1998597954 is an even 10-digits composite number following 1998597953
and preceding 1998597955 . In scientific notation, it is written as 1.998597954 × 10^9.
The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors.
There are 630761472 positive integers (up to 1998597954) that are relatively prime to 1998597954.
1998597954 has 16 divisors, whose sum is 3052303128
The reverse of 1998597954 is 4597958991
Previous prime number is 2113
Is Prime? no
Number parity even
Number length 10
Sum of Digits 66
Digital Root 3
Name
one billion nine hundred ninety-eight million five hundred ninety-seven thousand nine hundred fifty-four
Scientific notation
1.998597954 × 10^9
Engineering notation
1.998597954 × 10^9
Prime Factorization
2 × 57 × 2113 × 8297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998597954
Product of the distinct prime numbers
The prime factorization of 1998597954 is 2 × 57 × 2113 × 8297.
Since it has a total of 4 prime factors.
3 , 3 , 40 , 87 , 976 , 709 , 7166 , 4632 , 17159 , 4074 , 160337 , 15990 , 1456715 , 3586126 , 66778017 , 15766255 , 382768045 , 774002080 , 5225681345 , 8802156814
n×2
3997195908
n×3
5995793862
n×4
7994391816
n×5
9992989770
n÷2
999298977
n÷3
666199318
n÷3
499649488.5
n÷5
399719590.8
n2
3994393781732986116
n3
7.9831872396419E+27
n4
1.5955181683547E+37
n5
3.1887993468436E+46
2 √n
44705.681451019
3 √n
1259.6265698603
4 √n
211.43718086235
5 √n
72.46780177284
1 , 2 , 57 , 114 , 2113 , 4226 , 8297 , 16594 , 120441 , 240882 , 472929 , 945858 , 17531561 , 35063122 , 999298977 , 1998597954
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
-1998597953
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 1998597954 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998597954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001000000010111101000010
3
Ternary
12011021201021222110
4
Quaternary
1313020002331002
5
Quinary
13043120113304
6
Senary
530152520150
8
Octal
16710027502
10
Decimal
1998597954
12
Duodecimal
4793b0056
16
Hexadecimal
77202f42
20
Vigesimal
1b4b4ehe
36
Base36
x1ww1u
md5
40aa8a40f80b04b8a7bc296e28c0becb
sha1
7eb96138c7bec9899a23c115d0be4133e99b7212
sha256
c1329aea8bbb4750223ddafe298344bd12fb3c45d840898e4a75bd8ff265631c
sha512
68eeb09ddd14400aa502d63b4dcc91e2c7295cba47a3d748b7dec4e10ea594f9d1ab22ba8ec30b9bd37031553b771549bf72f32ce76d5d8e79e80e05dd4e25ba
ripemd-160
f29ee41a5de34faae0432ceb4605f177a59bd82a
Diameter
3997195908
Circumference
12557561299.532
Area
1.2548758160237E+19
Volume
3.3439896512388E+28
Surface area
5.0195032640948E+19
Circumference
12557561299.532
Perimeter
7994391816
Area
3994393781732986116
Diagonal
2826444332.2779
Surface area
2.3966362690398E+19
Volume
7.9831872396419E+27
Space diagonal
3461673200.2312
Perimeter
5995793862
Area
1.7296232438497E+18
Altitude
1730836600.1156
Surface area
1.7296232438497E+18
Volume
9.4082763877211E+26
Height
942148110.75931