1998986747 is an odd 10-digits prime number following 1998986746
and preceding 1998986748 . In scientific notation, it is written as 1.998986747 × 10^9.
The sum of its digits is 68. It has a total of 1 prime factors and 2 positive divisors.
There are 1998986746 positive integers (up to 1998986747) that are relatively prime to 1998986747.
1998986747 has 2 divisors, whose sum is 1998986748
The reverse of 1998986747 is 7476898991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
one billion nine hundred ninety-eight million nine hundred eighty-six thousand seven hundred forty-seven
Scientific notation
1.998986747 × 10^9
Engineering notation
1.998986747 × 10^9
Prime Factorization
1998986747
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1998986747
Product of the distinct prime numbers
The prime factorization of 1998986747 is 1998986747.
Since it has a total of 1 prime factors.
7 , 4 , 18 , 67 , 447 , 941 , 7030 , 9630 , 79307 , 90846 , 495729 , 18784 , 5206029 , 8496908 , 98439975 , 53479258 , 514766311 , 992772228 , 3667155817 , 2340272967
n×2
3997973494
n×3
5996960241
n×4
7995946988
n×5
9994933735
n÷2
999493373.5
n÷3
666328915.66667
n÷3
499746686.75
n÷5
399797349.4
n2
3995948014681642009
n3
7.9878471230496E+27
n4
1.5967600536038E+37
n5
3.191902185293E+46
2 √n
44710.029601869
3 √n
1259.7082441559
4 √n
211.44746298282
5 √n
72.470621027395
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1998986748
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
999493374
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44710.029613052
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989995
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998986747 can be divided by 2 positive divisors.
The sum of these divisors (counting 1998986747) is 1998986748, the average is 999493374.
Base
System
Value
2
Binary
1110111001001100001110111111011
3
Ternary
12011022110001022012
4
Quaternary
1313021201313323
5
Quinary
13043220033442
6
Senary
530205120135
8
Octal
16711416773
10
Decimal
1998986747
12
Duodecimal
47955904b
16
Hexadecimal
77261dfb
20
Vigesimal
1b4dd6h7
36
Base36
x2581n
md5
350d4bc7d727a31bc5ed1df796e4d7a4
sha1
d700524a82fa5bd3bf0d8710b868c59f6b4981df
sha256
ad6bcd08e5bb8af011d106b03089f9c64d34fa44614caafd6c7989d984ff2101
sha512
f796d0a2ea8251c3f25382b9e904c6ec8095e24e0af8c748b2bacb0789f453087ae726bed20c3bfc81952af38fa027cc3b59557451cf375dc94d53cada2fc4d3
ripemd-160
b52a9571e4064cb0fe59ccbf17262d0dfb5aa141
Diameter
3997973494
Circumference
12560004157.997
Area
1.2553640927051E+19
Volume
3.3459415786361E+28
Surface area
5.0214563708202E+19
Circumference
12560004157.997
Perimeter
7995946988
Area
3995948014681642009
Diagonal
2826994168.6115
Surface area
2.397568808809E+19
Volume
7.9878471230496E+27
Space diagonal
3462346609.4608
Perimeter
5996960241
Area
1.7302962464581E+18
Altitude
1731173304.7304
Surface area
1.7302962464581E+18
Volume
9.413768112983E+26
Height
942331389.53716