201021381 is an odd 9-digits composite number following 201021380
and preceding 201021382 . In scientific notation, it is written as 2.01021381 × 10^8.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 121420800 positive integers (up to 201021381) that are relatively prime to 201021381.
201021381 has 16 divisors, whose sum is 277080960
The reverse of 201021381 is 183120102
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred one million twenty-one thousand three hundred eighty-one
Scientific notation
2.01021381 × 10^8
Engineering notation
2.01021381 × 10^6
Prime Factorization
3 × 33 × 311 × 6529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201021381
Product of the distinct prime numbers
The prime factorization of 201021381 is 3 × 33 × 311 × 6529.
Since it has a total of 4 prime factors.
2 , 9 , 62 , 91 , 327 , 656 , 2499 , 1128 , 22538 , 65859 , 98057 , 203034 , 8992801 , 8228738 , 61047419 , 23687195 , 539005590 , 764774192 , 8701940208 , 1281167719
n×2
402042762
n×3
603064143
n×4
804085524
n×5
1005106905
n÷2
100510690.5
n÷3
67007127
n÷3
50255345.25
n÷5
40204276.2
n2
40409595619147161
n3
8.1231927170125E+24
n4
1.632935418103E+33
n5
3.2825493283088E+41
2 √n
14178.200908437
3 √n
585.7973698263
4 √n
119.07225079101
5 √n
45.7771183393
1 , 3 , 33 , 99 , 311 , 933 , 6529 , 10263 , 19587 , 30789 , 215457 , 646371 , 2030519 , 6091557 , 67007127 , 201021381
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
-201021380
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 201021381 can be divided by 16 positive divisors.
The sum of these divisors (counting 201021381) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111110110101011111000101
3
Ternary
112000020221111100
4
Quaternary
23332311133011
5
Quinary
402430141011
6
Senary
31540330313
8
Octal
1376653705
10
Decimal
201021381
12
Duodecimal
573a3999
16
Hexadecimal
bfb57c5
20
Vigesimal
32g7d91
36
Base36
3bol39
md5
6f580fac3b41af8e94e2af006ecfdf45
sha1
689147ed6ba3ba5cb1eae021a830d890a710ecf1
sha256
596957fb914adfd85db883aadd0cfc9d3730b4c54bb46f7e48744c8caef931ca
sha512
e73d01c5128f21bc3c4e26815876906d69becc84c41cc1c8e0f8b6152baef33a0585ed547c92da4c15d6f019efd952f20170b5ae9d7997b7210b0fc1e437563c
ripemd-160
a9382f65a2125f3c380bc66a06c1ccc013966013
Diameter
402042762
Circumference
1263054587.5281
Area
1.2695048873165E+17
Volume
3.4026350084614E+25
Surface area
5.0780195492659E+17
Circumference
1263054587.5281
Perimeter
804085524
Area
40409595619147161
Diagonal
284287163.33717
Surface area
242457573714882966
Volume
8.1231927170125E+24
Space diagonal
348179245.29966
Perimeter
603064143
Area
1.7497868181419E+16
Altitude
174089622.64983
Surface area
1.7497868181419E+16
Volume
9.5732744251412E+23
Height
94762387.779056