21490977 is an odd 8-digits composite number following 21490976
and preceding 21490978 . In scientific notation, it is written as 2.1490977 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 14327316 positive integers (up to 21490977) that are relatively prime to 21490977.
21490977 has 4 divisors, whose sum is 28654640
The reverse of 21490977 is 77909412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety thousand nine hundred seventy-seven
Scientific notation
2.1490977 × 10^7
Engineering notation
2.1490977 × 10^6
Prime Factorization
3 × 7163659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21490977
Product of the distinct prime numbers
The prime factorization of 21490977 is 3 × 7163659.
Since it has a total of 2 prime factors.
5 , 3 , 97 , 33 , 20 , 744 , 5387 , 5393 , 17596 , 15652 , 132302 , 881733 , 8419758 , 3707556 , 12943729 , 39678650 , 703824030 , 150826095 , 6781728413 , 8925168701
n×2
42981954
n×3
64472931
n×4
85963908
n×5
107454885
n÷2
10745488.5
n÷3
7163659
n÷3
5372744.25
n÷5
4298195.4
n2
461862092414529
n3
9.9258676052525E+21
n4
2.1331659240953E+29
n5
4.5843819811915E+36
2 √n
4635.8361705306
3 √n
278.02598397639
4 √n
68.08697504318
5 √n
29.27192150435
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
-21490976
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 21490977 can be divided by 4 positive divisors.
The sum of these divisors (counting 21490977) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110110100100001
3
Ternary
1111102212002010
4
Quaternary
1101332310201
5
Quinary
21000202402
6
Senary
2044343133
8
Octal
121766441
10
Decimal
21490977
12
Duodecimal
7244aa9
16
Hexadecimal
147ed21
20
Vigesimal
6e678h
36
Base36
csmjl
md5
0d45420b4bb2ac39c2f1359cc33a269c
sha1
252a3ac54aec8add13c4d04d55fffb4b8a47dbf8
sha256
cb88c981113378b02e66b629253d5ae5ee789effe4cf37632e78e34497136b63
sha512
9be16d8a56133c7fd6c2a418dd77294c7fa0789d5780ada44502db93cb0ee5c4ee5b222d89f4b973d5e32c7ef2f957b91f4904458e64703fcaad2b4d90fbd891
ripemd-160
8efa58edafb55f73fe0f9f8261f1943074bd861d
Diameter
42981954
Circumference
135031790.92333
Area
1.4509825565011E+15
Volume
4.1577376998888E+22
Surface area
5.8039302260044E+15
Circumference
135031790.92333
Perimeter
85963908
Area
461862092414529
Diagonal
30392831.142048
Surface area
2771172554487174
Volume
9.9258676052525E+21
Space diagonal
37223464.068294
Perimeter
64472931
Area
1.9999215253801E+14
Altitude
18611732.034147
Surface area
1.9999215253801E+14
Volume
1.1697747154723E+21
Height
10130943.714016