20131998 is an even 8-digits composite number following 20131997
and preceding 20131999 . In scientific notation, it is written as 2.0131998 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6554520 positive integers (up to 20131998) that are relatively prime to 20131998.
20131998 has 16 divisors, whose sum is 41200896
The reverse of 20131998 is 89913102
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-one thousand nine hundred ninety-eight
Scientific notation
2.0131998 × 10^7
Engineering notation
2.0131998 × 10^6
Prime Factorization
2 × 3 × 43 × 78031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131998
Product of the distinct prime numbers
The prime factorization of 20131998 is 2 × 3 × 43 × 78031.
Since it has a total of 4 prime factors.
10 , 4 , 24 , 2 , 453 , 385 , 2725 , 3438 , 72598 , 12628 , 23698 , 971248 , 9240095 , 7860417 , 73007014 , 99885389 , 322386774 , 481351651 , 833871935 , 475921461
n×2
40263996
n×3
60395994
n×4
80527992
n×5
100659990
n÷2
10065999
n÷3
6710666
n÷3
5032999.5
n÷5
4026399.6
n2
405297343472004
n3
8.1594453081837E+21
n4
1.6426593662546E+29
n5
3.307001507612E+36
2 √n
4486.8695100259
3 √n
272.03761554464
4 √n
66.984098934194
5 √n
28.891984667546
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 78031 , 156062 , 234093 , 468186 , 3355333 , 6710666 , 10065999 , 20131998
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
-20131997
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 20131998 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131998) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110011000010011110
3
Ternary
1101212210220120
4
Quaternary
1030303002132
5
Quinary
20123210443
6
Senary
1555255410
8
Octal
114630236
10
Decimal
20131998
12
Duodecimal
68aa566
16
Hexadecimal
133309e
20
Vigesimal
65g9ji
36
Base36
bzhy6
md5
b87026b5ea2fcfcbd325f31aa6e62f4d
sha1
3765d08a4a6c17170eac1cc705f71e67d832b81c
sha256
4ea6126f4994ed0e8472e6edc875b6fe5a497bc4d0247afeee34832dcdb17bd2
sha512
98008b48a034cf6955d124052784b37bf4372bd6eaa659418c2635356c832bbee2cbe6e6f6a08fd767189c9083233ac3a309c0cd96a3474ff981492c49ae0b11
ripemd-160
fb25390717a0f9217d3593f98d0a173538e0eb3c
Diameter
40263996
Circumference
126493074.03777
Area
1.2732791567711E+15
Volume
3.417820458341E+22
Surface area
5.0931166270844E+15
Circumference
126493074.03777
Perimeter
80527992
Area
405297343472004
Diagonal
28470944.609268
Surface area
2431784060832024
Volume
8.1594453081837E+21
Space diagonal
34869643.393875
Perimeter
60395994
Area
1.7549889776655E+14
Altitude
17434821.696938
Surface area
1.7549889776655E+14
Volume
9.6159985135624E+20
Height
9490314.869756