199897988 is an even 9-digits composite number following 199897987
and preceding 199897989 . In scientific notation, it is written as 1.99897988 × 10^8.
The sum of its digits is 68. It has a total of 5 prime factors and 24 positive divisors.
There are 97920000 positive integers (up to 199897988) that are relatively prime to 199897988.
199897988 has 24 divisors, whose sum is 356997144
The reverse of 199897988 is 889798991
Previous prime number is 97
Is Prime? no Number parity even Number length 9 Sum of Digits 68 Digital Root 5
Name
one hundred ninety-nine million eight hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
1.99897988 × 10^8
Engineering notation
1.99897988 × 10^6
Prime Factorization
2 × 2 × 101 × 97 × 5101
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
99948994 Product of the distinct prime numbers
The prime factorization of 199897988 is 2 × 2 × 101 × 97 × 5101.
Since it has a total of 5 prime factors.
9 , 6 , 62 , 28 , 139 , 697 , 750 , 3665 , 26254 , 57766 , 907323 , 167820 , 3862784 , 3885419 , 76375380 , 62826623 , 127259644 , 462485750 , 6544308216 , 2780865602
n×2
399795976
n×3
599693964
n×4
799591952
n×5
999489940
n÷2
99948994
n÷3
66632662.666667
n÷3
49974497
n÷5
39979597.6
n2
39959205606448144
n3
7.9877648028073E+24
n4
1.5967381126984E+33
n5
3.1918473609133E+41
2 √n14138.528494861
3 √n584.70410243381
4 √n118.90554442439
5 √n45.725839180361
1 , 2 , 4 , 97 , 101 , 194 , 202 , 388 , 404 , 5101 , 9797 , 10202 , 19594 , 20404 , 39188 , 494797 , 515201 , 989594 , 1030402 , 1979188 , 2060804 , 49974497 , 99948994 , 199897988
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-199897987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199897988 can be divided by 24 positive divisors.
The sum of these divisors (counting 199897988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1011111010100011001110000100
3
Ternary
111221010212111012
4
Quaternary
23322203032010
5
Quinary
402133213423
6
Senary
31500301352
8
Octal
1372431604
10
Decimal
199897988
12
Duodecimal
56b41858
16
Hexadecimal
bea3384
20
Vigesimal
32974j8
36
Base36
3b0i9w
md5
9cab6c1c6f50b2a2c585460809d64bd0
sha1
257a58559897b76b653a270af85af6ee0d5dd6ad
sha256
067c75df68eaaa0680009ac17d697ae67e96c5af5d27c2c60bb653ea5e1a564f
sha512
5bc7cc3f4bb8c0d67c14bed215eb4002e04d5be52e94973948786dfa88e043a9133a47dcc7edaafb6fd969c8467036e2ac5cf8e212543f1f92d02e5b101a73af
ripemd-160
e5d0fcbafe017fc28b27c0c86cf3ca2f11c4854a
Diameter
399795976
Circumference
1255996101.1364
Area
1.255355467765E+17
Volume
3.3459070964137E+25
Surface area
5.0214218710601E+17
Circumference
1255996101.1364
Perimeter
799591952
Area
39959205606448144
Diagonal
282698445.72069
Surface area
239755233638688864
Volume
7.9877648028073E+24
Space diagonal
346233471.54679
Perimeter
599693964
Area
1.7302843585115E+16
Altitude
173116735.7734
Surface area
1.7302843585115E+16
Volume
9.4136710976471E+23
Height
94232815.240231