981385 is an odd 6-digits composite number following 981384
and preceding 981386 . In scientific notation, it is written as 9.81385 × 10^5.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 785104 positive integers (up to 981385) that are relatively prime to 981385.
981385 has 4 divisors, whose sum is 1177668
The reverse of 981385 is 583189
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 34
Digital Root 7
Name
nine hundred eighty-one thousand three hundred eighty-five
Scientific notation
9.81385 × 10^5
Engineering notation
9.81385 × 10^3
Prime Factorization
5 × 196277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
981385
Product of the distinct prime numbers
The prime factorization of 981385 is 5 × 196277.
Since it has a total of 2 prime factors.
10 , 7 , 62 , 91 , 831 , 789 , 2947 , 8513 , 98446 , 2994 , 262754 , 773007 , 2676699 , 5853447 , 20847382 , 52132574 , 283786975 , 292964042 , 1685832677 , 8970609938
n×2
1962770
n×3
2944155
n×4
3925540
n×5
4906925
n÷2
490692.5
n÷3
327128.33333333
n÷3
245346.25
n÷5
196277
n2
963116518225
n3
945188104238241625
n4
9.2759342767785E+23
n5
9.1032627602162E+29
2 √n
990.64877731717
3 √n
99.375609479009
4 √n
31.474573504929
5 √n
15.789482023532
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
-981384
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 981385 can be divided by 4 positive divisors.
The sum of these divisors (counting 981385) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101111100110001001
3
Ternary
1211212012121
4
Quaternary
3233212021
5
Quinary
222401020
6
Senary
33011241
8
Octal
3574611
10
Decimal
981385
12
Duodecimal
3b3b21
16
Hexadecimal
ef989
20
Vigesimal
62d95
36
Base36
l18p
md5
f798125b163b456a1c6210d433382701
sha1
f9202301d658294cd41a2086e2a64522a1cd00c9
sha256
a44f7fd81af75a1bbbde20957d03ee6f081b30d4f764577241ee91f38cc13856
sha512
798441bc5cc5934d28e4a7203cc4cd95ebd735cdba54b7d67431ea17e920eba50a619260a158ffd66b9799f09cbe58f654f2b5e1a191a74d4016ee1188710d2c
ripemd-160
f6092b1a5a0c5f75f4cd536e37856251f6e259a8
Diameter
1962770
Circumference
6166223.8126864
Area
3025719778206.6
Volume
3.9591946727138E+18
Surface area
12102879112827
Circumference
6166223.8126864
Perimeter
3925540
Area
963116518225
Diagonal
1387887.9769095
Surface area
5778699109350
Volume
945188104238241625
Space diagonal
1699808.681786
Perimeter
2944155
Area
417041685793.63
Altitude
849904.34089299
Surface area
417041685793.63
Volume
1.1139148633395E+17
Height
462629.32563651