2155247 is an odd 7-digits composite number following 2155246
and preceding 2155248 . In scientific notation, it is written as 2.155247 × 10^6.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 2102640 positive integers (up to 2155247) that are relatively prime to 2155247.
2155247 has 4 divisors, whose sum is 2207856
The reverse of 2155247 is 7425512
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
two million one hundred fifty-five thousand two hundred forty-seven
Scientific notation
2.155247 × 10^6
Engineering notation
2.155247 × 10^6
Prime Factorization
41 × 52567
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155247
Product of the distinct prime numbers
The prime factorization of 2155247 is 41 × 52567.
Since it has a total of 2 prime factors.
7 , 8 , 23 , 90 , 846 , 487 , 4901 , 2310 , 7995 , 31766 , 670058 , 757736 , 1545856 , 6370297 , 29343957 , 87949772 , 264584179 , 216662046 , 5727707412 , 4052193993
n×2
4310494
n×3
6465741
n×4
8620988
n×5
10776235
n÷2
1077623.5
n÷3
718415.66666667
n÷3
538811.75
n÷5
431049.4
n2
4645089631009
n3
1.0011315491963E+19
n4
2.1576857680107E+25
n5
4.6503457784478E+31
2 √n
1468.0759517137
3 √n
129.17119669625
4 √n
38.315479270312
5 √n
18.479891193975
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
-2155246
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 2155247 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110001011101111
3
Ternary
11001111102222
4
Quaternary
20032023233
5
Quinary
1022431442
6
Senary
114105555
8
Octal
10161357
10
Decimal
2155247
12
Duodecimal
87b2bb
16
Hexadecimal
20e2ef
20
Vigesimal
d9827
36
Base36
1a6zz
md5
c4cf50127e62592f3f4a044d61923781
sha1
f81b42a0af644c550d78ffa61a0c93cb0492af96
sha256
46081e83940ffb9ff30ed6722a74b3cbd1777867ad59c1d1de4916feb6bdcc50
sha512
9aa1cbdec33929552c7462631a33b4334bea50196ed20969a6f09ffd721922080f3231aafcf37713c3255789b8472eeabb7f40a519cdd3553716af19c04729c1
ripemd-160
cfba97d70cf3550c14f9ad1b73b5f0b7cf84c2a8
Diameter
4310494
Circumference
13541816.283743
Area
14592979460044
Volume
4.1935300269762E+19
Surface area
58371917840176
Circumference
13541816.283743
Perimeter
8620988
Area
4645089631009
Diagonal
3047979.5376639
Surface area
27870537786054
Volume
1.0011315491963E+19
Space diagonal
3732997.3068604
Perimeter
6465741
Area
2011382811654.7
Altitude
1866498.6534302
Surface area
2011382811654.7
Volume
1.1798448454942E+18
Height
1015993.1792213