1998564749 is an odd 10-digits composite number following 1998564748
and preceding 1998564750 . In scientific notation, it is written as 1.998564749 × 10^9.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 1997920860 positive integers (up to 1998564749) that are relatively prime to 1998564749.
1998564749 has 4 divisors, whose sum is 1999208640
The reverse of 1998564749 is 9474658991
Previous prime number is 3119
Is Prime? no Number parity odd Number length 10 Sum of Digits 62 Digital Root 8
Name
one billion nine hundred ninety-eight million five hundred sixty-four thousand seven hundred forty-nine
Scientific notation
1.998564749 × 10^9
Engineering notation
1.998564749 × 10^9
Prime Factorization
3119 × 640771
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1998564749 Product of the distinct prime numbers
The prime factorization of 1998564749 is 3119 × 640771.
Since it has a total of 2 prime factors.
5 , 5 , 5 , 5 , 955 , 122 , 822 , 5869 , 55982 , 84140 , 579338 , 668332 , 104247 , 5203213 , 75486530 , 65577719 , 722689877 , 618235250 , 5585392437 , 4948140295
n×2
3997129498
n×3
5995694247
n×4
7994258996
n×5
9992823745
n÷2
999282374.5
n÷3
666188249.66667
n÷3
499641187.25
n÷5
399712949.8
n2
3994261055945433001
n3
7.9827893447161E+27
n4
1.5954121383042E+37
n5
3.1885344597416E+46
2 √n44705.310076097
3 √n1259.6195939481
4 √n211.43630264479
5 √n72.467560973099
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998564748 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998564749 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998564749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000111111010110110001101
3
Ternary
12011021122121102122
4
Quaternary
1313013322312031
5
Quinary
13043113032444
6
Senary
530152102325
8
Octal
16707726615
10
Decimal
1998564749
12
Duodecimal
4793949a5
16
Hexadecimal
771fad8d
20
Vigesimal
1b4b0bh9
36
Base36
x1w6fh
md5
bef27b688b6c50904bbbf3d918e4dedf
sha1
38d7e6eb5219ec303e7ea2979d07bfba3736fa44
sha256
7e31a2291f511684ee49aabedbf8d9ad1222fd0aa94865b9a559f86ff1cac84c
sha512
19e3fac224918b2e87516b67227233718df81e06cba914580452d16cd3cc987404fa82ae4a94ca3e00001733c03d6619cbd4c73a3a92ef333f4f5681f8c1cd46
ripemd-160
4ff7dbdf025edc8648ef7efec21f01ef73432e4e
Diameter
3997129498
Circumference
12557352666.364
Area
1.2548341189878E+19
Volume
3.343822981402E+28
Surface area
5.0193364759512E+19
Circumference
12557352666.364
Perimeter
7994258996
Area
3994261055945433001
Diagonal
2826397373.3166
Surface area
2.3965566335673E+19
Volume
7.9827893447161E+27
Space diagonal
3461615687.4841
Perimeter
5995694247
Area
1.7295657718978E+18
Altitude
1730807843.7421
Surface area
1.7295657718978E+18
Volume
9.4078074640541E+26
Height
942132457.77219