189905621 (number)

189905621 is an odd 9-digits composite number following 189905620 and preceding 189905622. In scientific notation, it is written as 1.89905621 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 189873132 positive integers (up to 189905621) that are relatively prime to 189905621.

Interesting facts

Basic properties

Name

Name one hundred eighty-nine million nine hundred five thousand six hundred twenty-one

Notation

Scientific notation 1.89905621 × 10^8
Engineering notation 1.89905621 × 10^6

Prime Factorization of 189905621

Prime Factorization 7643 × 24847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 189905621
Product of the distinct prime numbers

The prime factorization of 189905621 is 7643 × 24847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 189905621)

Multiplication

n×y
n×2 379811242
n×3 569716863
n×4 759622484
n×5 949528105

Division

n÷y
n÷2 94952810.5
n÷3 63301873.666667
n÷3 47476405.25
n÷5 37981124.2

Exponentiation

ny
n2 36064144887395641
n3 6.8487838306748E+24
n4 1.3006225464591E+33
n5 2.4699553237191E+41

Nth Root

y√n
2√n 13780.624840696
3√n 574.79450350496
4√n 117.39090612435
5√n 45.25927199067

Divisors of 189905621

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -189905620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 189905621 can be divided by 4 positive divisors. The sum of these divisors (counting 189905621) is 1, the average is 0.25.

Base conversion 189905621

Base System Value
2 Binary 1011010100011011101011010101
3 Ternary 111020100012112112
4 Quaternary 23110123223111
5 Quinary 342103434441
6 Senary 30502200405
8 Octal 1324335325
10 Decimal 189905621
12 Duodecimal 53723105
16 Hexadecimal b51bad5
20 Vigesimal 2j6i411
36 Base36 352c45

Cryptographic Hash Functions

md5 232e3bc4feac2d42f9730b43baa3cbf9
sha1 55b79262327a8cedbd31611e36e3b139e7ac8f95
sha256 385f7914a3b17528ce26886d89b741b07fb24d02fdb31143d9f5d85e76bce835
sha512 b5c84eb4b11d159287c3b3e1cabb0a8cdd488b29c3d8e0b623a1810d1515fab39548456a2546e54427be6c84f0d762ba396d16a18b956b84bfb4a7e4ea9e282a
ripemd-160 e55def4e4d79ce82252a19e8640a1d6829138cba

189905621 as geometric shapes

Circle

Radius = n
Diameter 379811242
Circumference 1193212207.618
Area 1.1329885263624E+17

Sphere

Radius = n
Volume 2.868811862463E+25
Surface area 4.5319541054496E+17
Circumference 1193212207.618

Square

Length = n
Perimeter 759622484
Area 36064144887395641
Diagonal 268567104.78908

Cube

Length = n
Surface area 216384869324373846
Volume 6.8487838306748E+24
Space diagonal 328926184.21492

Equilateral Triangle

Length = n
Perimeter 569716863
Area 1.5616232819124E+16
Altitude 164463092.10746

Triangular Pyramid

Length = n
Surface area 1.5616232819124E+16
Volume 8.0713691492516E+23
Height 89522368.263028