1285390828 is an even 10-digits composite number following 1285390827
and preceding 1285390829 . In scientific notation, it is written as 1.285390828 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 642622352 positive integers (up to 1285390828) that are relatively prime to 1285390828.
1285390828 has 12 divisors, whose sum is 2249689680
The reverse of 1285390828 is 8280935821
Previous prime number is 14759
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion two hundred eighty-five million three hundred ninety thousand eight hundred twenty-eight
Scientific notation
1.285390828 × 10^9
Engineering notation
1.285390828 × 10^9
Prime Factorization
2 × 2 × 14759 × 21773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642695414
Product of the distinct prime numbers
The prime factorization of 1285390828 is 2 × 2 × 14759 × 21773.
Since it has a total of 4 prime factors.
5 , 5 , 92 , 99 , 151 , 422 , 5310 , 5875 , 40041 , 1297 , 531732 , 228441 , 418430 , 9988647 , 58934070 , 78826194 , 289021220 , 728738862 , 3342817626 , 2659451809
n×2
2570781656
n×3
3856172484
n×4
5141563312
n×5
6426954140
n÷2
642695414
n÷3
428463609.33333
n÷3
321347707
n÷5
257078165.6
n2
1652229580706525584
n3
2.1237607487905E+27
n4
2.7298625873617E+36
n5
3.508940331495E+45
2 √n
35852.347593986
3 √n
1087.2891782812
4 √n
189.34716156834
5 √n
66.344822930898
1 , 2 , 4 , 14759 , 21773 , 29518 , 43546 , 59036 , 87092 , 321347707 , 642695414 , 1285390828
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
-1285390827
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 1285390828 can be divided by 12 positive divisors.
The sum of these divisors (counting 1285390828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100111011000000111101100
3
Ternary
10022120200121201201
4
Quaternary
1030213120013230
5
Quinary
10113030001303
6
Senary
331314215244
8
Octal
11447300754
10
Decimal
1285390828
12
Duodecimal
2ba584524
16
Hexadecimal
4c9d81ec
20
Vigesimal
101ddh18
36
Base36
l9adws
md5
d747731291de3494574807daeb701357
sha1
c3350ac0600854a868acdcd3cb86489e815c60e7
sha256
3c6346d5adf17e3c93aae9d2ee1b767c126ab76017ff46f37d66600d0aa96e88
sha512
3aaf95c1f581ef4c51d3b8f9f6364583f93708ed28643531d189672fe7ed18180de1ca827238fe5e3272d81da861b0b36bbb6dc4673068e49e7caebcd28d2483
ripemd-160
6265a666094ae5284139553bb78bb7d6b525f75e
Diameter
2570781656
Circumference
8076348764.473
Area
5.1906323127914E+18
Volume
8.8959882218433E+27
Surface area
2.0762529251165E+19
Circumference
8076348764.473
Perimeter
5141563312
Area
1652229580706525584
Diagonal
1817817141.9076
Surface area
9.9133774842392E+18
Volume
2.1237607487905E+27
Space diagonal
2226362221.679
Perimeter
3856172484
Area
7.1543639488798E+17
Altitude
1113181110.8395
Surface area
7.1543639488798E+17
Volume
2.5028760451459E+26
Height
605939047.30253