189898991 is an odd 9-digits composite number following 189898990
and preceding 189898992 . In scientific notation, it is written as 1.89898991 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 189822000 positive integers (up to 189898991) that are relatively prime to 189898991.
189898991 has 4 divisors, whose sum is 189975984
The reverse of 189898991 is 199898981
Previous prime number is 2551
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
one hundred eighty-nine million eight hundred ninety-eight thousand nine hundred ninety-one
Scientific notation
1.89898991 × 10^8
Engineering notation
1.89898991 × 10^6
Prime Factorization
2551 × 74441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189898991
Product of the distinct prime numbers
The prime factorization of 189898991 is 2551 × 74441.
Since it has a total of 2 prime factors.
9 , 3 , 70 , 98 , 781 , 452 , 1414 , 2948 , 44470 , 60802 , 13645 , 669678 , 8042003 , 5712554 , 65205050 , 4007697 , 416335523 , 55950418 , 7019707100 , 5980780126
n×2
379797982
n×3
569696973
n×4
759595964
n×5
949494955
n÷2
94949495.5
n÷3
63299663.666667
n÷3
47474747.75
n÷5
37979798.2
n2
36061626782818081
n3
6.8480665398757E+24
n4
1.3004409262233E+33
n5
2.469524197449E+41
2 √n
13780.384283466
3 √n
574.78781433679
4 √n
117.38988152079
5 √n
45.258955967203
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
-189898990
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 189898991 can be divided by 4 positive divisors.
The sum of these divisors (counting 189898991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100011010000011101111
3
Ternary
111020022212102222
4
Quaternary
23110122003233
5
Quinary
342103231431
6
Senary
30502105555
8
Octal
1324320357
10
Decimal
189898991
12
Duodecimal
5371b2bb
16
Hexadecimal
b51a0ef
20
Vigesimal
2j6h79b
36
Base36
3526zz
md5
e8b0eca8599f206304d8373ec4af130e
sha1
48f91c66f6f4c3243b3ac9ed965789643f3194c6
sha256
a6b9876f6bacda0806090b36408ee20622926000d9164db8958307f1333db9d9
sha512
3ad8d7b7a691d8ee1de618a08b0d7ef31e5e321e4a3e3cda95b444c29ce08934e54210dc7bf977d25404ad67087a0c64f9dffa22d2b6a1aab130ba163e84f7c7
ripemd-160
b52b439ca32b8b6d863836719bd93864bf29a886
Diameter
379797982
Circumference
1193170550.0994
Area
1.132909417774E+17
Volume
2.8685114043957E+25
Surface area
4.5316376710959E+17
Circumference
1193170550.0994
Perimeter
759595964
Area
36061626782818081
Diagonal
268557728.55317
Surface area
216369760696908486
Volume
6.8480665398757E+24
Space diagonal
328914700.71806
Perimeter
569696973
Area
1.5615142447857E+16
Altitude
164457350.35903
Surface area
1.5615142447857E+16
Volume
8.070523813938E+23
Height
89519242.851055