1281293 is an odd 7-digits composite number following 1281292
and preceding 1281294 . In scientific notation, it is written as 1.281293 × 10^6.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 1182720 positive integers (up to 1281293) that are relatively prime to 1281293.
1281293 has 4 divisors, whose sum is 1379868
The reverse of 1281293 is 3921821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million two hundred eighty-one thousand two hundred ninety-three
Scientific notation
1.281293 × 10^6
Engineering notation
1.281293 × 10^6
Prime Factorization
13 × 98561
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1281293
Product of the distinct prime numbers
The prime factorization of 1281293 is 13 × 98561.
Since it has a total of 2 prime factors.
9 , 7 , 76 , 26 , 802 , 632 , 2527 , 8573 , 85284 , 21467 , 391098 , 562281 , 2336886 , 4281717 , 77073823 , 38440232 , 795568769 , 37585153 , 1291229434 , 502032231
n×2
2562586
n×3
3843879
n×4
5125172
n×5
6406465
n÷2
640646.5
n÷3
427097.66666667
n÷3
320323.25
n÷5
256258.6
n2
1641711751849
n3
2103513775661860757
n4
2.6952174761591E+24
n5
3.4533632856803E+30
2 √n
1131.9421363303
3 √n
108.6132521726
4 √n
33.644347761999
5 √n
16.654426824884
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
-1281292
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 1281293 can be divided by 4 positive divisors.
The sum of these divisors (counting 1281293) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000110100001101
3
Ternary
2102002121022
4
Quaternary
10320310031
5
Quinary
312000133
6
Senary
43243525
8
Octal
4706415
10
Decimal
1281293
12
Duodecimal
5195a5
16
Hexadecimal
138d0d
20
Vigesimal
8034d
36
Base36
rgnh
md5
51e60773947faf8904437a2c604bb8a6
sha1
01aadd62fc86288a5de6dd7b9d80fde556de5b20
sha256
23e0f1d0396d75e74273ee23008902e8e79c7b4512777d594d0b5e9d03a8bf37
sha512
869a8666ed77aab017551d5b24d4761e04cc04b1080a9616b1b54fe0d3a339887602a4d7c27674b136171f64c81304f501988f69e58f2fb1834d3b9356695ffa
ripemd-160
0a62dc163e1231c250ead8ecef745afe43caccbf
Diameter
2562586
Circumference
8050601.3517921
Area
5157589578920.8
Volume
8.8111778991256E+18
Surface area
20630358315683
Circumference
8050601.3517921
Perimeter
5125172
Area
1641711751849
Diagonal
1812021.9379737
Surface area
9850270511094
Volume
2103513775661860757
Space diagonal
2219264.5753823
Perimeter
3843879
Area
710882041396.34
Altitude
1109632.2876912
Surface area
710882041396.34
Volume
2.479014758483E+17
Height
604007.3126579