2147989 is an odd 7-digits prime number following 2147988
and preceding 2147990 . In scientific notation, it is written as 2.147989 × 10^6.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 2147988 positive integers (up to 2147989) that are relatively prime to 2147989.
2147989 has 2 divisors, whose sum is 2147990
The reverse of 2147989 is 9897412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4
Name
two million one hundred forty-seven thousand nine hundred eighty-nine
Scientific notation
2.147989 × 10^6
Engineering notation
2.147989 × 10^6
Prime Factorization
2147989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2147989
Product of the distinct prime numbers
The prime factorization of 2147989 is 2147989.
Since it has a total of 1 prime factors.
8 , 9 , 46 , 6 , 336 , 222 , 8289 , 3607 , 63920 , 52405 , 996575 , 45760 , 1938140 , 2947191 , 79572153 , 41961201 , 124993939 , 95676120 , 5612597124 , 8255987696
n×2
4295978
n×3
6443967
n×4
8591956
n×5
10739945
n÷2
1073994.5
n÷3
715996.33333333
n÷3
536997.25
n÷5
429597.8
n2
4613856744121
n3
9.9105135339477E+18
n4
2.1287674055271E+25
n5
4.5725689706307E+31
2 √n
1465.6019241254
3 √n
129.02603484704
4 √n
38.283180694992
5 √n
18.467427834511
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2147990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1073995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1465.6022652821
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999068897
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2147989 can be divided by 2 positive divisors.
The sum of these divisors (counting 2147989) is 2147990, the average is 1073995.
Base
System
Value
2
Binary
1000001100011010010101
3
Ternary
11001010111011
4
Quaternary
20030122111
5
Quinary
1022213424
6
Senary
114012221
8
Octal
10143225
10
Decimal
2147989
12
Duodecimal
877071
16
Hexadecimal
20c695
20
Vigesimal
d89j9
36
Base36
1a1ed
md5
6127bd1cf99fddd25bb585076e9010a9
sha1
9c5846fdeeb2e3c597dcc3de3e7ce69dfe8bb286
sha256
8cc58201f2da76749ef241a2af50b8bae2c335ac90aec183e72b71efb21f82a4
sha512
9821c2f6e39296368724a80a6e2f2f67f53a862e435e31c3711362b5f110e34955bf25ab74f742aba8f22562f0ac66caea0d0e4b974838bec89ddb646d7bdf10
ripemd-160
a891029858cb8e9c85bc6a53a534327d998136b9
Diameter
4295978
Circumference
13496212.924783
Area
14494858452046
Volume
4.1513062015403E+19
Surface area
57979433808185
Circumference
13496212.924783
Perimeter
8591956
Area
4613856744121
Diagonal
3037715.1756282
Surface area
27683140464726
Volume
9.9105135339477E+18
Space diagonal
3720426.0820991
Perimeter
6443967
Area
1997858574915.5
Altitude
1860213.0410495
Surface area
1997858574915.5
Volume
1.1679652208159E+18
Height
1012571.7252094