1427989861 is an odd 10-digits composite number following 1427989860
and preceding 1427989862 . In scientific notation, it is written as 1.427989861 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 1363517280 positive integers (up to 1427989861) that are relatively prime to 1427989861.
1427989861 has 8 divisors, whose sum is 1493944704
The reverse of 1427989861 is 1689897241
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion four hundred twenty-seven million nine hundred eighty-nine thousand eight hundred sixty-one
Scientific notation
1.427989861 × 10^9
Engineering notation
1.427989861 × 10^9
Prime Factorization
41 × 47 × 741043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1427989861
Product of the distinct prime numbers
The prime factorization of 1427989861 is 41 × 47 × 741043.
Since it has a total of 3 prime factors.
6 , 8 , 81 , 78 , 263 , 810 , 2843 , 4070 , 40717 , 70938 , 815848 , 549482 , 8784066 , 5688665 , 48910214 , 71695802 , 219024622 , 498253140 , 4790331664 , 904062298
n×2
2855979722
n×3
4283969583
n×4
5711959444
n×5
7139949305
n÷2
713994930.5
n÷3
475996620.33333
n÷3
356997465.25
n÷5
285597972.2
n2
2039155043118799321
n3
2.9118927265807E+27
n4
4.1581532898768E+36
n5
5.9378007384279E+45
2 √n
37788.753101948
3 √n
1126.0950288762
4 √n
194.39329489967
5 √n
67.755573369969
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1427989860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1427989861 can be divided by 8 positive divisors.
The sum of these divisors (counting 1427989861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010101000111010110010101100101
3
Ternary
10200112000101211101
4
Quaternary
1111013112111211
5
Quinary
10411031133421
6
Senary
353410440101
8
Octal
12507262545
10
Decimal
1427989861
12
Duodecimal
33a293031
16
Hexadecimal
551d6565
20
Vigesimal
1264ied1
36
Base36
nm6s11
md5
9ad8ce2b7512414143b1a039e1ef3795
sha1
0832cc8492308b9ea02f65fc189358433dc64b77
sha256
5e2ddda6299128ec0f94e1473a7b1176d742b24037f5108deec4299d07a0dc9b
sha512
f16f28dcc7f739dbabce876b37d58158f9b632973dda229f006af00a7c6b11dc9d26e11a1edae6dd0b8e2542adf959bbeeca1b5cde28115f1e34c60ce33f8a1e
ripemd-160
dcfaa497f4cf4462954bce7dd981d11d3ccfed0d
Diameter
2855979722
Circumference
8972324913.4366
Area
6.4061945029926E+18
Volume
1.219730773049E+28
Surface area
2.562477801197E+19
Circumference
8972324913.4366
Perimeter
5711959444
Area
2039155043118799321
Diagonal
2019482628.3575
Surface area
1.2234930258713E+19
Volume
2.9118927265807E+27
Space diagonal
2473350991.9452
Perimeter
4283969583
Area
8.8298003479802E+17
Altitude
1236675495.9726
Surface area
8.8298003479802E+17
Volume
3.4316984884216E+26
Height
673160876.11916