198421915 is an odd 9-digits composite number following 198421914
and preceding 198421916 . In scientific notation, it is written as 1.98421915 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 152868352 positive integers (up to 198421915) that are relatively prime to 198421915.
198421915 has 8 divisors, whose sum is 200306160
The reverse of 198421915 is 519124891
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred ninety-eight million four hundred twenty-one thousand nine hundred fifteen
Scientific notation
1.98421915 × 10^8
Engineering notation
1.98421915 × 10^6
Prime Factorization
145 × 443 × 3089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
198421915
Product of the distinct prime numbers
The prime factorization of 198421915 is 145 × 443 × 3089.
Since it has a total of 3 prime factors.
1 , 1 , 84 , 97 , 287 , 986 , 121 , 7926 , 82308 , 91807 , 641857 , 170861 , 6991383 , 9290822 , 23770146 , 63863830 , 243990082 , 545820026 , 8933830547 , 2123210087
n×2
396843830
n×3
595265745
n×4
793687660
n×5
992109575
n÷2
99210957.5
n÷3
66140638.333333
n÷3
49605478.75
n÷5
39684383
n2
39371256352267225
n3
7.8121200813728E+24
n4
1.5500958267559E+33
n5
3.0757298237842E+41
2 √n
14086.231398071
3 √n
583.26136817426
4 √n
118.68543043723
5 √n
45.658109713997
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
-198421914
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 198421915 can be divided by 8 positive divisors.
The sum of these divisors (counting 198421915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011110100111010110110011011
3
Ternary
111211100212200211
4
Quaternary
23310322312123
5
Quinary
401244000130
6
Senary
31404511551
8
Octal
1364726633
10
Decimal
198421915
12
Duodecimal
5654b5b7
16
Hexadecimal
bd3ad9b
20
Vigesimal
3202eff
36
Base36
3a4vbv
md5
d74c4707b92b93f9a6a799354635ac84
sha1
3d00851a24d7752664b13f1ea1d66302844c1ee5
sha256
6b44e9f04a4f4db8a1c12d4c60dbacfe0ad8e52f8924aaeeb4d4876d3f6a174e
sha512
09053e8bb0792dc8418fe7ac8f87f5f1c71479526b504b79dccfcf6a6cc0ded9488b58a68b4a50cc5ff6e1389edeeea9ea4fa163b3e6d8fdd680e6a17a7835ee
ripemd-160
2e83294aa344eb05c91d5a53fe7a5de04c864b6d
Diameter
396843830
Circumference
1246721660.9504
Area
1.2368844971888E+17
Volume
3.2723332075469E+25
Surface area
4.9475379887553E+17
Circumference
1246721660.9504
Perimeter
793687660
Area
39371256352267225
Diagonal
280610963.26504
Surface area
236227538113603350
Volume
7.8121200813728E+24
Space diagonal
343676838.11511
Perimeter
595265745
Area
1.7048254089986E+16
Altitude
171838419.05756
Surface area
1.7048254089986E+16
Volume
9.2066718083038E+23
Height
93536987.755014