20307988 is an even 8-digits composite number following 20307987
and preceding 20307989 . In scientific notation, it is written as 2.0307988 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 9572640 positive integers (up to 20307988) that are relatively prime to 20307988.
20307988 has 24 divisors, whose sum is 37618560
The reverse of 20307988 is 88970302
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million three hundred seven thousand nine hundred eighty-eight
Scientific notation
2.0307988 × 10^7
Engineering notation
2.0307988 × 10^6
Prime Factorization
2 × 2 × 23 × 71 × 3109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10153994
Product of the distinct prime numbers
The prime factorization of 20307988 is 2 × 2 × 23 × 71 × 3109.
Since it has a total of 5 prime factors.
4 , 2 , 72 , 89 , 587 , 367 , 3317 , 5371 , 6576 , 53918 , 855671 , 432123 , 7426811 , 5211880 , 29997103 , 8867232 , 757742243 , 518219239 , 7996928026 , 1455395436
n×2
40615976
n×3
60923964
n×4
81231952
n×5
101539940
n÷2
10153994
n÷3
6769329.3333333
n÷3
5076997
n÷5
4061597.6
n2
412414376608144
n3
8.3753062111857E+21
n4
1.7008561803308E+29
n5
3.4540966899885E+36
2 √n
4506.4385050725
3 √n
272.82801674744
4 √n
67.130011954956
5 √n
28.942322575264
1 , 2 , 4 , 23 , 46 , 71 , 92 , 142 , 284 , 1633 , 3109 , 3266 , 6218 , 6532 , 12436 , 71507 , 143014 , 220739 , 286028 , 441478 , 882956 , 5076997 , 10153994 , 20307988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20307987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20307988 can be divided by 24 positive divisors.
The sum of these divisors (counting 20307988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101011110000000010100
3
Ternary
1102012202022201
4
Quaternary
1031132000110
5
Quinary
20144323423
6
Senary
2003134244
8
Octal
115360024
10
Decimal
20307988
12
Duodecimal
6974384
16
Hexadecimal
135e014
20
Vigesimal
66i9j8
36
Base36
c39qs
md5
e604c75266f0efa5577399f39b88b11a
sha1
5a5594b40c285aaee01df35e58182d8217f2e83a
sha256
b116c08bc2a9d33c8d0fc97876754b37e7aacbff7804ca4a78b68c1a739ca1bc
sha512
b587bce85c9ff2291543390f14f205148a1f3ecd2f9fd912a25104dc65b865fe03c6966a50867b513b566d1d2fe21c2a8f08600f88eff09dac35108b84e6a0ae
ripemd-160
e8140c0fe971c09bf070266c7b71830896be506d
Diameter
40615976
Circumference
127598851.81998
Area
1.295637975787E+15
Volume
3.5082400619501E+22
Surface area
5.1825519031478E+15
Circumference
127598851.81998
Perimeter
81231952
Area
412414376608144
Diagonal
28719832.05411
Surface area
2474486259648864
Volume
8.3753062111857E+21
Space diagonal
35174467.015499
Perimeter
60923964
Area
1.7858066351429E+14
Altitude
17587233.50775
Surface area
1.7858066351429E+14
Volume
9.8703930274053E+20
Height
9573277.35137