20888961 is an odd 8-digits composite number following 20888960
and preceding 20888962 . In scientific notation, it is written as 2.0888961 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 12737088 positive integers (up to 20888961) that are relatively prime to 20888961.
20888961 has 16 divisors, whose sum is 30331200
The reverse of 20888961 is 16988802
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred eighty-eight thousand nine hundred sixty-one
Scientific notation
2.0888961 × 10^7
Engineering notation
2.0888961 × 10^6
Prime Factorization
3 × 29 × 19 × 12637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20888961
Product of the distinct prime numbers
The prime factorization of 20888961 is 3 × 29 × 19 × 12637.
Since it has a total of 4 prime factors.
2 , 10 , 84 , 36 , 158 , 737 , 3206 , 483 , 21014 , 77564 , 307733 , 476173 , 2164830 , 1817365 , 9737149 , 83582654 , 646945693 , 851930143 , 7423912638 , 9257549706
n×2
41777922
n×3
62666883
n×4
83555844
n×5
104444805
n÷2
10444480.5
n÷3
6962987
n÷3
5222240.25
n÷5
4177792.2
n2
436348691659521
n3
9.1148708024768E+21
n4
1.9040018071298E+29
n5
3.9772619493063E+36
2 √n
4570.4442891255
3 √n
275.40529109952
4 √n
67.60506112064
5 √n
29.10605648388
1 , 3 , 19 , 29 , 57 , 87 , 551 , 1653 , 12637 , 37911 , 240103 , 366473 , 720309 , 1099419 , 6962987 , 20888961
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
-20888960
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 20888961 can be divided by 16 positive divisors.
The sum of these divisors (counting 20888961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111101011110110000001
3
Ternary
1110022021021020
4
Quaternary
1033223312001
5
Quinary
20321421321
6
Senary
2023420053
8
Octal
117536601
10
Decimal
20888961
12
Duodecimal
6bb4629
16
Hexadecimal
13ebd81
20
Vigesimal
6ab281
36
Base36
cfq0x
md5
1a45448f4a0163924ae98fe1b83be929
sha1
c7a48b85533340d2602a5803729146f76945420e
sha256
b65838d3574428fef23c23c6b886abe3de277521871806835f95cb17589ae0fa
sha512
45214f6c38096f099fa662f34cbabae48fb66179880de28637d864469520bab797827426df4f4ec3ad0760f8712fee4d9422e889c682f2e0c7b864ce1add6c06
ripemd-160
125a621528dd57bfdaf129c86f387e5469352cb1
Diameter
41777922
Circumference
131249212.83745
Area
1.3708298441211E+15
Volume
3.8180281535308E+22
Surface area
5.4833193764843E+15
Circumference
131249212.83745
Perimeter
83555844
Area
436348691659521
Diagonal
29541451.950083
Surface area
2618092149957126
Volume
9.1148708024768E+21
Space diagonal
36180741.769325
Perimeter
62666883
Area
1.8894452594262E+14
Altitude
18090370.884662
Surface area
1.8894452594262E+14
Volume
1.0741978256784E+21
Height
9847150.6500276