1998049287 is an odd 10-digits composite number following 1998049286
and preceding 1998049288 . In scientific notation, it is written as 1.998049287 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 1155557376 positive integers (up to 1998049287) that are relatively prime to 1998049287.
1998049287 has 16 divisors, whose sum is 2172985920
The reverse of 1998049287 is 7829408991
Previous prime number is 853
Is Prime? no Number parity odd Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred ninety-eight million forty-nine thousand two hundred eighty-seven
Scientific notation
1.998049287 × 10^9
Engineering notation
1.998049287 × 10^9
Prime Factorization
39 × 17 × 853 × 3533
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1998049287 Product of the distinct prime numbers
The prime factorization of 1998049287 is 39 × 17 × 853 × 3533.
Since it has a total of 4 prime factors.
1 , 8 , 55 , 25 , 456 , 921 , 2049 , 6077 , 38871 , 35337 , 962183 , 376571 , 7934282 , 9856255 , 5624563 , 21222170 , 557543549 , 372230394 , 6311057524 , 4734155217
n×2
3996098574
n×3
5994147861
n×4
7992197148
n×5
9990246435
n÷2
999024643.5
n÷3
666016429
n÷3
499512321.75
n÷5
399609857.4
n2
3992200953281208369
n3
7.9766142682642E+27
n4
1.5937668451379E+37
n5
3.1844247085721E+46
2 √n44699.544594996
3 √n1259.5112925843
4 √n211.42266812004
5 √n72.463822477438
1 , 17 , 39 , 663 , 853 , 3533 , 14501 , 33267 , 60061 , 137787 , 565539 , 2342379 , 3013649 , 51232033 , 117532311 , 1998049287
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
-1998049286 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 1998049287 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998049287) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000101111101000000000111
3
Ternary
12011020200102100110
4
Quaternary
1313011331000013
5
Quinary
13043000034122
6
Senary
530133044103
8
Octal
16705750007
10
Decimal
1998049287
12
Duodecimal
479186633
16
Hexadecimal
7717d007
20
Vigesimal
1b47g347
36
Base36
x1l4p3
md5
ce293bdbe124e5c27bef0c88958ecd2e
sha1
ca61249ca0dd459e50de666600d6460e6dceaa46
sha256
1c9288272d97ea9219b7140c9e4596473849be4c96c0a615cc95e98cb1f25ed3
sha512
c8591d3e98d71aa7dd2982ec226a692fdc9ea89188eafd65989510afa0f44de06753d794284afa50104ae19dcfdb8e88f325a145c3e6d7904fc902985847473d
ripemd-160
38a80e8933774bdb4ce65788c7fd758c7b5fd77e
Diameter
3996098574
Circumference
12554113923.099
Area
1.2541869186482E+19
Volume
3.3412363714265E+28
Surface area
5.016747674593E+19
Circumference
12554113923.099
Perimeter
7992197148
Area
3992200953281208369
Diagonal
2825668399.9653
Surface area
2.3953205719687E+19
Volume
7.9766142682642E+27
Space diagonal
3460722881.1108
Perimeter
5994147861
Area
1.728673721277E+18
Altitude
1730361440.5554
Surface area
1.728673721277E+18
Volume
9.400530066665E+26
Height
941889466.6551