989968138 is an even 9-digits composite number following 989968137
and preceding 989968139 . In scientific notation, it is written as 9.89968138 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 494984068 positive integers (up to 989968138) that are relatively prime to 989968138.
989968138 has 4 divisors, whose sum is 1484952210
The reverse of 989968138 is 831869989
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 61 Digital Root 7
Name
nine hundred eighty-nine million nine hundred sixty-eight thousand one hundred thirty-eight
Scientific notation
9.89968138 × 10^8
Engineering notation
9.89968138 × 10^6
Prime Factorization
2 × 494984069
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
989968138 Product of the distinct prime numbers
The prime factorization of 989968138 is 2 × 494984069.
Since it has a total of 2 prime factors.
8 , 10 , 2 , 37 , 225 , 873 , 2314 , 7372 , 91701 , 75891 , 753195 , 268485 , 6108407 , 1071647 , 16155550 , 76521805 , 113891439 , 468041925 , 5092877395 , 7961829275
n×2
1979936276
n×3
2969904414
n×4
3959872552
n×5
4949840690
n÷2
494984069
n÷3
329989379.33333
n÷3
247492034.5
n÷5
197993627.6
n2
980036914255187044
n3
9.7020531917647E+26
n4
9.6047235330283E+35
n5
9.5083702719968E+44
2 √n31463.759120614
3 √n996.64480123145
4 √n177.38026699894
5 √n62.968629841022
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
-989968137 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 989968138 can be divided by 4 positive divisors.
The sum of these divisors (counting 989968138) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000000011011011100001010
3
Ternary
2112222210120222121
4
Quaternary
323000123130022
5
Quinary
4011412440023
6
Senary
242122241454
8
Octal
7300333412
10
Decimal
989968138
12
Duodecimal
23765628a
16
Hexadecimal
3b01b70a
20
Vigesimal
f97606i
36
Base36
gdegay
md5
99eec8193c606c66f59843b3cc1f255f
sha1
5d9d395697df7331c330448ec33166072ce17f25
sha256
5426d77d127e8548869f470c1a48903987e49a25f90952052368a0b90a3a7211
sha512
ad0f4cea54ca2290cfa99ce2fff22c1e3cf1dbe595963edd12c8ce8c400a59f29fef5e734483a3de3a94b8ba34544a101672ba8abcd269e91262dfb36c03ed26
ripemd-160
1c8fce7a50e33f49aec1ad9c5068e0a9ceb07d81
Diameter
1979936276
Circumference
6220153259.2575
Area
3.0788767700709E+18
Volume
4.0639865375981E+27
Surface area
1.2315507080284E+19
Circumference
6220153259.2575
Perimeter
3959872552
Area
980036914255187044
Diagonal
1400026367.0768
Surface area
5880221485531122264
Volume
9.7020531917647E+26
Space diagonal
1714675112.8904
Perimeter
2969904414
Area
4.2436843219575E+17
Altitude
857337556.44518
Surface area
4.2436843219575E+17
Volume
1.1433979338882E+26
Height
466675455.69228