1998609919 is an odd 10-digits composite number following 1998609918
and preceding 1998609920 . In scientific notation, it is written as 1.998609919 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 1997731440 positive integers (up to 1998609919) that are relatively prime to 1998609919.
1998609919 has 4 divisors, whose sum is 1999488400
The reverse of 1998609919 is 9199068991
Previous prime number is 2281
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-eight million six hundred nine thousand nine hundred nineteen
Scientific notation
1.998609919 × 10^9
Engineering notation
1.998609919 × 10^9
Prime Factorization
2281 × 876199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998609919
Product of the distinct prime numbers
The prime factorization of 1998609919 is 2281 × 876199.
Since it has a total of 2 prime factors.
4 , 8 , 74 , 59 , 705 , 134 , 1214 , 751 , 73998 , 96313 , 319254 , 605036 , 7445086 , 4832973 , 21607478 , 44186651 , 147079740 , 45989318 , 9190393598 , 6597614853
n×2
3997219838
n×3
5995829757
n×4
7994439676
n×5
9993049595
n÷2
999304959.5
n÷3
666203306.33333
n÷3
499652479.75
n÷5
399721983.8
n2
3994441608325186561
n3
7.983330619265E+27
n4
1.595556376232E+37
n5
3.1888947998609E+46
2 √n
44705.815270499
3 √n
1259.6290835228
4 √n
211.43749731422
5 √n
72.467888541184
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998609918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998609919 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998609919) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000000101110111111111
3
Ternary
12011021201220101121
4
Quaternary
1313020011313333
5
Quinary
13043121004134
6
Senary
530153051411
8
Octal
16710056777
10
Decimal
1998609919
12
Duodecimal
4793b6b67
16
Hexadecimal
77205dff
20
Vigesimal
1b4b64fj
36
Base36
x1x5a7
md5
60bde69ec9eda1adc6ab94f41c9cb0de
sha1
36ea3b15c188d01a0ee1dcdd94e55a2804686d2d
sha256
3f0e442ab54a213fe1b19541c79bb29a365a0b55d993a2a4a61e3f647f99f68c
sha512
0201ad3b12f7be6dc9aed63b1b50f7de178bd66cdf89f6a9fb9c31439ad24d4bc3c9f188819b29d36e06d9077f1973bf183bb8c0840283eab00b990bac0e6bd6
ripemd-160
685977de2b5f320e7dc145972b113bfbfa0ecf4e
Diameter
3997219838
Circumference
12557636477.844
Area
1.2548908411908E+19
Volume
3.3440497099549E+28
Surface area
5.0195633647631E+19
Circumference
12557636477.844
Perimeter
7994439676
Area
3994441608325186561
Diagonal
2826461253.3432
Surface area
2.3966649649951E+19
Volume
7.983330619265E+27
Space diagonal
3461693924.2191
Perimeter
5995829757
Area
1.7296439533716E+18
Altitude
1730846962.1096
Surface area
1.7296439533716E+18
Volume
9.4084453622275E+26
Height
942153751.1144