10921981 is an odd 8-digits composite number following 10921980
and preceding 10921982 . In scientific notation, it is written as 1.0921981 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9298800 positive integers (up to 10921981) that are relatively prime to 10921981.
10921981 has 8 divisors, whose sum is 12566144
The reverse of 10921981 is 18912901
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
ten million nine hundred twenty-one thousand nine hundred eighty-one
Scientific notation
1.0921981 × 10^7
Engineering notation
1.0921981 × 10^6
Prime Factorization
7 × 151 × 10333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10921981
Product of the distinct prime numbers
The prime factorization of 10921981 is 7 × 151 × 10333.
Since it has a total of 3 prime factors.
10 , 10 , 88 , 32 , 949 , 52 , 7455 , 9586 , 82888 , 83081 , 950393 , 15165 , 523306 , 2213802 , 43928255 , 22381944 , 826436660 , 263829243 , 3460965856 , 4491408063
n×2
21843962
n×3
32765943
n×4
43687924
n×5
54609905
n÷2
5460990.5
n÷3
3640660.3333333
n÷3
2730495.25
n÷5
2184396.2
n2
119289668964361
n3
1.302879497925E+21
n4
1.4230025121627E+28
n5
1.5542006400793E+35
2 √n
3304.8420537145
3 √n
221.87096497324
4 √n
57.487755685142
5 √n
25.565852757421
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-10921980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 10921981 can be divided by 8 positive divisors.
The sum of these divisors (counting 10921981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001101010011111111101
3
Ternary
202112220010211
4
Quaternary
221222133331
5
Quinary
10244000411
6
Senary
1030032421
8
Octal
51523775
10
Decimal
10921981
12
Duodecimal
37a8711
16
Hexadecimal
a6a7fd
20
Vigesimal
3854j1
36
Base36
6i3gd
md5
f7a2ca0594c770852d62da0da3c37aea
sha1
875f4a61f053d70df8b1ec949b1fb4174840cb66
sha256
477a6b35a1ae0ad282e8bf6c20b6e4a88dbfaf5eef45841c0a44840c53ffe05b
sha512
f3e06fa7e0bfc75a9aea1118ced5b855ad331c2e048989ffca5d6b83fe19ef0d52262231336f3f8a12ea1226b05da3a79a9eea300f5f64eeaeaaf81fb39db6e9
ripemd-160
99e7d21e7caaf803a083e284f46c07256785d023
Diameter
21843962
Circumference
68624830.544495
Area
3.7475954766759E+14
Volume
5.4574888789254E+21
Surface area
1.4990381906704E+15
Circumference
68624830.544495
Perimeter
43687924
Area
119289668964361
Diagonal
15446013.658181
Surface area
715738013786166
Volume
1.302879497925E+21
Space diagonal
18917426.011302
Perimeter
32765943
Area
51653941866086
Altitude
9458713.005651
Surface area
51653941866086
Volume
1.5354582134195E+20
Height
5148671.2193938