1285377691 is an odd 10-digits composite number following 1285377690
and preceding 1285377692 . In scientific notation, it is written as 1.285377691 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 1186502472 positive integers (up to 1285377691) that are relatively prime to 1285377691.
1285377691 has 4 divisors, whose sum is 1384252912
The reverse of 1285377691 is 1967735821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion two hundred eighty-five million three hundred seventy-seven thousand six hundred ninety-one
Scientific notation
1.285377691 × 10^9
Engineering notation
1.285377691 × 10^9
Prime Factorization
13 × 98875207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1285377691
Product of the distinct prime numbers
The prime factorization of 1285377691 is 13 × 98875207.
Since it has a total of 2 prime factors.
3 , 1 , 41 , 59 , 332 , 271 , 2428 , 3281 , 84400 , 61129 , 688225 , 427300 , 3191273 , 9320127 , 46614925 , 4775439 , 182889553 , 706445903 , 5763561910 , 9947733076
n×2
2570755382
n×3
3856133073
n×4
5141510764
n×5
6426888455
n÷2
642688845.5
n÷3
428459230.33333
n÷3
321344422.75
n÷5
257075538.2
n2
1652195808520491481
n3
2.1236956334359E+27
n4
2.7297509896927E+36
n5
3.5087610241361E+45
2 √n
35852.164383758
3 √n
1087.2854741506
4 √n
189.34667777323
5 √n
66.344687318369
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
-1285377690
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 1285377691 can be divided by 4 positive divisors.
The sum of these divisors (counting 1285377691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100111010100111010011011
3
Ternary
10022120122221201011
4
Quaternary
1030213110322123
5
Quinary
10113024041231
6
Senary
331314034351
8
Octal
11447247233
10
Decimal
1285377691
12
Duodecimal
2ba5789b7
16
Hexadecimal
4c9d4e9b
20
Vigesimal
101dc44b
36
Base36
l9a3rv
md5
2cb8dbded7a53f909e3322c996f739cd
sha1
ebf4b75c5718a3208588bcf156656eacb4802a0e
sha256
633f96c90f25931992f76e7f35466b779f3b2e671eab3070386287b94e55ed05
sha512
52cd7d2687637b71a65278ec2ad3769c631c0d1293a9e6bac364d1587d8889b30019012630b0cb58aca67dfb50b3b290cc46669b0aa8371669b252a53f201c3e
ripemd-160
299882e150bf6dcbd39b6a1a38ff310a6465941e
Diameter
2570755382
Circumference
8076266222.2676
Area
5.1905262143398E+18
Volume
8.8957154672841E+27
Surface area
2.0762104857359E+19
Circumference
8076266222.2676
Perimeter
5141510764
Area
1652195808520491481
Diagonal
1817798563.384
Surface area
9.913174851123E+18
Volume
2.1236956334359E+27
Space diagonal
2226339467.7276
Perimeter
3856133073
Area
7.1542177110246E+17
Altitude
1113169733.8638
Surface area
7.1542177110246E+17
Volume
2.5027993059647E+26
Height
605932854.46134