18698972 is an even 8-digits composite number following 18698971
and preceding 18698973 . In scientific notation, it is written as 1.8698972 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 9275616 positive integers (up to 18698972) that are relatively prime to 18698972.
18698972 has 12 divisors, whose sum is 32981760
The reverse of 18698972 is 27989681
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million six hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
1.8698972 × 10^7
Engineering notation
1.8698972 × 10^6
Prime Factorization
2 × 2 × 127 × 36809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9349486
Product of the distinct prime numbers
The prime factorization of 18698972 is 2 × 2 × 127 × 36809.
Since it has a total of 4 prime factors.
10 , 3 , 2 , 83 , 918 , 914 , 8435 , 9606 , 7344 , 9193 , 663029 , 832611 , 3485564 , 5404369 , 61510371 , 58242411 , 623387658 , 682390693 , 8043815659 , 5794118576
n×2
37397944
n×3
56096916
n×4
74795888
n×5
93494860
n÷2
9349486
n÷3
6232990.6666667
n÷3
4674743
n÷5
3739794.4
n2
349651553856784
n3
6.5381246153245E+21
n4
1.2225620911446E+29
n5
2.2860654310575E+36
2 √n
4324.2307986508
3 √n
265.42342181885
4 √n
65.75888380022
5 √n
28.468431919013
1 , 2 , 4 , 127 , 254 , 508 , 36809 , 73618 , 147236 , 4674743 , 9349486 , 18698972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18698971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18698972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18698972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111010101001011011100
3
Ternary
1022012000011112
4
Quaternary
1013111023130
5
Quinary
14241331342
6
Senary
1504441152
8
Octal
107251334
10
Decimal
18698972
12
Duodecimal
63191b8
16
Hexadecimal
11d52dc
20
Vigesimal
5gh78c
36
Base36
b4s7w
md5
a7e32728c629c82d61202eeb89143592
sha1
927415ba4af068ea3c4784dcdb1406921fd562bc
sha256
be6ee3790e6c760fda73c494dad8451af0fa0cb7961313375e9d73f5b6cf495f
sha512
ba6025a3555c27d2a3e11bd5c37b1fc9ea07f11db2e075fe17d57a993267c848ed9888b94cd6825893e1af76568c755b85982d5f85ff721297f693d6b5f6d68c
ripemd-160
7ada4adc4501fc0c6f826971fbb2483856aff184
Diameter
37397944
Circumference
117489106.12976
Area
1.0984627529127E+15
Volume
2.7386832346344E+22
Surface area
4.3938510116509E+15
Circumference
117489106.12976
Perimeter
74795888
Area
349651553856784
Diagonal
26444339.804835
Surface area
2097909323140704
Volume
6.5381246153245E+21
Space diagonal
32387569.553308
Perimeter
56096916
Area
1.5140356405634E+14
Altitude
16193784.776654
Surface area
1.5140356405634E+14
Volume
7.7052537528977E+20
Height
8814779.9349449