1998986746 is an even 10-digits composite number following 1998986745
and preceding 1998986747 . In scientific notation, it is written as 1.998986746 × 10^9.
The sum of its digits is 67. It has a total of 3 prime factors and 8 positive divisors.
There are 999018240 positive integers (up to 1998986746) that are relatively prime to 1998986746.
1998986746 has 8 divisors, whose sum is 2999905524
The reverse of 1998986746 is 6476898991
Previous prime number is 2113
Is Prime? no
Number parity even
Number length 10
Sum of Digits 67
Digital Root 4
Name
one billion nine hundred ninety-eight million nine hundred eighty-six thousand seven hundred forty-six
Scientific notation
1.998986746 × 10^9
Engineering notation
1.998986746 × 10^9
Prime Factorization
2 × 2113 × 473021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998986746
Product of the distinct prime numbers
The prime factorization of 1998986746 is 2 × 2113 × 473021.
Since it has a total of 3 prime factors.
3 , 4 , 34 , 24 , 968 , 200 , 5151 , 313 , 37263 , 79857 , 903801 , 753693 , 5081223 , 6862806 , 71770480 , 21480872 , 723887720 , 396883925 , 934822019 , 7901055964
n×2
3997973492
n×3
5996960238
n×4
7995946984
n×5
9994933730
n÷2
999493373
n÷3
666328915.33333
n÷3
499746686.5
n÷5
399797349.2
n2
3995948010683668516
n3
7.9878471110617E+27
n4
1.5967600504087E+37
n5
3.1919021773092E+46
2 √n
44710.029590686
3 √n
1259.7082439458
4 √n
211.44746295637
5 √n
72.470621020145
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
-1998986745
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 1998986746 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998986746) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001100001110111111010
3
Ternary
12011022110001022011
4
Quaternary
1313021201313322
5
Quinary
13043220033441
6
Senary
530205120134
8
Octal
16711416772
10
Decimal
1998986746
12
Duodecimal
47955904a
16
Hexadecimal
77261dfa
20
Vigesimal
1b4dd6h6
36
Base36
x2581m
md5
f6a70b39cafffc2e17eb85c81c422713
sha1
9700c6e9247c783b574a03eb3279353b7925b04f
sha256
fc35d683dfbf28176ed0f157f4d3c7d5d17fe6c03d1f940bccab17a27521c176
sha512
eb942c56a4ef5ac57100d41a86114e6b4702f7646342b9051d824c52df4be638112f6faf00c12ad385025841a60999bfce314f351647938e65d804373588e5cc
ripemd-160
db91d708474cd6034ffe22713b03c248723f75f5
Diameter
3997973492
Circumference
12560004151.714
Area
1.2553640914491E+19
Volume
3.3459415736147E+28
Surface area
5.0214563657962E+19
Circumference
12560004151.714
Perimeter
7995946984
Area
3995948010683668516
Diagonal
2826994167.1973
Surface area
2.3975688064102E+19
Volume
7.9878471110617E+27
Space diagonal
3462346607.7288
Perimeter
5996960238
Area
1.730296244727E+18
Altitude
1731173303.8644
Surface area
1.730296244727E+18
Volume
9.4137680988552E+26
Height
942331389.06575