20158988 is an even 8-digits composite number following 20158987
and preceding 20158989 . In scientific notation, it is written as 2.0158988 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 10079492 positive integers (up to 20158988) that are relatively prime to 20158988.
20158988 has 6 divisors, whose sum is 35278236
The reverse of 20158988 is 88985102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred fifty-eight thousand nine hundred eighty-eight
Scientific notation
2.0158988 × 10^7
Engineering notation
2.0158988 × 10^6
Prime Factorization
2 × 2 × 5039747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10079494
Product of the distinct prime numbers
The prime factorization of 20158988 is 2 × 2 × 5039747.
Since it has a total of 3 prime factors.
7 , 7 , 61 , 70 , 583 , 169 , 8657 , 1645 , 71662 , 12126 , 590235 , 707803 , 3990675 , 8858912 , 58587486 , 57810926 , 545103058 , 322396152 , 2269921721 , 1714795628
n×2
40317976
n×3
60476964
n×4
80635952
n×5
100794940
n÷2
10079494
n÷3
6719662.6666667
n÷3
5039747
n÷5
4031797.6
n2
406384797184144
n3
8.1923062498176E+21
n4
1.651486033824E+29
n5
3.3292287138025E+36
2 √n
4489.8761675574
3 √n
272.15913050028
4 √n
67.006538244842
5 √n
28.899727335005
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20158987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20158988 can be divided by 6 positive divisors.
The sum of these divisors (counting 20158988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100111001101000001100
3
Ternary
1101221011221012
4
Quaternary
1030321220030
5
Quinary
20130041423
6
Senary
2000024352
8
Octal
114715014
10
Decimal
20158988
12
Duodecimal
69020b8
16
Hexadecimal
1339a0c
20
Vigesimal
65jh98
36
Base36
c02rw
md5
07fa2ce60f5d3ca1c8a80907b9e10d19
sha1
c28e3010874db7ffc6cce9818e0be5de79d05e00
sha256
46918f58accc689d73c6c996a2735deadea79ad64c986233c73747fa87d3948b
sha512
f17ad9a5243a25ec96245e9d8fa1b3a9d9ffb126195d48d1ab91d9191068bdca61eab9ee27bf20ba14b89ec6c0230e7912faf5f161fc2528a9aebe2636629d96
ripemd-160
ad31c13c2392cbbe9b00cd12ecb81d29402c2ae4
Diameter
40317976
Circumference
126662657.20921
Area
1.2766954933643E+15
Volume
3.4315852173846E+22
Surface area
5.1067819734571E+15
Circumference
126662657.20921
Perimeter
80635952
Area
406384797184144
Diagonal
28509114.233316
Surface area
2438308783104864
Volume
8.1923062498176E+21
Space diagonal
34916391.445171
Perimeter
60476964
Area
1.7596977903663E+14
Altitude
17458195.722586
Surface area
1.7596977903663E+14
Volume
9.6547255046716E+20
Height
9503038.0777722