2155999 is an odd 7-digits prime number following 2155998
and preceding 2156000 . In scientific notation, it is written as 2.155999 × 10^6.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 2155998 positive integers (up to 2155999) that are relatively prime to 2155999.
2155999 has 2 divisors, whose sum is 2156000
The reverse of 2155999 is 9995512
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 fifty-five thousand nine hundred ninety-nine
Scientific notation
2.155999 × 10^6
Engineering notation
2.155999 × 10^6
Prime Factorization
2155999
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2155999
Product of the distinct prime numbers
The prime factorization of 2155999 is 2155999.
Since it has a total of 1 prime factors.
9 , 5 , 25 , 53 , 779 , 727 , 602 , 9123 , 39262 , 37577 , 890789 , 568386 , 8508983 , 3894539 , 61550371 , 96725799 , 545208719 , 233404279 , 9744695071 , 2476383857
n×2
4311998
n×3
6467997
n×4
8623996
n×5
10779995
n÷2
1077999.5
n÷3
718666.33333333
n÷3
538999.75
n÷5
431199.8
n2
4648331688001
n3
1.0021798470998E+19
n4
2.1606987481674E+25
n5
4.6584643403502E+31
2 √n
1468.3320469158
3 √n
129.18621824515
4 √n
38.318821053313
5 √n
18.481180599694
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2156000
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1078000
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1468.3323874382
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999990723562
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155999 can be divided by 2 positive divisors.
The sum of these divisors (counting 2155999) is 2156000, the average is 1078000.
Base
System
Value
2
Binary
1000001110010111011111
3
Ternary
11001112110211
4
Quaternary
20032113133
5
Quinary
1022442444
6
Senary
114113251
8
Octal
10162737
10
Decimal
2155999
12
Duodecimal
87b827
16
Hexadecimal
20e5df
20
Vigesimal
d99jj
36
Base36
1a7kv
md5
8153a85f3ce71c59ef8c661371c363d2
sha1
25d99ceb13e4a4792f0711522a66583247578592
sha256
44e60311b18a2184cbfcf55b6827de4092f8106f0e2c13349c0ba783fc90f7bf
sha512
16e84683cad1bd06b5303f178fcb470ddbc73d2444f863c935bef06b85a777cca5a6281fac9465b4f2fbbb1f33e3658e0a06060fb08b8a6b1b167c614e950f8f
ripemd-160
240373bda3f58d05dbfc4db67343ab92f4618532
Diameter
4311998
Circumference
13546541.239094
Area
14603164682473
Volume
4.1979211269662E+19
Surface area
58412658729890
Circumference
13546541.239094
Perimeter
8623996
Area
4648331688001
Diagonal
3049043.0262628
Surface area
27889990128006
Volume
1.0021798470998E+19
Space diagonal
3734299.8090677
Perimeter
6467997
Area
2012786663512.5
Altitude
1867149.9045338
Surface area
2012786663512.5
Volume
1.1810802764213E+18
Height
1016347.6754209