2155479 is an odd 7-digits composite number following 2155478
and preceding 2155480 . In scientific notation, it is written as 2.155479 × 10^6.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 1436984 positive integers (up to 2155479) that are relatively prime to 2155479.
2155479 has 4 divisors, whose sum is 2873976
The reverse of 2155479 is 9745512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
two million one hundred fifty-five thousand four hundred seventy-nine
Scientific notation
2.155479 × 10^6
Engineering notation
2.155479 × 10^6
Prime Factorization
3 × 718493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155479
Product of the distinct prime numbers
The prime factorization of 2155479 is 3 × 718493.
Since it has a total of 2 prime factors.
5 , 10 , 41 , 82 , 408 , 316 , 7950 , 3203 , 61846 , 37335 , 84761 , 776973 , 7474584 , 4662877 , 36813989 , 72436643 , 405314374 , 479656936 , 2485091220 , 1092606557
n×2
4310958
n×3
6466437
n×4
8621916
n×5
10777395
n÷2
1077739.5
n÷3
718493
n÷3
538869.75
n÷5
431095.8
n2
4646089719441
n3
1.0014548822371E+19
n4
2.1586149681095E+25
n5
4.6528492328458E+31
2 √n
1468.1549645729
3 √n
129.17583137655
4 √n
38.316510339185
5 √n
18.480289027742
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
-2155478
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 2155479 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155479) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110001111010111
3
Ternary
11001111202120
4
Quaternary
20032033113
5
Quinary
1022433404
6
Senary
114111023
8
Octal
10161727
10
Decimal
2155479
12
Duodecimal
87b473
16
Hexadecimal
20e3d7
20
Vigesimal
d98dj
36
Base36
1a76f
md5
5f09ddfea6b242b47de556a0131fc6ae
sha1
2094fd200797b5fb026b6e653d455030c937d7dd
sha256
dc12299c9e35a736ec6f5a5c477f929acbd68fe18930beac4d8d1bcf3cd3f821
sha512
084de6f4d9dd7a642cf5683a27cf6295e461b478f6578d51b782c98993ad303e42ba258aca9167b1f2e5fd4cc71d6bf887e528f86c76d7cf0e436a1e6761b983
ripemd-160
8c612bc29ea95a1b4b896eaaa33392d8af8924d0
Diameter
4310958
Circumference
13543273.982734
Area
14596121330515
Volume
4.1948844012503E+19
Surface area
58384485322060
Circumference
13543273.982734
Perimeter
8621916
Area
4646089719441
Diagonal
3048307.6352104
Surface area
27876538316646
Volume
1.0014548822371E+19
Space diagonal
3733399.1426478
Perimeter
6466437
Area
2011815862648.8
Altitude
1866699.5713239
Surface area
2011815862648.8
Volume
1.180225897137E+18
Height
1016102.5450701