189898989 is an odd 9-digits composite number following 189898988
and preceding 189898990 . In scientific notation, it is written as 1.89898989 × 10^8.
The sum of its digits is 69. It has a total of 4 prime factors and 16 positive divisors.
There are 104771520 positive integers (up to 189898989) that are relatively prime to 189898989.
189898989 has 16 divisors, whose sum is 299349120
The reverse of 189898989 is 989898981
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 69
Digital Root 6
Name
one hundred eighty-nine million eight hundred ninety-eight thousand nine hundred eighty-nine
Scientific notation
1.89898989 × 10^8
Engineering notation
1.89898989 × 10^6
Prime Factorization
3 × 7 × 29 × 311821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
189898989
Product of the distinct prime numbers
The prime factorization of 189898989 is 3 × 7 × 29 × 311821.
Since it has a total of 4 prime factors.
10 , 5 , 84 , 69 , 865 , 960 , 1291 , 7753 , 49487 , 58184 , 776909 , 265170 , 2656738 , 6831669 , 41617795 , 25783805 , 985882204 , 76124433 , 813667283 , 4934962395
n×2
379797978
n×3
569696967
n×4
759595956
n×5
949494945
n÷2
94949494.5
n÷3
63299663
n÷3
47474747.25
n÷5
37979797.8
n2
36061626023222121
n3
6.848066323506E+24
n4
1.3004408714387E+33
n5
2.4695240674049E+41
2 √n
13780.384210899
3 √n
574.78781231891
4 √n
117.38988121171
5 √n
45.258955871871
1 , 3 , 7 , 21 , 29 , 87 , 203 , 609 , 311821 , 935463 , 2182747 , 6548241 , 9042809 , 27128427 , 63299663 , 189898989
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
-189898988
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 189898989 can be divided by 16 positive divisors.
The sum of these divisors (counting 189898989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011010100011010000011101101
3
Ternary
111020022212102220
4
Quaternary
23110122003231
5
Quinary
342103231424
6
Senary
30502105553
8
Octal
1324320355
10
Decimal
189898989
12
Duodecimal
5371b2b9
16
Hexadecimal
b51a0ed
20
Vigesimal
2j6h799
36
Base36
3526zx
md5
60caacdd33bbc6da8e9ab4641bbecae6
sha1
58dddf6ce6bff0cab3a403838ed9c15f09999a74
sha256
8fc01530294fb5e2e15bdf441544ead3f7d4aefa3bb933a9456818e961ab7598
sha512
e7e180f3bbe8a5d7e36221d8e33b2f6cffde75300dee474a4a46fcd081ba8cefa6a4c67ec6c48c33ad8c877cee2b0cb92751ceb1f3300959130bcf64766f2f84
ripemd-160
5e59d14307b7b4646cd63d6d884a453665ad94b6
Diameter
379797978
Circumference
1193170537.5331
Area
1.1329093939106E+17
Volume
2.8685113137629E+25
Surface area
4.5316375756423E+17
Circumference
1193170537.5331
Perimeter
759595956
Area
36061626023222121
Diagonal
268557725.72474
Surface area
216369756139332726
Volume
6.848066323506E+24
Space diagonal
328914697.25396
Perimeter
569696967
Area
1.5615142118942E+16
Altitude
164457348.62698
Surface area
1.5615142118942E+16
Volume
8.0705235589438E+23
Height
89519241.908246