1979991 is an odd 7-digits composite number following 1979990
and preceding 1979992 . In scientific notation, it is written as 1.979991 × 10^6.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1218240 positive integers (up to 1979991) that are relatively prime to 1979991.
1979991 has 8 divisors, whose sum is 2211664
The reverse of 1979991 is 1999791
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 45
Digital Root 9
Name
one million nine hundred seventy-nine thousand nine hundred ninety-one
Scientific notation
1.979991 × 10^6
Engineering notation
1.979991 × 10^6
Prime Factorization
27 × 13 × 5641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1979991
Product of the distinct prime numbers
The prime factorization of 1979991 is 27 × 13 × 5641.
Since it has a total of 3 prime factors.
2 , 3 , 41 , 33 , 842 , 608 , 6771 , 1692 , 4368 , 52507 , 700691 , 330680 , 585552 , 3552917 , 24868135 , 35514828 , 449078382 , 743007887 , 5223110401 , 9452478751
n×2
3959982
n×3
5939973
n×4
7919964
n×5
9899955
n÷2
989995.5
n÷3
659997
n÷3
494997.75
n÷5
395998.2
n2
3920364360081
n3
7762286149681139271
n4
1.5369256715793E+25
n5
3.043098997396E+31
2 √n
1407.1215299326
3 √n
125.57053330543
4 √n
37.511618599211
5 √n
18.16906770365
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1979990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1979991 can be divided by 8 positive divisors.
The sum of these divisors (counting 1979991) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100011011001010111
3
Ternary
10201121001000
4
Quaternary
13203121113
5
Quinary
1001324431
6
Senary
110234343
8
Octal
7433127
10
Decimal
1979991
12
Duodecimal
7b59b3
16
Hexadecimal
1e3657
20
Vigesimal
c79jb
36
Base36
16frr
md5
38cdf43754305f3d1cf98b3ad350af2c
sha1
ab898783929385955a4c24a9076c349235b8c12f
sha256
a4390e2f7e98951e70d515e15c77a127c51a1e1dc6f17b66e405b583b4997b90
sha512
109e0550dbde9995ab40b85008500ae8065c1e2748cc269e53f5b653698fe4f84fab670d1860c7dd4704b85f469917f5c6664c58dc66752ef653cee3dba6f336
ripemd-160
4d3a1a27234f4bb299b778a0971dc1312b4d286a
Diameter
3959982
Circumference
12440650.359548
Area
12316187873026
Volume
3.2514588190533E+19
Surface area
49264751492103
Circumference
12440650.359548
Perimeter
7919964
Area
3920364360081
Diagonal
2800130.1255767
Surface area
23522186160486
Volume
7762286149681139271
Space diagonal
3429445.0105291
Perimeter
5939973
Area
1697567563960.6
Altitude
1714722.5052646
Surface area
1697567563960.6
Volume
9.1479419565833E+17
Height
933376.70852556