1998979 is an odd 7-digits composite number following 1998978
and preceding 1998980 . In scientific notation, it is written as 1.998979 × 10^6.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1848576 positive integers (up to 1998979) that are relatively prime to 1998979.
1998979 has 8 divisors, whose sum is 2153520
The reverse of 1998979 is 9798991
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 52
Digital Root 7
Name
one million nine hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
1.998979 × 10^6
Engineering notation
1.998979 × 10^6
Prime Factorization
17 × 59 × 1993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998979
Product of the distinct prime numbers
The prime factorization of 1998979 is 17 × 59 × 1993.
Since it has a total of 3 prime factors.
1 , 4 , 79 , 92 , 337 , 143 , 5881 , 9203 , 56518 , 17103 , 386264 , 403872 , 6180367 , 4126789 , 78253745 , 51914342 , 520998978 , 527732033 , 3556577929 , 44083242
n×2
3997958
n×3
5996937
n×4
7995916
n×5
9994895
n÷2
999489.5
n÷3
666326.33333333
n÷3
499744.75
n÷5
399795.8
n2
3995917042441
n3
7987754253581667739
n4
1.596735301007E+25
n5
3.1918403352718E+31
2 √n
1413.8525382797
3 √n
125.9706616836
4 √n
37.601230542094
5 √n
18.203782854527
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
-1998978
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 1998979 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998979) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000000010000011
3
Ternary
10202120002021
4
Quaternary
13220002003
5
Quinary
1002431404
6
Senary
110502311
8
Octal
7500203
10
Decimal
1998979
12
Duodecimal
804997
16
Hexadecimal
1e8083
20
Vigesimal
c9h8j
36
Base36
16uf7
md5
9cc288cfaaf46c8bbfea1ba54f56c1f0
sha1
cc537f681e468d3c20fc0586f21422b46fe84e1e
sha256
e58437257b870288a513cbb0525ccc44a4ee9a526dcb54885c7bafaea189b44e
sha512
365133a45044219768b06066850c50a6e75f41fab732edf1f9a17841d39dcb9cdfb8615f67206466851250e2cc4af210c8917fe437be2be976948a4bdccb395f
ripemd-160
64adfe88b2ee0ee57170421ddfd03a4065c36d65
Diameter
3997958
Circumference
12559955.482161
Area
12553543624887
Volume
3.3459026775644E+19
Surface area
50214174499548
Circumference
12559955.482161
Perimeter
7995916
Area
3995917042441
Diagonal
2826983.212699
Surface area
23975502254646
Volume
7987754253581667739
Space diagonal
3462333.1912632
Perimeter
5996937
Area
1730282835084.5
Altitude
1731166.5956316
Surface area
1730282835084.5
Volume
9.4136586652655E+17
Height
942327.73756634