1998001646 is an even 10-digits composite number following 1998001645
and preceding 1998001647 . In scientific notation, it is written as 1.998001646 × 10^9.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 966774060 positive integers (up to 1998001646) that are relatively prime to 1998001646.
1998001646 has 12 divisors, whose sum is 3096801576
The reverse of 1998001646 is 6461008991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion nine hundred ninety-eight million one thousand six hundred forty-six
Scientific notation
1.998001646 × 10^9
Engineering notation
1.998001646 × 10^9
Prime Factorization
2 × 31 × 31 × 1039543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64451666
Product of the distinct prime numbers
The prime factorization of 1998001646 is 2 × 31 × 31 × 1039543.
Since it has a total of 4 prime factors.
1 , 5 , 75 , 13 , 94 , 70 , 7191 , 6602 , 29150 , 61657 , 880268 , 262491 , 7887842 , 5707100 , 85154978 , 2731880 , 170070010 , 975597594 , 5386992851 , 4790032576
n×2
3996003292
n×3
5994004938
n×4
7992006584
n×5
9990008230
n÷2
999000823
n÷3
666000548.66667
n÷3
499500411.5
n÷5
399600329.2
n2
3992010577418709316
n3
7.976043704532E+27
n4
1.5936148450223E+37
n5
3.1840450834446E+46
2 √n
44699.011689298
3 √n
1259.5012820114
4 √n
211.42140783113
5 √n
72.463476912199
1 , 2 , 31 , 62 , 961 , 1922 , 1039543 , 2079086 , 32225833 , 64451666 , 999000823 , 1998001646
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998001645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998001646 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998001646) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111000101110001010111101110
3
Ternary
12011020120222222222
4
Quaternary
1313011301113232
5
Quinary
13042442023041
6
Senary
530132035342
8
Octal
16705612756
10
Decimal
1998001646
12
Duodecimal
479162b52
16
Hexadecimal
771715ee
20
Vigesimal
1b47a426
36
Base36
x1k3xq
md5
36529369c74a44ad7c1f6c413fceb28e
sha1
c36ce235aa0dc5e48c95ac2c9ce7d4e798e128a5
sha256
9f853fa09af2566af7a905545574e9013a7dfdd18ffc44510e5a61d2eb3b45ec
sha512
1b2016ca10eb41624aaa52a89e081761843a9bbe8cb724195ddd8fa4c5285bddeb6454460ce1b348f863c1c6cd6a65577850d182f8bed709f063e059c58c22f2
ripemd-160
ef7d0d34f75bb0843cd1bb8d53d6e101c5e5038d
Diameter
3996003292
Circumference
12553814585.868
Area
1.2541271103071E+19
Volume
3.3409973742492E+28
Surface area
5.0165084412285E+19
Circumference
12553814585.868
Perimeter
7992006584
Area
3992010577418709316
Diagonal
2825601025.417
Surface area
2.3952063464512E+19
Volume
7.976043704532E+27
Space diagonal
3460640364.4782
Perimeter
5994004938
Area
1.7285912861104E+18
Altitude
1730320182.2391
Surface area
1.7285912861104E+18
Volume
9.3998576508581E+26
Height
941867008.47232