2156888 is an even 7-digits composite number following 2156887
and preceding 2156889 . In scientific notation, it is written as 2.156888 × 10^6.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 1057888 positive integers (up to 2156888) that are relatively prime to 2156888.
2156888 has 16 divisors, whose sum is 4121280
The reverse of 2156888 is 8886512
Previous prime number is 53
Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2
Name
two million one hundred fifty-six thousand eight hundred eighty-eight
Scientific notation
2.156888 × 10^6
Engineering notation
2.156888 × 10^6
Prime Factorization
2 × 2 × 2 × 53 × 5087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
539222
Product of the distinct prime numbers
The prime factorization of 2156888 is 2 × 2 × 2 × 53 × 5087.
Since it has a total of 5 prime factors.
8 , 6 , 34 , 4 , 806 , 763 , 8689 , 3240 , 44517 , 96117 , 858265 , 343329 , 2859148 , 6552120 , 88283299 , 57148947 , 469891407 , 28353259 , 9685645295 , 4555832605
n×2
4313776
n×3
6470664
n×4
8627552
n×5
10784440
n÷2
1078444
n÷3
718962.66666667
n÷3
539222
n÷5
431377.6
n2
4652165844544
n3
1.0034200684107E+19
n4
2.1642647045142E+25
n5
4.6680765699902E+31
2 √n
1468.6347401584
3 √n
129.20397192785
4 √n
38.322770517779
5 √n
18.482704446447
1 , 2 , 4 , 8 , 53 , 106 , 212 , 424 , 5087 , 10174 , 20348 , 40696 , 269611 , 539222 , 1078444 , 2156888
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
-2156887
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 2156888 can be divided by 16 positive divisors.
The sum of these divisors (counting 2156888) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001110100101011000
3
Ternary
11001120200202
4
Quaternary
20032211120
5
Quinary
1023010023
6
Senary
114121332
8
Octal
10164530
10
Decimal
2156888
12
Duodecimal
880248
16
Hexadecimal
20e958
20
Vigesimal
d9c48
36
Base36
1a89k
md5
0513775062c0bec7e4db31a5f7479a18
sha1
1690efb2b5a3be284b66c2bee8cbc5bcc76dfbeb
sha256
01fed48b614038e71f308252611a26e0ef64baec55df54dacc3f0655656bebea
sha512
a2c3816619677c0bd714f7eefe0d182e0264ae8a929bc03385ebf75d91853399c08b3ee7a41996a9a5c6a63cceeda6f320b6ac175b94b477a05c31d8c7464f76
ripemd-160
90870b2f4ff4449a0d8632dd0cfd79d930688ef9
Diameter
4313776
Circumference
13552126.990832
Area
14615210040501
Volume
4.2031161538448E+19
Surface area
58460840162003
Circumference
13552126.990832
Perimeter
8627552
Area
4652165844544
Diagonal
3050300.2621198
Surface area
27912995067264
Volume
1.0034200684107E+19
Space diagonal
3735839.6022356
Perimeter
6470664
Area
2014446901996.7
Altitude
1867919.8011178
Surface area
2014446901996.7
Volume
1.1825418912531E+18
Height
1016766.7540399