161252021 (number)

161252021 is an odd 9-digits composite number following 161252020 and preceding 161252022. In scientific notation, it is written as 1.61252021 × 10^8. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 127056384 positive integers (up to 161252021) that are relatively prime to 161252021.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million two hundred fifty-two thousand twenty-one

Notation

Scientific notation 1.61252021 × 10^8
Engineering notation 1.61252021 × 10^6

Prime Factorization of 161252021

Prime Factorization 7 × 43 × 17 × 31513

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161252021
Product of the distinct prime numbers

The prime factorization of 161252021 is 7 × 43 × 17 × 31513. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 88, 22, 597, 514, 4905, 9060, 11679, 76293, 879112, 83361, 9722611, 7706384, 73842156, 18996902, 983525936, 853921192, 2389440024, 7391743153

Basic calculations (n = 161252021)

Multiplication

n×y
n×2 322504042
n×3 483756063
n×4 645008084
n×5 806260105

Division

n÷y
n÷2 80626010.5
n÷3 53750673.666667
n÷3 40313005.25
n÷5 32250404.2

Exponentiation

ny
n2 26002214276584441
n3 4.1929096025743E+24
n4 6.7611514728541E+32
n5 1.0902493392849E+41

Nth Root

y√n
2√n 12698.504675748
3√n 544.29589065474
4√n 112.687642072
5√n 43.802715333614

Divisors of 161252021

1, 7, 17, 43, 119, 301, 731, 5117, 31513, 220591, 535721, 1355059, 3750047, 9485413, 23036003, 161252021

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 -161252020
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 161252021 can be divided by 16 positive divisors. The sum of these divisors (counting 161252021) is 1, the average is 0.0625.

Base conversion 161252021

Base System Value
2 Binary 1001100111001000001010110101
3 Ternary 102020102110012002
4 Quaternary 21213020022311
5 Quinary 312240031041
6 Senary 24000105045
8 Octal 1147101265
10 Decimal 161252021
12 Duodecimal 46005185
16 Hexadecimal 99c82b5
20 Vigesimal 2a7ga11
36 Base36 2o06ut

Cryptographic Hash Functions

md5 5a2c8ba8e4cff2b6d84853d75ffe10f8
sha1 f551b2a58d11f53d70aa42354842aa0b73f556f3
sha256 b1a1e61ac94d8a97740149792d147d86d398991c055f43a99fa2bde51f30a75f
sha512 281406895b7a7c747bec8e58cb420da4d78d31e864999573923a1540b24ceb9837d19e7e8273989f49e07d18339fca532c6e509317f870f156da8bc390627bd7
ripemd-160 9fc0bba9a8d94c2415631d7ce47d5484384f304d

161252021 as geometric shapes

Circle

Radius = n
Diameter 322504042
Circumference 1013176329.1002
Area 8.1688365348385E+16

Sphere

Radius = n
Volume 1.7563218672818E+25
Surface area 3.2675346139354E+17
Circumference 1013176329.1002

Square

Length = n
Perimeter 645008084
Area 26002214276584441
Diagonal 228044795.05827

Cube

Length = n
Surface area 156013285659506646
Volume 4.1929096025743E+24
Space diagonal 279296693.19516

Equilateral Triangle

Length = n
Perimeter 483756063
Area 1.1259289059084E+16
Altitude 139648346.59758

Triangular Pyramid

Length = n
Surface area 1.1259289059084E+16
Volume 4.9413913548041E+23
Height 76014931.68609