12977891 is an odd 8-digits composite number following 12977890
and preceding 12977892 . In scientific notation, it is written as 1.2977891 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 12831984 positive integers (up to 12977891) that are relatively prime to 12977891.
12977891 has 4 divisors, whose sum is 13123800
The reverse of 12977891 is 19877921
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million nine hundred seventy-seven thousand eight hundred ninety-one
Scientific notation
1.2977891 × 10^7
Engineering notation
1.2977891 × 10^6
Prime Factorization
89 × 145819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12977891
Product of the distinct prime numbers
The prime factorization of 12977891 is 89 × 145819.
Since it has a total of 2 prime factors.
8 , 1 , 99 , 59 , 319 , 448 , 8652 , 7870 , 12919 , 54046 , 256420 , 780286 , 9827343 , 6458926 , 67186674 , 84990561 , 354374017 , 437864166 , 2046428092 , 3027603999
n×2
25955782
n×3
38933673
n×4
51911564
n×5
64889455
n÷2
6488945.5
n÷3
4325963.6666667
n÷3
3244472.75
n÷5
2595578.2
n2
168425654807881
n3
2.1858097897003E+21
n4
2.8367201197463E+28
n5
3.6814644511575E+35
2 √n
3602.4840041283
3 √n
235.00009657458
4 √n
60.020696464872
5 √n
26.463106490372
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
-12977890
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 12977891 can be divided by 4 positive divisors.
The sum of these divisors (counting 12977891) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100000011011100011
3
Ternary
220102100022122
4
Quaternary
301200123203
5
Quinary
11310243031
6
Senary
1142054455
8
Octal
61403343
10
Decimal
12977891
12
Duodecimal
441a42b
16
Hexadecimal
c606e3
20
Vigesimal
4124eb
36
Base36
7q5sz
md5
fe3c37f1ed09f88190bfe169c04edf72
sha1
cc96035c5ff0dcd74b47ddf90a35da81004b1bf1
sha256
a9dcaf403ff436b6b55a6154a4d1e694ab82371aeac1143dc069536d8864cff3
sha512
e5adab81a331d1bf17bb2733aee923b51bc6e41199eca6f10a1eca6da1ecdbb0c19e660bbc87bb7d5b4fb07c618f4f642e465b462aa94b84a0006062b4376bf0
ripemd-160
f9556a6899f646566f0bcfd97848b7a867f6bcea
Diameter
25955782
Circumference
81542494.049378
Area
5.2912479982049E+14
Volume
9.1558986366228E+21
Surface area
2.116499199282E+15
Circumference
81542494.049378
Perimeter
51911564
Area
168425654807881
Diagonal
18353509.4632
Surface area
1010553928847286
Volume
2.1858097897003E+21
Space diagonal
22478366.587091
Perimeter
38933673
Area
72930447856327
Altitude
11239183.293545
Surface area
72930447856327
Volume
2.576001541135E+20
Height
6117836.4877332