1989997 is an odd 7-digits composite number following 1989996
and preceding 1989998 . In scientific notation, it is written as 1.989997 × 10^6.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1943676 positive integers (up to 1989997) that are relatively prime to 1989997.
1989997 has 4 divisors, whose sum is 2036320
The reverse of 1989997 is 7999891
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 52
Digital Root 7
Name
one million nine hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
1.989997 × 10^6
Engineering notation
1.989997 × 10^6
Prime Factorization
43 × 46279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1989997
Product of the distinct prime numbers
The prime factorization of 1989997 is 43 × 46279.
Since it has a total of 2 prime factors.
10 , 4 , 52 , 66 , 732 , 972 , 1939 , 6779 , 76499 , 86771 , 44810 , 483495 , 3889261 , 77582 , 73138099 , 16271859 , 515513735 , 368790509 , 1384343320 , 4756949737
n×2
3979994
n×3
5969991
n×4
7959988
n×5
9949985
n÷2
994998.5
n÷3
663332.33333333
n÷3
497499.25
n÷5
397999.4
n2
3960088060009
n3
7880563359153729973
n4
1.5682297443026E+25
n5
3.1207724864729E+31
2 √n
1410.6725346444
3 √n
125.7817039874
4 √n
37.55892083972
5 √n
18.187394383687
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
-1989996
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 1989997 can be divided by 4 positive divisors.
The sum of these divisors (counting 1989997) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100101110101101101
3
Ternary
10202002202121
4
Quaternary
13211311231
5
Quinary
1002134442
6
Senary
110352541
8
Octal
7456555
10
Decimal
1989997
12
Duodecimal
7bb751
16
Hexadecimal
1e5d6d
20
Vigesimal
c8ejh
36
Base36
16nhp
md5
e7ef258ce34530bea8e0e2616366ad22
sha1
173cf499110c47595cdee42662d3cecee6949653
sha256
805057b76072c423a242209cd9dbb6e8cdc86ddb030a093191937fb22868a348
sha512
e568b1ec9c8ed2628019bc4cbaf6e7927565f831aabbecb6c452eda9a1696fdc87ec1b67ed07a6283c507fad74ae75aaa299b6a6c5b0acad8fc8f0edb8186b3b
ripemd-160
fea380bfb74e4c695b3ddf88aec50d3c2f13fb14
Diameter
3979994
Circumference
12503519.911731
Area
12440983556893
Volume
3.3010026607022E+19
Surface area
49763934227572
Circumference
12503519.911731
Perimeter
7959988
Area
3960088060009
Diagonal
2814280.7464818
Surface area
23760528360054
Volume
7880563359153729973
Space diagonal
3446775.9109096
Perimeter
5969991
Area
1714768430595.6
Altitude
1723387.9554548
Surface area
1714768430595.6
Volume
9.2873329847131E+17
Height
938093.58216059