21053977 is an odd 8-digits composite number following 21053976
and preceding 21053978 . In scientific notation, it is written as 2.1053977 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 18046224 positive integers (up to 21053977) that are relatively prime to 21053977.
21053977 has 4 divisors, whose sum is 21483700
The reverse of 21053977 is 77935012
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million fifty-three thousand nine hundred seventy-seven
Scientific notation
2.1053977 × 10^7
Engineering notation
2.1053977 × 10^6
Prime Factorization
49 × 429673
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21053977
Product of the distinct prime numbers
The prime factorization of 21053977 is 49 × 429673.
Since it has a total of 2 prime factors.
5 , 2 , 57 , 54 , 99 , 658 , 4571 , 7255 , 26711 , 80026 , 181589 , 700350 , 7860096 , 7660304 , 79395167 , 28258499 , 583691324 , 762201633 , 1714990597 , 736041926
n×2
42107954
n×3
63161931
n×4
84215908
n×5
105269885
n÷2
10526988.5
n÷3
7017992.3333333
n÷3
5263494.25
n÷5
4210795.4
n2
443269947516529
n3
9.3325952798042E+21
n4
1.9648824637131E+29
n5
4.1368590198718E+36
2 √n
4588.461288929
3 √n
276.12859389546
4 √n
67.738181913371
5 √n
29.151897536591
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21053977 can be divided by 4 positive divisors.
The sum of these divisors (counting 21053977) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010100001000011001
3
Ternary
1110121122121221
4
Quaternary
1100110020121
5
Quinary
20342211402
6
Senary
2031132041
8
Octal
120241031
10
Decimal
21053977
12
Duodecimal
7074021
16
Hexadecimal
1414219
20
Vigesimal
6bbeih
36
Base36
cj9cp
md5
cb6c0066d8476118d7d0847ade8aa58a
sha1
7aeeaf2bf974d26b043cca44d0e14122515d4777
sha256
a8a04681da6594bdded344688d078d4cd4e5c55754b0b8ef47d07cb82d478c34
sha512
f3359cfe53247644fa6b35de443e10f90d4a6094e754d98b1288803e8f2c5d4d0dc82182ef3f5d33a2a7312ec2f173500e5be90ed5a67914615c73249428be92
ripemd-160
4c3ca2d04a39f4a7bc9fe1172c4a81a26d9820be
Diameter
42107954
Circumference
132286038.9441
Area
1.3925736106751E+15
Volume
3.909228369328E+22
Surface area
5.5702944427002E+15
Circumference
132286038.9441
Perimeter
84215908
Area
443269947516529
Diagonal
29774819.815291
Surface area
2659619685099174
Volume
9.3325952798042E+21
Space diagonal
36466557.865387
Perimeter
63161931
Area
1.9194151764175E+14
Altitude
18233278.932693
Surface area
1.9194151764175E+14
Volume
1.0998569014032E+21
Height
9924939.9384304