20851271 is an odd 8-digits composite number following 20851270
and preceding 20851272 . In scientific notation, it is written as 2.0851271 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 16831584 positive integers (up to 20851271) that are relatively prime to 20851271.
20851271 has 16 divisors, whose sum is 25250304
The reverse of 20851271 is 17215802
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred fifty-one thousand two hundred seventy-one
Scientific notation
2.0851271 × 10^7
Engineering notation
2.0851271 × 10^6
Prime Factorization
7 × 23 × 67 × 1933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20851271
Product of the distinct prime numbers
The prime factorization of 20851271 is 7 × 23 × 67 × 1933.
Since it has a total of 4 prime factors.
3 , 1 , 58 , 64 , 712 , 418 , 4356 , 9628 , 39339 , 45186 , 66730 , 289321 , 593067 , 7000539 , 18001524 , 29183595 , 115990870 , 303640538 , 1416026947 , 2083224385
n×2
41702542
n×3
62553813
n×4
83405084
n×5
104256355
n÷2
10425635.5
n÷3
6950423.6666667
n÷3
5212817.75
n÷5
4170254.2
n2
434775502315441
n3
9.0656218229404E+21
n4
1.8902973741364E+29
n5
3.9415102818707E+36
2 √n
4566.3191960265
3 √n
275.23955324739
4 √n
67.574545474065
5 √n
29.09554567044
1 , 7 , 23 , 67 , 161 , 469 , 1541 , 1933 , 10787 , 13531 , 44459 , 129511 , 311213 , 906577 , 2978753 , 20851271
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
-20851270
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 20851271 can be divided by 16 positive divisors.
The sum of these divisors (counting 20851271) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100010101001000111
3
Ternary
1110020100120022
4
Quaternary
1033202221013
5
Quinary
20314220041
6
Senary
2022525355
8
Octal
117425107
10
Decimal
20851271
12
Duodecimal
6b9685b
16
Hexadecimal
13e2a47
20
Vigesimal
6a683b
36
Base36
cewxz
md5
656afeca3751bb9485adc439ff572769
sha1
f9f3b624841b2ff43ecaf450a8903fd82e5b7dfe
sha256
e10f1f905bbe6015749f5a108ded7bd14938428e14d8614e0f4c438300cbd3f2
sha512
ffdcaeaa2d6e87e3ae67c82b37b4b7827f34b0ddfbb6efb8e24b29857a5c5b5bc56be38f775fd624a9f6585ceb2a618e66961797a29d69e08b98a269428e941b
ripemd-160
b73be403623318b35a4d1c02a57849eb3efa52ba
Diameter
41702542
Circumference
131012399.58322
Area
1.365887524035E+15
Volume
3.797398789223E+22
Surface area
5.46355009614E+15
Circumference
131012399.58322
Perimeter
83405084
Area
434775502315441
Diagonal
29488150.240917
Surface area
2608653013892646
Volume
9.0656218229404E+21
Space diagonal
36115460.774388
Perimeter
62553813
Area
1.8826331497416E+14
Altitude
18057730.387194
Surface area
1.8826331497416E+14
Volume
1.068393777779E+21
Height
9829383.4136389