161644900 (number)

161644900 is an even 9-digits composite number following 161644899 and preceding 161644901. In scientific notation, it is written as 1.61644900 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 64049440 positive integers (up to 161644900) that are relatively prime to 161644900.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61644900 × 10^8
Engineering notation 1.61644900 × 10^6

Prime Factorization of 161644900

Prime Factorization 2 × 2 × 25 × 107 × 15107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80822450
Product of the distinct prime numbers

The prime factorization of 161644900 is 2 × 2 × 25 × 107 × 15107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 24, 95, 368, 407, 4803, 8326, 56280, 1671, 937360, 320958, 4664544, 3143759, 36577370, 25175798, 976805230, 169228184, 2054232243, 4402485396

Basic calculations (n = 161644900)

Multiplication

n×y
n×2 323289800
n×3 484934700
n×4 646579600
n×5 808224500

Division

n÷y
n÷2 80822450
n÷3 53881633.333333
n÷3 40411225
n÷5 32328980

Exponentiation

ny
n2 26129073696010000
n3 4.2236315046842E+24
n4 6.8272849221152E+32
n5 1.1035957885068E+41

Nth Root

y√n
2√n 12713.964763204
3√n 544.73757812013
4√n 112.75621829063
5√n 43.824038998032

Divisors of 161644900

1, 2, 4, 25, 50, 100, 107, 214, 428, 2675, 5350, 10700, 15107, 30214, 60428, 377675, 755350, 1510700, 1616449, 3232898, 6465796, 40411225, 80822450, 161644900

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 -161644899
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 161644900 can be divided by 24 positive divisors. The sum of these divisors (counting 161644900) is 1, the average is 0.041666666666667.

Base conversion 161644900

Base System Value
2 Binary 1001101000101000000101100100
3 Ternary 102021011102010011
4 Quaternary 21220220011210
5 Quinary 312340114100
6 Senary 24012340004
8 Octal 1150500544
10 Decimal 161644900
12 Duodecimal 46174604
16 Hexadecimal 9a28164
20 Vigesimal 2aa5c50
36 Base36 2o8m04

Cryptographic Hash Functions

md5 4e545ea9ab97eef9ef8dff7b45298800
sha1 4939e65cffca4ddfaeff222542b28df69f6d5f07
sha256 e708c67726835653589236d382ff6e6ee774bcda32d5b7003339303d602a3527
sha512 accf35381cd85071508f36f65dc5b2e8466f5eec5a9e9d96dea3fa06e8fbcfb2cf935b27f311a4a64c2760e88fc0cc9dd73119ab1fa79cc0fe86d5cb20f6b2c6
ripemd-160 54be1910f38b8ab370c5f91c4ab173d3693e4b0a

161644900 as geometric shapes

Circle

Radius = n
Diameter 323289800
Circumference 1015644860.6605
Area 8.2086905968491E+16

Sphere

Radius = n
Volume 1.7691906275448E+25
Surface area 3.2834762387397E+17
Circumference 1015644860.6605

Square

Length = n
Perimeter 646579600
Area 26129073696010000
Diagonal 228600409.86844

Cube

Length = n
Surface area 156774442176060000
Volume 4.2236315046842E+24
Space diagonal 279977179.58439

Equilateral Triangle

Length = n
Perimeter 484934700
Area 1.131422079905E+16
Altitude 139988589.7922

Triangular Pyramid

Length = n
Surface area 1.131422079905E+16
Volume 4.9775974636589E+23
Height 76200136.622814