12985893 is an odd 8-digits composite number following 12985892
and preceding 12985894 . In scientific notation, it is written as 1.2985893 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 8657244 positive integers (up to 12985893) that are relatively prime to 12985893.
12985893 has 4 divisors, whose sum is 13466880
The reverse of 12985893 is 39858921
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million nine hundred eighty-five thousand eight hundred ninety-three
Scientific notation
1.2985893 × 10^7
Engineering notation
1.2985893 × 10^6
Prime Factorization
27 × 480959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12985893
Product of the distinct prime numbers
The prime factorization of 12985893 is 27 × 480959.
Since it has a total of 2 prime factors.
2 , 1 , 79 , 56 , 768 , 94 , 239 , 2235 , 44774 , 18898 , 812647 , 598491 , 5385713 , 9534885 , 9298053 , 78326712 , 893850081 , 570535452 , 9661152763 , 4199579142
n×2
25971786
n×3
38957679
n×4
51943572
n×5
64929465
n÷2
6492946.5
n÷3
4328631
n÷3
3246473.25
n÷5
2597178.6
n2
168633417007449
n3
2.1898555094831E+21
n4
2.8437229331608E+28
n5
3.6928281731673E+35
2 √n
3603.5944555402
3 √n
235.04838599268
4 √n
60.029946322983
5 √n
26.466369047757
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
-12985892
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 12985893 can be divided by 4 positive divisors.
The sum of these divisors (counting 12985893) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100010011000100101
3
Ternary
220102202022000
4
Quaternary
301202120211
5
Quinary
11311022033
6
Senary
1142155513
8
Octal
61423045
10
Decimal
12985893
12
Duodecimal
4422b99
16
Hexadecimal
c62625
20
Vigesimal
4134ed
36
Base36
7qbz9
md5
612f285da7fd724ff9cb4ee74aacba50
sha1
99d3768c6f1834f7013991911da6b52f61e38d2d
sha256
acd41e6dadaf35825646a819666db73eae099583c1212285ef4b8f0ad81567c1
sha512
4ae402069784ff8ead76c8bc7f7443790997c30589469c23b00338ee403978ad149242dfe9d665a5b8ce4af993b1f3ab1350d0b2014db4d2e10efe7357db7997
ripemd-160
c27025a731ab70202d14fa622103c5c729470cd4
Diameter
25971786
Circumference
81592772.098206
Area
5.2977750402035E+14
Volume
9.1728453080204E+21
Surface area
2.1191100160814E+15
Circumference
81592772.098206
Perimeter
51943572
Area
168633417007449
Diagonal
18364826.000126
Surface area
1011800502044694
Volume
2.1898555094831E+21
Space diagonal
22492226.457653
Perimeter
38957679
Area
73020411527713
Altitude
11246113.228827
Surface area
73020411527713
Volume
2.5807694676237E+20
Height
6121608.6667086