28994992 is an even 8-digits composite number following 28994991
and preceding 28994993 . In scientific notation, it is written as 2.8994992 × 10^7.
The sum of its digits is 52. It has a total of 7 prime factors and 30 positive divisors.
There are 13381056 positive integers (up to 28994992) that are relatively prime to 28994992.
28994992 has 30 divisors, whose sum is 60837252
The reverse of 28994992 is 29949982
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred ninety-four thousand nine hundred ninety-two
Scientific notation
2.8994992 × 10^7
Engineering notation
2.8994992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 13 × 10723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
278798
Product of the distinct prime numbers
The prime factorization of 28994992 is 2 × 2 × 2 × 2 × 13 × 13 × 10723.
Since it has a total of 7 prime factors.
7 , 9 , 98 , 61 , 325 , 537 , 3776 , 6710 , 1602 , 46391 , 548471 , 18412 , 8516441 , 3425360 , 96729411 , 34792685 , 336655434 , 855302803 , 9125736587 , 4703632413
n×2
57989984
n×3
86984976
n×4
115979968
n×5
144974960
n÷2
14497496
n÷3
9664997.3333333
n÷3
7248748
n÷5
5798998.4
n2
840709561080064
n3
2.437636699784E+22
n4
7.0679256609143E+29
n5
2.0493444799481E+37
2 √n
5384.6998059316
3 √n
307.21399630603
4 √n
73.380513802587
5 √n
31.078825545577
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 169 , 208 , 338 , 676 , 1352 , 2704 , 10723 , 21446 , 42892 , 85784 , 139399 , 171568 , 278798 , 557596 , 1115192 , 1812187 , 2230384 , 3624374 , 7248748 , 14497496 , 28994992
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28994991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28994992 can be divided by 30 positive divisors.
The sum of these divisors (counting 28994992) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1101110100110110110110000
3
Ternary
2000120002122121
4
Quaternary
1232212312300
5
Quinary
24410314432
6
Senary
2513244024
8
Octal
156466660
10
Decimal
28994992
12
Duodecimal
9863614
16
Hexadecimal
1ba6db0
20
Vigesimal
91479c
36
Base36
h9gog
md5
9c70bd311777c8c4cb8cd4dc6800ff1e
sha1
142657ae73d9af25a8b83a8ddcf78fbdbd3a3b57
sha256
1b3005dad28df85ed58d49ac20488043f0df714845a08a131e346600f57a1203
sha512
0fa592fa7b319cd458020c19afd48d63f9245e080e7b4acb020d9289eaef83c0c1c3c9f23e2b62941fd3902d5eec2f95a1bb217c0e85d80fd9beb0dca7e7d5c8
ripemd-160
ddd67196b0a5576e49794813f9e178b16e69650d
Diameter
57989984
Circumference
182180907.71619
Area
2.6411669808918E+15
Volume
1.0210748730883E+23
Surface area
1.0564667923567E+16
Circumference
182180907.71619
Perimeter
115979968
Area
840709561080064
Diagonal
41005110.927299
Surface area
5044257366480384
Volume
2.437636699784E+22
Space diagonal
50220799.309053
Perimeter
86984976
Area
3.640379185499E+14
Altitude
25110399.654527
Surface area
3.640379185499E+14
Volume
2.8727824008108E+21
Height
13668370.3091