6981639 is an odd 7-digits composite number following 6981638
and preceding 6981640 . In scientific notation, it is written as 6.981639 × 10^6.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 3972960 positive integers (up to 6981639) that are relatively prime to 6981639.
6981639 has 16 divisors, whose sum is 10682880
The reverse of 6981639 is 9361896
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
six million nine hundred eighty-one thousand six hundred thirty-nine
Scientific notation
6.981639 × 10^6
Engineering notation
6.981639 × 10^6
Prime Factorization
3 × 7 × 311 × 1069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6981639
Product of the distinct prime numbers
The prime factorization of 6981639 is 3 × 7 × 311 × 1069.
Since it has a total of 4 prime factors.
10 , 1 , 45 , 8 , 785 , 536 , 8151 , 4308 , 36617 , 62744 , 847498 , 953760 , 3833300 , 9434923 , 27139064 , 73082228 , 339860833 , 112633249 , 7867609278 , 4413196799
n×2
13963278
n×3
20944917
n×4
27926556
n×5
34908195
n÷2
3490819.5
n÷3
2327213
n÷3
1745409.75
n÷5
1396327.8
n2
48743283126321
n3
3.4030800646276E+20
n4
2.3759076499327E+27
n5
1.6587729509168E+34
2 √n
2642.2791298423
3 √n
191.12571787832
4 √n
51.403104282157
5 √n
23.377145386074
1 , 3 , 7 , 21 , 311 , 933 , 1069 , 2177 , 3207 , 6531 , 7483 , 22449 , 332459 , 997377 , 2327213 , 6981639
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6981638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6981639 can be divided by 16 positive divisors.
The sum of these divisors (counting 6981639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11010101000100000000111
3
Ternary
111010201000020
4
Quaternary
122220200013
5
Quinary
3241403024
6
Senary
405350223
8
Octal
32504007
10
Decimal
6981639
12
Duodecimal
2408373
16
Hexadecimal
6a8807
20
Vigesimal
23ce1j
36
Base36
45n2f
md5
cce9f829496039ce9144a689e8d1d4ef
sha1
73b0fa4114bdfe99381bafc0d6a722555f359248
sha256
fd560b7b4cf920c086bd80fa5415e1aa09d6eac2826c23737cb8b78ed857af86
sha512
bc3b12d19d9fa01b0fed76c4db43727561bef0714c27e01059cb536a8793d2ddbd6d42c63113fcb18344d78c246b843e20d7db60c43b00d6252e76563585068b
ripemd-160
0b2459818b18f4ba12065bea5cc7a372f94ebbd0
Diameter
13963278
Circumference
43866931.584832
Area
1.531315401815E+14
Volume
1.4254788440816E+21
Surface area
6.1252616072599E+14
Circumference
43866931.584832
Perimeter
27926556
Area
48743283126321
Diagonal
9873528.5613929
Surface area
292459698757926
Volume
3.4030800646276E+20
Space diagonal
12092553.468104
Perimeter
20944917
Area
21106460725626
Altitude
6046276.7340522
Surface area
21106460725626
Volume
4.0105683176983E+19
Height
3291176.187131