20121970 is an even 8-digits composite number following 20121969
and preceding 20121971 . In scientific notation, it is written as 2.0121970 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 7317040 positive integers (up to 20121970) that are relatively prime to 20121970.
20121970 has 16 divisors, whose sum is 39512448
The reverse of 20121970 is 07912102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-one thousand nine hundred seventy
Scientific notation
2.0121970 × 10^7
Engineering notation
2.0121970 × 10^6
Prime Factorization
2 × 5 × 11 × 182927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121970
Product of the distinct prime numbers
The prime factorization of 20121970 is 2 × 5 × 11 × 182927.
Since it has a total of 4 prime factors.
6 , 8 , 85 , 36 , 718 , 462 , 4398 , 709 , 26291 , 49465 , 586890 , 593885 , 1667047 , 6832807 , 26864902 , 89236203 , 603568661 , 806106945 , 7769815591 , 1057996101
n×2
40243940
n×3
60365910
n×4
80487880
n×5
100609850
n÷2
10060985
n÷3
6707323.3333333
n÷3
5030492.5
n÷5
4024394
n2
404893676680900
n3
8.1472584153628E+21
n4
1.6393888941618E+29
n5
3.2987734146656E+36
2 √n
4485.7518879225
3 √n
271.99243959666
4 √n
66.975755971265
5 √n
28.889105802105
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 182927 , 365854 , 914635 , 1829270 , 2012197 , 4024394 , 10060985 , 20121970
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
-20121969
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 20121970 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100101110010
3
Ternary
1101212022011011
4
Quaternary
1030300211302
5
Quinary
20122400340
6
Senary
1555141134
8
Octal
114604562
10
Decimal
20121970
12
Duodecimal
68a47aa
16
Hexadecimal
1330972
20
Vigesimal
65f4ia
36
Base36
bza7m
md5
1c3e11ab7c4f78704c27c1056a80b06d
sha1
64ca27f90e5136149c233040d9f342c1312f8e24
sha256
eb1b73158c0dc2cbc8ca97ab947a6870a2040ad886da61fe3b8e5772da2a85bf
sha512
c36836db4698f85ab7a1618c1454b22c1f6136a8bfae9dc081739894171ae4fec9c3b6625852b23dc17df07d62915cebc98da3e9713da91185ef48d64938f507
ripemd-160
2c6d83301dbc905f2634f34fa531f2a88b871fda
Diameter
40243940
Circumference
126430066.25551
Area
1.2720110001457E+15
Volume
3.4127156246135E+22
Surface area
5.0880440005827E+15
Circumference
126430066.25551
Perimeter
80487880
Area
404893676680900
Diagonal
28456762.875665
Surface area
2429362060085400
Volume
8.1472584153628E+21
Space diagonal
34852274.388377
Perimeter
60365910
Area
1.7532410491867E+14
Altitude
17426137.194188
Surface area
1.7532410491867E+14
Volume
9.601636122637E+20
Height
9485587.6252215