198989997 is an odd 9-digits composite number following 198989996
and preceding 198989998 . In scientific notation, it is written as 1.98989997 × 10^8.
The sum of its digits is 69. It has a total of 3 prime factors and 8 positive divisors.
There are 126892128 positive integers (up to 198989997) that are relatively prime to 198989997.
198989997 has 8 divisors, whose sum is 276855744
The reverse of 198989997 is 799989891
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 69
Digital Root 6
Name
one hundred ninety-eight million nine hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
1.98989997 × 10^8
Engineering notation
1.98989997 × 10^6
Prime Factorization
3 × 23 × 2883913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
198989997
Product of the distinct prime numbers
The prime factorization of 198989997 is 3 × 23 × 2883913.
Since it has a total of 3 prime factors.
2 , 4 , 92 , 76 , 934 , 810 , 2735 , 834 , 12333 , 96622 , 405978 , 70502 , 9711806 , 2066762 , 90092385 , 33691105 , 244199624 , 693580810 , 8138672061 , 7846890989
n×2
397979994
n×3
596969991
n×4
795959988
n×5
994949985
n÷2
99494998.5
n÷3
66329999
n÷3
49747499.25
n÷5
39797999.4
n2
39597018906060009
n3
7.8794106733258E+24
n4
1.5679239062469E+33
n5
3.1200117340029E+41
2 √n
14106.381428276
3 √n
583.81746363283
4 √n
118.77028849117
5 √n
45.684223661663
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-198989996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 198989997 can be divided by 8 positive divisors.
The sum of these divisors (counting 198989997) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011110111000101100010101101
3
Ternary
111212102201221220
4
Quaternary
23313011202231
5
Quinary
401420134442
6
Senary
31425013553
8
Octal
1367054255
10
Decimal
198989997
12
Duodecimal
567842b9
16
Hexadecimal
bdc58ad
20
Vigesimal
323dejh
36
Base36
3ah1nx
md5
d10980c53f02c0d4cebe9d286e25dc59
sha1
dcb6fc9a86e5b937957439db3f22dc8b21c478ec
sha256
39f1da53f2b98cff4738d43ce6da9fc6fe2e5a8bade6c27ea88cc7d798304b02
sha512
eef9bf828b9d3dc866ba7ca8e846977917bcb5438ff852349fa1931763a5addabfe8d38a0102b09a6ea92ecd94ae59fd64048ab7599b3f59083ce1711f2167ba
ripemd-160
736f34b99f0579366b942412ad0fd290ee69fe35
Diameter
397979994
Circumference
1250291025.4261
Area
1.2439770369933E+17
Volume
3.3005198247917E+25
Surface area
4.9759081479734E+17
Circumference
1250291025.4261
Perimeter
795959988
Area
39597018906060009
Diagonal
281414352.53398
Surface area
237582113436360054
Volume
7.8794106733258E+24
Space diagonal
344660785.00198
Perimeter
596969991
Area
1.714601214339E+16
Altitude
172330392.50099
Surface area
1.714601214339E+16
Volume
9.2859745314373E+23
Height
93804784.177994