2858 is an even 4-digits composite number following 2857
and preceding 2859 . In scientific notation, it is written as 2.858 × 10^3.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 1428 positive integers (up to 2858) that are relatively prime to 2858.
2858 has 4 divisors, whose sum is 4290
The reverse of 2858 is 8582
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 23
Digital Root 5
Name
two thousand eight hundred fifty-eight
Scientific notation
2.858 × 10^3
Engineering notation
2.858 × 10^3
Prime Factorization
2 × 1429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2858
Product of the distinct prime numbers
The prime factorization of 2858 is 2 × 1429.
Since it has a total of 2 prime factors.
9 , 7 , 34 , 71 , 258 , 45 , 7976 , 4453 , 49729 , 41012 , 536083 , 196385 , 5958271 , 3554860 , 33523821 , 37056574 , 727680408 , 603215228 , 7505576066 , 6137866791
n×2
5716
n×3
8574
n×4
11432
n×5
14290
n÷2
1429
n÷3
952.66666666667
n÷3
714.5
n÷5
571.6
n2
8168164
n3
23344612712
n4
66718903130896
n5
190682625148100768
2 √n
53.460265618495
3 √n
14.191252961241
4 √n
7.3116527282479
5 √n
4.9114807349991
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
-2857
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 2858 can be divided by 4 positive divisors.
The sum of these divisors (counting 2858) is 1, the average is 0.25.
Base
System
Value
2
Binary
101100101010
3
Ternary
10220212
4
Quaternary
230222
5
Quinary
42413
6
Senary
21122
8
Octal
5452
10
Decimal
2858
12
Duodecimal
17a2
16
Hexadecimal
b2a
20
Vigesimal
72i
36
Base36
27e
md5
42a6845a557bef704ad8ac9cb4461d43
sha1
aec0f8f62c9a2434e6aaea6d069047b6de20ca73
sha256
cf46eed0371a59efdb771a028fc3c507938b2fa2502d76d73d661cffa845241a
sha512
c861c84c171afa8c5e54c282dad453f8b48bb5f543f8dbe2f4c5402e6d8865d6bf7e1458d43280389d98eed4f569cd76254a706e1dc209af301347e89952379c
ripemd-160
de2fa10ffaad4f74a1677b5655077be6fe7711dd
Diameter
5716
Circumference
17957.343607919
Area
25661044.015717
Volume
97785685062.557
Surface area
102644176.06287
Circumference
17957.343607919
Perimeter
11432
Area
8168164
Diagonal
4041.8223612623
Surface area
49008984
Volume
23344612712
Space diagonal
4950.2012080319
Perimeter
8574
Area
3536918.7631388
Altitude
2475.1006040159
Surface area
3536918.7631388
Volume
2751188992.1381
Height
1347.2741204208