1285997250 is an even 10-digits composite number following 1285997249
and preceding 1285997251 . In scientific notation, it is written as 1.285997250 × 10^9.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 342932400 positive integers (up to 1285997250) that are relatively prime to 1285997250.
1285997250 has 16 divisors, whose sum is 2345660352
The reverse of 1285997250 is 0527995821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred eighty-five million nine hundred ninety-seven thousand two hundred fifty
Scientific notation
1.285997250 × 10^9
Engineering notation
1.285997250 × 10^9
Prime Factorization
2 × 75 × 5 × 1714663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1285997250
Product of the distinct prime numbers
The prime factorization of 1285997250 is 2 × 75 × 5 × 1714663.
Since it has a total of 4 prime factors.
10 , 4 , 30 , 100 , 780 , 326 , 3321 , 4294 , 82464 , 90565 , 522871 , 893100 , 8520502 , 9534912 , 4778862 , 89584725 , 792329625 , 957572499 , 241155331 , 9586562025
n×2
2571994500
n×3
3857991750
n×4
5143989000
n×5
6429986250
n÷2
642998625
n÷3
428665750
n÷3
321499312.5
n÷5
257199450
n2
1653788927007562500
n3
2.1267680122122E+27
n4
2.7350178150928E+36
n5
3.5172253889104E+45
2 √n
35860.803811404
3 √n
1087.4601385839
4 √n
189.36949018098
5 √n
66.351081785254
1 , 2 , 5 , 10 , 75 , 150 , 375 , 750 , 1714663 , 3429326 , 8573315 , 17146630 , 128599725 , 257199450 , 642998625 , 1285997250
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
-1285997249
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 1285997250 can be divided by 16 positive divisors.
The sum of these divisors (counting 1285997250) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101001101100001011000010
3
Ternary
10022121211102120210
4
Quaternary
1030221230023002
5
Quinary
10113203403000
6
Senary
331335214550
8
Octal
11451541302
10
Decimal
1285997250
12
Duodecimal
2ba817456
16
Hexadecimal
4ca6c2c2
20
Vigesimal
101h9d2a
36
Base36
l9ndtu
md5
c07d31ac816d9fcdf2d0e7246a044d70
sha1
9e9bedb9d85fda89709d5cfb0a1e3d68149155ef
sha256
0c818d4177ca0e82ba4e11eb29e2f9f8fed32146ac69871380d6e81c2150aa6e
sha512
5407dd46839b949d74c898c9469f9dc5ba75b0c91dc970adeb0cb658b4e8a0a1bde9e80644457def4f9bdcef8e24dbab066372592c20dcfc5dd9e6c2ae7e3696
ripemd-160
be86f98b9988d73336513b7cc7beb8ad271ff27c
Diameter
2571994500
Circumference
8080159026.2734
Area
5.1955311436751E+18
Volume
8.9085850174074E+27
Surface area
2.07821245747E+19
Circumference
8080159026.2734
Perimeter
5143989000
Area
1653788927007562500
Diagonal
1818674752.1245
Surface area
9.9227335620454E+18
Volume
2.1267680122122E+27
Space diagonal
2227412575.3939
Perimeter
3857991750
Area
7.1611161164298E+17
Altitude
1113706287.6969
Surface area
7.1611161164298E+17
Volume
2.5064201390764E+26
Height
606224917.37483