20871372 is an even 8-digits composite number following 20871371
and preceding 20871373 . In scientific notation, it is written as 2.0871372 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6942928 positive integers (up to 20871372) that are relatively prime to 20871372.
20871372 has 24 divisors, whose sum is 48799296
The reverse of 20871372 is 27317802
Previous prime number is 587
Is Prime? no Number parity even Number length 8 Sum of Digits 30 Digital Root 3
Name
twenty million eight hundred seventy-one thousand three hundred seventy-two
Scientific notation
2.0871372 × 10^7
Engineering notation
2.0871372 × 10^6
Prime Factorization
2 × 2 × 3 × 587 × 2963
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10435686 Product of the distinct prime numbers
The prime factorization of 20871372 is 2 × 2 × 3 × 587 × 2963.
Since it has a total of 5 prime factors.
10 , 8 , 62 , 79 , 475 , 865 , 2128 , 8274 , 77424 , 499 , 912089 , 489043 , 4376794 , 166929 , 64212395 , 64766540 , 494146124 , 931379661 , 551283792 , 7422048009
n×2
41742744
n×3
62614116
n×4
83485488
n×5
104356860
n÷2
10435686
n÷3
6957124
n÷3
5217843
n÷5
4174274.4
n2
435614169162384
n3
9.091865373059E+21
n4
1.8975970437503E+29
n5
3.9605453806214E+36
2 √n4568.5196727168
3 √n275.32797013371
4 √n67.590825359044
5 √n29.101153234331
1 , 2 , 3 , 4 , 6 , 12 , 587 , 1174 , 1761 , 2348 , 2963 , 3522 , 5926 , 7044 , 8889 , 11852 , 17778 , 35556 , 1739281 , 3478562 , 5217843 , 6957124 , 10435686 , 20871372
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-20871371 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20871372 can be divided by 24 positive divisors.
The sum of these divisors (counting 20871372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100111100011001100
3
Ternary
1110021101010210
4
Quaternary
1033213203030
5
Quinary
20320340442
6
Senary
2023202420
8
Octal
117474314
10
Decimal
20871372
12
Duodecimal
6ba6410
16
Hexadecimal
13e78cc
20
Vigesimal
6a8i8c
36
Base36
cfcgc
md5
16d11dee023411caf226bf7edef3642e
sha1
a28927bd12dca30b2d264aa8375f4de2fe6a9764
sha256
6bca1813fcc59849be001fbce1f3ed41a2ba99f5da526adb4a8812b9afdf9cb4
sha512
d9e66a0578273a48598099bc25dff1aa2522901aebb6a808554c4e42b2c26088a8a0e5a7d86e439738fc1f715db9cc012d8039ea5dd7e2c4c45c3dd5cddef10b
ripemd-160
48d7f53cb6febc951be84d01fc97d931dbb39e31
Diameter
41742744
Circumference
131138697.89108
Area
1.3685222736402E+15
Volume
3.8083916617906E+22
Surface area
5.4740890945607E+15
Circumference
131138697.89108
Perimeter
83485488
Area
435614169162384
Diagonal
29516577.347734
Surface area
2613685014974304
Volume
9.091865373059E+21
Space diagonal
36150276.72767
Perimeter
62614116
Area
1.8862646837154E+14
Altitude
18075138.363835
Surface area
1.8862646837154E+14
Volume
1.0714866098209E+21
Height
9838859.1159114