nine thousand nine hundred sixty-four

Notation

Scientific notation 1.61249964 × 10^8
Engineering notation 1.61249964 × 10^6

Prime Factorization of 161249964

Prime Factorization 2 × 2 × 51 × 23 × 34367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80624982
Product of the distinct prime numbers

The prime factorization of 161249964 is 2 × 2 × 51 × 23 × 34367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161249964)

Multiplication

n×y
n×2 322499928
n×3 483749892
n×4 644999856
n×5 806249820

Division

n÷y
n÷2 80624982
n÷3 53749988
n÷3 40312491
n÷5 32249992.8

Exponentiation

ny
n2 26001550890001296
n3 4.1927491449569E+24
n4 6.7608064868533E+32
n5 1.0901798026161E+41

Nth Root

y√n
2√n 12698.423681702
3√n 544.29357622089
4√n 112.6872826973
5√n 43.802603579796

Divisors of 161249964

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161249963
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161249964 can be divided by 24 positive divisors. The sum of these divisors (counting 161249964) is 1, the average is 0.041666666666667.

Base conversion 161249964

Base System Value
2 Binary 1001100111000111101010101100
3 Ternary 102020102100100220
4 Quaternary 21213013222230
5 Quinary 312234444324
6 Senary 24000051340
8 Octal 1147075254
10 Decimal 161249964
12 Duodecimal 46003b50
16 Hexadecimal 99c7aac
20 Vigesimal 2a7g4i4
36 Base36 2o059o

Cryptographic Hash Functions

md5 e1a80142fd529b549bb991680f975d4e
sha1 86e232b8a36cbae12c0793dae490d4819c42ea7e
sha256 9344441e2bf906ed9b9c2a106dc0f3901ae4111dd118f3fb3a587e10a065ad21
sha512 84247d4acc63895d101d01f34e5aa2d91a37ffa873cc0ca0064bb0d282d7c09e2ac9b50304ff074165834279b7efe2f9e575c1da06e2ff12bc30e2ebc2b974a8
ripemd-160 26903f0478605bcd9c844af1993aa2ed8b4ba2a3

161249964 as geometric shapes

Circle

Radius = n
Diameter 322499928
Circumference 1013163404.588
Area 8.1686281257969E+16

Sphere

Radius = n
Volume 1.7562546549522E+25
Surface area 3.2674512503188E+17
Circumference 1013163404.588

Square

Length = n
Perimeter 644999856
Area 26001550890001296
Diagonal 228041886.02097

Cube

Length = n
Surface area 156009305340007776
Volume 4.1927491449569E+24
Space diagonal 279293130.36665

Equilateral Triangle

Length = n
Perimeter 483749892
Area 1.1259001804268E+16
Altitude 139646565.18333

Triangular Pyramid

Length = n
Surface area 1.1259001804268E+16
Volume 4.9412022536885E+23
Height 76013962.006991