1998617907 is an odd 10-digits composite number following 1998617906
and preceding 1998617908 . In scientific notation, it is written as 1.998617907 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 1110568320 positive integers (up to 1998617907) that are relatively prime to 1998617907.
1998617907 has 16 divisors, whose sum is 2251296000
The reverse of 1998617907 is 7097168991
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion nine hundred ninety-eight million six hundred seventeen thousand nine hundred seven
Scientific notation
1.998617907 × 10^9
Engineering notation
1.998617907 × 10^9
Prime Factorization
11 × 39 × 149 × 31267
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998617907
Product of the distinct prime numbers
The prime factorization of 1998617907 is 11 × 39 × 149 × 31267.
Since it has a total of 4 prime factors.
4 , 4 , 1 , 69 , 238 , 256 , 6509 , 9496 , 75810 , 85725 , 957415 , 780866 , 4130067 , 5481824 , 92816031 , 86553712 , 950714236 , 10246562 , 4923844280 , 6590589587
n×2
3997235814
n×3
5995853721
n×4
7994471628
n×5
9993089535
n÷2
999308953.5
n÷3
666205969
n÷3
499654476.75
n÷5
399723581.4
n2
3994473538181060649
n3
7.9834263424463E+27
n4
1.5955818847229E+37
n5
3.1889585268919E+46
2 √n
44705.904610018
3 √n
1259.6307616731
4 √n
211.43770858108
5 √n
72.467946468703
1 , 11 , 39 , 149 , 429 , 1639 , 5811 , 31267 , 63921 , 343937 , 1219413 , 4658783 , 13413543 , 51246613 , 181692537 , 1998617907
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
-1998617906
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 1998617907 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998617907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001000000111110100110011
3
Ternary
12011021202022100110
4
Quaternary
1313020013310303
5
Quinary
13043121233112
6
Senary
530153152403
8
Octal
16710076463
10
Decimal
1998617907
12
Duodecimal
4793bb703
16
Hexadecimal
77207d33
20
Vigesimal
1b4b74f7
36
Base36
x1xbg3
md5
322f4afdbc71273ac79d1d7f3ce19a84
sha1
338a6ce01207c85b309123a32bb583373f9ba8bc
sha256
2e7093ca1c8a9ea1f82dc3b05ce0c9589044fc01d886064829787b768ef8f08f
sha512
08c7478cafe8134a2fc3e8d425a151ebd53cc819b252b079efbb0dab827fd2cf2438b18f9406a743317b0d4fe54bc64262ac40dca983bf893eb5f7e5b96917ec
ripemd-160
e426591d408e198e102a7249991227ddcc8ae7f9
Diameter
3997235814
Circumference
12557686667.928
Area
1.2549008722508E+19
Volume
3.3440898063873E+28
Surface area
5.0196034890034E+19
Circumference
12557686667.928
Perimeter
7994471628
Area
3994473538181060649
Diagonal
2826472550.0811
Surface area
2.3966841229086E+19
Volume
7.9834263424463E+27
Space diagonal
3461707759.841
Perimeter
5995853721
Area
1.7296577794048E+18
Altitude
1730853879.9205
Surface area
1.7296577794048E+18
Volume
9.4085581730785E+26
Height
942157516.69371