1998901892 is an even 10-digits composite number following 1998901891
and preceding 1998901893 . In scientific notation, it is written as 1.998901892 × 10^9.
The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors.
There are 913056768 positive integers (up to 1998901892) that are relatively prime to 1998901892.
1998901892 has 24 divisors, whose sum is 3806007576
The reverse of 1998901892 is 2981098991
Previous prime number is 97
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million nine hundred one thousand eight hundred ninety-two
Scientific notation
1.998901892 × 10^9
Engineering notation
1.998901892 × 10^9
Prime Factorization
2 × 2 × 13 × 97 × 396293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
999450946
Product of the distinct prime numbers
The prime factorization of 1998901892 is 2 × 2 × 13 × 97 × 396293.
Since it has a total of 5 prime factors.
2 , 8 , 34 , 4 , 597 , 338 , 6735 , 1466 , 14665 , 17527 , 751377 , 722099 , 4928212 , 5354114 , 9346488 , 38519417 , 565334618 , 964197303 , 5841027058 , 9120450423
n×2
3997803784
n×3
5996705676
n×4
7995607568
n×5
9994509460
n÷2
999450946
n÷3
666300630.66667
n÷3
499725473
n÷5
399780378.4
n2
3995608773841179664
n3
7.9868299377229E+27
n4
1.5964889473597E+37
n5
3.1912247774343E+46
2 √n
44709.080643646
3 √n
1259.6904194495
4 √n
211.44521901345
5 √n
72.470005755786
1 , 2 , 4 , 13 , 26 , 52 , 97 , 194 , 388 , 1261 , 2522 , 5044 , 396293 , 792586 , 1585172 , 5151809 , 10303618 , 20607236 , 38440421 , 76880842 , 153761684 , 499725473 , 999450946 , 1998901892
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998901891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998901892 can be divided by 24 positive divisors.
The sum of these divisors (counting 1998901892) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111001001001101001010000100
3
Ternary
12011022021201220102
4
Quaternary
1313021031022010
5
Quinary
13043204330032
6
Senary
530203223232
8
Octal
16711151204
10
Decimal
1998901892
12
Duodecimal
479517b18
16
Hexadecimal
7724d284
20
Vigesimal
1b4d2eec
36
Base36
x23ekk
md5
acdc71c8f6aeeaf83c8b4c8ef16f3b2c
sha1
2f8a559160a5932f5b30a89d1f7a76d4bb1ce3af
sha256
404cd3b7a9fa46146153c49c5a6c468060677bff2f4e890c3c483b9a0d885420
sha512
6b85d601a635f44542a8908b5153508353c0c211b42fd059679f83678ae761f308dfe840b093dc0d49f0d7ec82b071f4e9bcfa9357dd87a8acbfc3b0950a4575
ripemd-160
49772ba948d0ce31618faa69232b3033d1db36f2
Diameter
3997803784
Circumference
12559470998.308
Area
1.2552575170518E+19
Volume
3.3455155010429E+28
Surface area
5.0210300682073E+19
Circumference
12559470998.308
Perimeter
7995607568
Area
3995608773841179664
Diagonal
2826874165.5196
Surface area
2.3973652643047E+19
Volume
7.9868299377229E+27
Space diagonal
3462199636.2896
Perimeter
5996705676
Area
1.7301493508652E+18
Altitude
1731099818.1448
Surface area
1.7301493508652E+18
Volume
9.4125693485794E+26
Height
942291388.50655