1285147989 is an odd 10-digits composite number following 1285147988
and preceding 1285147990 . In scientific notation, it is written as 1.285147989 × 10^9.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 856765320 positive integers (up to 1285147989) that are relatively prime to 1285147989.
1285147989 has 4 divisors, whose sum is 1427942220
The reverse of 1285147989 is 9897415821
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion two hundred eighty-five million one hundred forty-seven thousand nine hundred eighty-nine
Scientific notation
1.285147989 × 10^9
Engineering notation
1.285147989 × 10^9
Prime Factorization
9 × 142794221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1285147989
Product of the distinct prime numbers
The prime factorization of 1285147989 is 9 × 142794221.
Since it has a total of 2 prime factors.
10 , 6 , 70 , 18 , 284 , 11 , 9959 , 4156 , 14035 , 31068 , 961206 , 245930 , 8827140 , 2016942 , 89500173 , 75255761 , 413413003 , 687439413 , 4627453274 , 6124248184
n×2
2570295978
n×3
3855443967
n×4
5140591956
n×5
6425739945
n÷2
642573994.5
n÷3
428382663
n÷3
321286997.25
n÷5
257029597.8
n2
1651605353630744121
n3
2.1225572988402E+27
n4
2.7278002441417E+36
n5
3.5056269981525E+45
2 √n
35848.960779917
3 √n
1087.2207029091
4 √n
189.33821795907
5 √n
66.342315938045
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1285147988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285147989 can be divided by 4 positive divisors.
The sum of these divisors (counting 1285147989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110011100110101010101
3
Ternary
10022120020021121200
4
Quaternary
1030212130311111
5
Quinary
10112444213424
6
Senary
331305103113
8
Octal
11446346525
10
Decimal
1285147989
12
Duodecimal
2ba487a99
16
Hexadecimal
4c99cd55
20
Vigesimal
101c39j9
36
Base36
l956j9
md5
300fdb3852fde5cd3b898f1fa5d622f3
sha1
48d92fcf365b200da73a76d25c77733a8f910e1a
sha256
77de77301dc5f868c8d9f5f9c1997f834b2b334111bb7a80bca29ea854bbbb68
sha512
b63ab291a4b2bcfbfccdd8ceebe2e4e74dd6c181488d0f13c4c72ac0048b3a21145a36cbb17576bd087aa87e8291631c0db577e8348a0b69735bae690fb62052
ripemd-160
4690a50e62dafabd4afd020119b41b191a5acba3
Diameter
2570295978
Circumference
8074822962.0362
Area
5.1886712455959E+18
Volume
8.8909472224796E+27
Surface area
2.0754684982384E+19
Circumference
8074822962.0362
Perimeter
5140591956
Area
1651605353630744121
Diagonal
1817473715.7003
Surface area
9.9096321217845E+18
Volume
2.1225572988402E+27
Space diagonal
2225941612.193
Perimeter
3855443967
Area
7.151660966353E+17
Altitude
1112970806.0965
Surface area
7.151660966353E+17
Volume
2.5014577657782E+26
Height
605824571.9001