1998951949 is an odd 10-digits composite number following 1998951948
and preceding 1998951950 . In scientific notation, it is written as 1.998951949 × 10^9.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 1992966192 positive integers (up to 1998951949) that are relatively prime to 1998951949.
1998951949 has 8 divisors, whose sum is 2004948000
The reverse of 1998951949 is 9491598991
Previous prime number is 829
Is Prime? no Number parity odd Number length 10 Sum of Digits 64 Digital Root 1
Name
one billion nine hundred ninety-eight million nine hundred fifty-one thousand nine hundred forty-nine
Scientific notation
1.998951949 × 10^9
Engineering notation
1.998951949 × 10^9
Prime Factorization
659 × 829 × 3659
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998951949 Product of the distinct prime numbers
The prime factorization of 1998951949 is 659 × 829 × 3659.
Since it has a total of 3 prime factors.
10 , 8 , 77 , 88 , 482 , 458 , 1121 , 6945 , 79266 , 89506 , 189425 , 801583 , 6258929 , 5536066 , 36170506 , 95952982 , 387536757 , 463436838 , 9949318007 , 5092111637
n×2
3997903898
n×3
5996855847
n×4
7995807796
n×5
9994759745
n÷2
999475974.5
n÷3
666317316.33333
n÷3
499737987.25
n÷5
399790389.8
n2
3995808894410898601
n3
7.9874299773142E+27
n4
1.5966488720653E+37
n5
3.1916243746836E+46
2 √n44709.640448118
3 √n1259.7009345223
4 √n211.446542767
5 √n72.470368714544
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
-1998951948 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 1998951949 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998951949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001011001011000001101
3
Ternary
12011022101021120101
4
Quaternary
1313021121120031
5
Quinary
13043212430244
6
Senary
530204251101
8
Octal
16711313015
10
Decimal
1998951949
12
Duodecimal
479540a91
16
Hexadecimal
7725960d
20
Vigesimal
1b4d8jh9
36
Base36
x24h71
md5
7e379879bd456ee50ff6242d58fe8ff5
sha1
885dbd3f0c6c0e641d692a08b67f2640c3feaca2
sha256
fa4b05d559e36ac0f9d357417757d173f725d1be1ebf9916feb3aff0c04f2c1e
sha512
46134dc88f51761662ecbb7628c13e414e990d05ab4e5343a3b4de07a41584817bb2738357b957f4e6b104a8179677ae6b40e647cd534b647a6deffa692a8da8
ripemd-160
4979b8987c8c071b58b778084ad1d882413338b5
Diameter
3997903898
Circumference
12559785515.715
Area
1.255320386783E+19
Volume
3.3457668450391E+28
Surface area
5.021281547132E+19
Circumference
12559785515.715
Perimeter
7995807796
Area
3995808894410898601
Diagonal
2826944956.8079
Surface area
2.3974853366465E+19
Volume
7.9874299773142E+27
Space diagonal
3462286337.5568
Perimeter
5996855847
Area
1.7302360056138E+18
Altitude
1731143168.7784
Surface area
1.7302360056138E+18
Volume
9.4132765020193E+26
Height
942314985.60264