1284389980 is an even 10-digits composite number following 1284389979
and preceding 1284389981 . In scientific notation, it is written as 1.284389980 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 513755984 positive integers (up to 1284389980) that are relatively prime to 1284389980.
1284389980 has 12 divisors, whose sum is 2697219000
The reverse of 1284389980 is 0899834821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion two hundred eighty-four million three hundred eighty-nine thousand nine hundred eighty
Scientific notation
1.284389980 × 10^9
Engineering notation
1.284389980 × 10^9
Prime Factorization
2 × 2 × 5 × 64219499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642194990
Product of the distinct prime numbers
The prime factorization of 1284389980 is 2 × 2 × 5 × 64219499.
Since it has a total of 4 prime factors.
8 , 7 , 82 , 21 , 298 , 720 , 7022 , 5358 , 67003 , 59768 , 626330 , 167833 , 1947511 , 8699627 , 98765862 , 29086648 , 289390059 , 560538003 , 233580007 , 661453392
n×2
2568779960
n×3
3853169940
n×4
5137559920
n×5
6421949900
n÷2
642194990
n÷3
428129993.33333
n÷3
321097495
n÷5
256877996
n2
1649657620724400400
n3
2.1188037184891E+27
n4
2.7213702656141E+36
n5
3.4953007010247E+45
2 √n
35838.386961469
3 √n
1087.0069051813
4 √n
189.31029280382
5 √n
66.334488054937
1 , 2 , 4 , 5 , 10 , 20 , 64219499 , 128438998 , 256877996 , 321097495 , 642194990 , 1284389980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1284389979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1284389980 can be divided by 12 positive divisors.
The sum of these divisors (counting 1284389980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100011100011110001011100
3
Ternary
10022111210202211021
4
Quaternary
1030203203301130
5
Quinary
10112300434410
6
Senary
331240533524
8
Octal
11443436134
10
Decimal
1284389980
12
Duodecimal
2ba1812a4
16
Hexadecimal
4c8e3c5c
20
Vigesimal
10178ej0
36
Base36
l8oxng
md5
7e2b48f51364a0d5f7e0601da8d9facb
sha1
11d33ab762fd697dda0031e6833a4793d0b15c62
sha256
75d6ce518a946fbde19c64bea7e7b2775ac868b8ee2b9242d1869787a675286c
sha512
31ac30769b6849df4b69e17e63bb0b0f1a6670743b195375c6717366c32905cbfcb0e09eb9035ae0ee1031d0dfd2efcb97b9630e6a8c9e769913f4d6c5002f59
ripemd-160
5513628b809b44326ed95743936e4ea64e4f7bcc
Diameter
2568779960
Circumference
8070060251.0247
Area
5.1825522622062E+18
Volume
8.875224261872E+27
Surface area
2.0730209048825E+19
Circumference
8070060251.0247
Perimeter
5137559920
Area
1649657620724400400
Diagonal
1816401729.0921
Surface area
9.8979457243464E+18
Volume
2.1188037184891E+27
Space diagonal
2224628702.0924
Perimeter
3853169940
Area
7.1432270354696E+17
Altitude
1112314351.0462
Surface area
7.1432270354696E+17
Volume
2.4970341289115E+26
Height
605467243.0307