2155251 is an odd 7-digits composite number following 2155250
and preceding 2155252 . In scientific notation, it is written as 2.155251 × 10^6.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 1188768 positive integers (up to 2155251) that are relatively prime to 2155251.
2155251 has 16 divisors, whose sum is 3398400
The reverse of 2155251 is 1525512
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
two million one hundred fifty-five thousand two hundred fifty-one
Scientific notation
2.155251 × 10^6
Engineering notation
2.155251 × 10^6
Prime Factorization
3 × 7 × 29 × 3539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2155251
Product of the distinct prime numbers
The prime factorization of 2155251 is 3 × 7 × 29 × 3539.
Since it has a total of 4 prime factors.
8 , 3 , 85 , 53 , 245 , 404 , 3394 , 6544 , 78118 , 85050 , 115365 , 88243 , 4747800 , 3353597 , 80284215 , 81416612 , 448233681 , 829818988 , 5943184617 , 7333200023
n×2
4310502
n×3
6465753
n×4
8621004
n×5
10776255
n÷2
1077625.5
n÷3
718417
n÷3
538812.75
n÷5
431050.2
n2
4645106873001
n3
1.0011371233142E+19
n4
2.1577017861601E+25
n5
4.6503889323234E+31
2 √n
1468.0773140404
3 √n
129.17127660735
4 √n
38.315497048066
5 √n
18.479898053468
1 , 3 , 7 , 21 , 29 , 87 , 203 , 609 , 3539 , 10617 , 24773 , 74319 , 102631 , 307893 , 718417 , 2155251
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155251 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155251) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001110001011110011
3
Ternary
11001111110010
4
Quaternary
20032023303
5
Quinary
1022432001
6
Senary
114110003
8
Octal
10161363
10
Decimal
2155251
12
Duodecimal
87b303
16
Hexadecimal
20e2f3
20
Vigesimal
d982b
36
Base36
1a703
md5
e004dcb7969caaa3e0653564e4a5cf22
sha1
6b701506ec36db79838e0e45534fe2da4868c6e8
sha256
65d66678702e45e00f95c73fda9ac9cdfadc206d069399f68b33aa65b54a3d06
sha512
dc426eb8f47abe356e93274e70efe1357c2b2773c9b7a1dea7e87c2dec84c88ba13d382229ffb9b86c371f2ff7ec3d84fecb7fb0343eb08ad2b89a4045817236
ripemd-160
a076cc69033adfde2c3ce68ac86143acd161acbf
Diameter
4310502
Circumference
13541841.416484
Area
14593033627359
Volume
4.1935533757867E+19
Surface area
58372134509438
Circumference
13541841.416484
Perimeter
8621004
Area
4645106873001
Diagonal
3047985.1945182
Surface area
27870641238006
Volume
1.0011371233142E+19
Space diagonal
3733004.2350636
Perimeter
6465753
Area
2011390277656.3
Altitude
1866502.1175318
Surface area
2011390277656.3
Volume
1.1798514146551E+18
Height
1015995.0648394