989860978 is an even 9-digits composite number following 989860977
and preceding 989860979 . In scientific notation, it is written as 9.89860978 × 10^8.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 490848336 positive integers (up to 989860978) that are relatively prime to 989860978.
989860978 has 16 divisors, whose sum is 1497061440
The reverse of 989860978 is 879068989
Previous prime number is 1997
Is Prime? no
Number parity even
Number length 9
Sum of Digits 64
Digital Root 1
Name
nine hundred eighty-nine million eight hundred sixty thousand nine hundred seventy-eight
Scientific notation
9.89860978 × 10^8
Engineering notation
9.89860978 × 10^6
Prime Factorization
2 × 139 × 1997 × 1783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
989860978
Product of the distinct prime numbers
The prime factorization of 989860978 is 2 × 139 × 1997 × 1783.
Since it has a total of 4 prime factors.
7 , 9 , 31 , 65 , 623 , 984 , 9458 , 344 , 4442 , 30430 , 569012 , 621784 , 9378157 , 3835855 , 20320175 , 88903618 , 294805763 , 614027012 , 1231560391 , 7784700644
n×2
1979721956
n×3
2969582934
n×4
3959443912
n×5
4949304890
n÷2
494930489
n÷3
329953659.33333
n÷3
247465244.5
n÷5
197972195.6
n2
979824755767116484
n3
9.6989029101225E+26
n4
9.6005655201409E+35
n5
9.5032251751197E+44
2 √n
31462.05616294
3 √n
996.60883902667
4 √n
177.37546663206
5 √n
62.96726656269
1 , 2 , 139 , 278 , 1783 , 1997 , 3566 , 3994 , 247837 , 277583 , 495674 , 555166 , 3560651 , 7121302 , 494930489 , 989860978
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
-989860977
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 989860978 can be divided by 16 positive divisors.
The sum of these divisors (counting 989860978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000000000001010001110010
3
Ternary
2112222121010222201
4
Quaternary
323000001101302
5
Quinary
4011401022403
6
Senary
242120053414
8
Octal
7300012162
10
Decimal
989860978
12
Duodecimal
23760426a
16
Hexadecimal
3b001472
20
Vigesimal
f96cc8i
36
Base36
gdc5ma
md5
a17fca7e924ddb472c6eb1c89f70763f
sha1
d46117f52e88aad05d88158c405e1e7efe00b2a3
sha256
21e11c8cd9a0169a7ba96ece7745302dc2a89d571d2e1ee8fd8cea8ba8ebfa77
sha512
61d5ac8e48a51f3f44182406357d8827cf2f78e01427c55ec321439b180755e19254fc073e1d9126ab8377011f7a1ee4ee4f118527fe05c546a9140544791833
ripemd-160
8eabbaecf1d8fbb8ac57890d24294f4f060c18a7
Diameter
1979721956
Circumference
6219479953.12
Area
3.0782102545234E+18
Volume
4.0626669507095E+27
Surface area
1.2312841018094E+19
Circumference
6219479953.12
Perimeter
3959443912
Area
979824755767116484
Diagonal
1399874819.9515
Surface area
5878948534602698904
Volume
9.6989029101225E+26
Space diagonal
1714489506.3258
Perimeter
2969582934
Area
4.242765648756E+17
Altitude
857244753.16291
Surface area
4.242765648756E+17
Volume
1.1430266696363E+26
Height
466624939.98383