981925981 is an odd 9-digits prime number following 981925980
and preceding 981925982 . In scientific notation, it is written as 9.81925981 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 981925980 positive integers (up to 981925981) that are relatively prime to 981925981.
981925981 has 2 divisors, whose sum is 981925982
The reverse of 981925981 is 189529189
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
nine hundred eighty-one million nine hundred twenty-five thousand nine hundred eighty-one
Scientific notation
9.81925981 × 10^8
Engineering notation
9.81925981 × 10^6
Prime Factorization
981925981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
981925981
Product of the distinct prime numbers
The prime factorization of 981925981 is 981925981.
Since it has a total of 1 prime factors.
9 , 5 , 63 , 86 , 261 , 821 , 2181 , 6184 , 11961 , 52582 , 125889 , 997290 , 5935206 , 9404915 , 20490062 , 37068681 , 950876576 , 155860686 , 4027990043 , 3909427987
n×2
1963851962
n×3
2945777943
n×4
3927703924
n×5
4909629905
n÷2
490962990.5
n÷3
327308660.33333
n÷3
245481495.25
n÷5
196385196.2
n2
964178632162812361
n3
9.4675204924571E+26
n4
9.2964043471935E+35
n5
9.1283809583907E+44
2 √n
31335.698189126
3 √n
993.93866140528
4 √n
177.01892042696
5 √n
62.865988716916
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
981925982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
490962991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
31335.698205082
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999979632
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 981925981 can be divided by 2 positive divisors.
The sum of these divisors (counting 981925981) is 981925982, the average is 490962991.
Base
System
Value
2
Binary
111010100001110000000001011101
3
Ternary
2112102200000012221
4
Quaternary
322201300001131
5
Quinary
4002333112411
6
Senary
241234025341
8
Octal
7241600135
10
Decimal
981925981
12
Duodecimal
234a18251
16
Hexadecimal
3a87005d
20
Vigesimal
f6h0ej1
36
Base36
g8m2xp
md5
f033a30020b491087dc09b158fd5e85a
sha1
35a3a55c03b9d6b174450707884597e9289f2101
sha256
274190e160b47a3385e3dc9faa850b7ee2a65a492b2269b8ffa48347c56bdb1d
sha512
f57dadc17c65e6bf35ab87d303dbed123be7c388c71958ca3210d028fc304e98ba00c460904a7e4a6524bdf5ac3468787510c49877d1fab4a674f9360bac6099
ripemd-160
4c0fdb14d2db9d036f9ddcfa6f106f4f74eeb132
Diameter
1963851962
Circumference
6169622896.5571
Area
3.0290565075509E+18
Volume
3.9657457102419E+27
Surface area
1.2116226030204E+19
Circumference
6169622896.5571
Perimeter
3927703924
Area
964178632162812361
Diagonal
1388653039.5767
Surface area
5785071792976874166
Volume
9.4675204924571E+26
Space diagonal
1700745688.3639
Perimeter
2945777943
Area
4.1750159461956E+17
Altitude
850372844.18196
Surface area
4.1750159461956E+17
Volume
1.1157579902065E+26
Height
462884346.52557