28997070 is an even 8-digits composite number following 28997069
and preceding 28997071 . In scientific notation, it is written as 2.8997070 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7277568 positive integers (up to 28997070) that are relatively prime to 28997070.
28997070 has 16 divisors, whose sum is 49125312
The reverse of 28997070 is 07079982
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred ninety-seven thousand seventy
Scientific notation
2.8997070 × 10^7
Engineering notation
2.8997070 × 10^6
Prime Factorization
2 × 15 × 17 × 56857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28997070
Product of the distinct prime numbers
The prime factorization of 28997070 is 2 × 15 × 17 × 56857.
Since it has a total of 4 prime factors.
1 , 7 , 50 , 100 , 720 , 985 , 4533 , 1790 , 52710 , 80507 , 917957 , 134796 , 7510309 , 5566409 , 75926735 , 50263473 , 196548111 , 693002839 , 9422472133 , 9274705398
n×2
57994140
n×3
86991210
n×4
115988280
n×5
144985350
n÷2
14498535
n÷3
9665690
n÷3
7249267.5
n÷5
5799414
n2
840830068584900
n3
2.4381608356861E+22
n4
7.0699520423649E+29
n5
2.050078942691E+37
2 √n
5384.8927565923
3 √n
307.22133522205
4 √n
73.38182851764
5 √n
31.079271001455
1 , 2 , 15 , 17 , 30 , 34 , 255 , 510 , 56857 , 113714 , 852855 , 966569 , 1705710 , 1933138 , 14498535 , 28997070
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
-28997069
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 28997070 can be divided by 16 positive divisors.
The sum of these divisors (counting 28997070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100111010111001110
3
Ternary
2000120012111120
4
Quaternary
1232213113032
5
Quinary
24410401240
6
Senary
2513301410
8
Octal
156472716
10
Decimal
28997070
12
Duodecimal
9864866
16
Hexadecimal
1ba75ce
20
Vigesimal
914cda
36
Base36
h9ia6
md5
f2d22162418b987b321b5689fb72338e
sha1
30d53dbdbecabb369097ed29bfd3a271691567d1
sha256
61110904e6bc06ebb8b9469e3aa5a0f4beb97e056517bc2a4820e9add32530a8
sha512
0b98968f9db441215aed635f42da088a397d25f85a984090b2a753be3f0168b5901286f8f2584cecee7ec7e0c8b0e352c80ecc116f7f819749cbe9e6b565bed0
ripemd-160
a6f37769efee4aae0b24b8baf2dcfaa02287d3e4
Diameter
57994140
Circumference
182193964.17526
Area
2.6415455663837E+15
Volume
1.0212944226216E+23
Surface area
1.0566182265535E+16
Circumference
182193964.17526
Perimeter
115988280
Area
840830068584900
Diagonal
41008049.663082
Surface area
5044980411509400
Volume
2.4381608356861E+22
Space diagonal
50224398.510631
Perimeter
86991210
Area
3.6409009983017E+14
Altitude
25112199.255316
Surface area
3.6409009983017E+14
Volume
2.8734001008952E+21
Height
13669349.887694