1978394909 is an odd 10-digits prime number following 1978394908
and preceding 1978394910 . In scientific notation, it is written as 1.978394909 × 10^9.
The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors.
There are 1978394908 positive integers (up to 1978394909) that are relatively prime to 1978394909.
1978394909 has 2 divisors, whose sum is 1978394910
The reverse of 1978394909 is 9094938791
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred seventy-eight million three hundred ninety-four thousand nine hundred nine
Scientific notation
1.978394909 × 10^9
Engineering notation
1.978394909 × 10^9
Prime Factorization
1978394909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1978394909
Product of the distinct prime numbers
The prime factorization of 1978394909 is 1978394909.
Since it has a total of 1 prime factors.
1 , 3 , 9 , 59 , 534 , 495 , 773 , 5811 , 72234 , 54536 , 19438 , 328818 , 7524114 , 6060387 , 18216330 , 43158944 , 61011009 , 187112224 , 6734178372 , 8623654039
n×2
3956789818
n×3
5935184727
n×4
7913579636
n×5
9891974545
n÷2
989197454.5
n÷3
659464969.66667
n÷3
494598727.25
n÷5
395678981.8
n2
3914046415957118281
n3
7.7435295029193E+27
n4
1.5319759346267E+37
n5
3.0308533897759E+46
2 √n
44479.151397031
3 √n
1255.367830045
4 √n
210.90080937974
5 √n
72.32069601764
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1978394910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
989197455
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44479.151408272
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989891
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1978394909 can be divided by 2 positive divisors.
The sum of these divisors (counting 1978394909) is 1978394910, the average is 989197455.
Base
System
Value
2
Binary
1110101111010111110100100011101
3
Ternary
12002212200212121112
4
Quaternary
1311322332210131
5
Quinary
13022432114114
6
Senary
524151511405
8
Octal
16572764435
10
Decimal
1978394909
12
Duodecimal
472688565
16
Hexadecimal
75ebe91d
20
Vigesimal
1ai4j759
36
Base36
wpvva5
md5
98da1db465996b6d7e69dffc2746acb1
sha1
7eb3b93a4e9aadc37eccb6206f11cd16d004c56e
sha256
8166fcad4f4973a70e4f2718651e55a7dbeeac73c00e94b7932511ad517f170d
sha512
c4b5ed13a7c0aca5f0688731560fcb9c70a7d1a32d02c1fccb78d339f13a3796c3ac777939a2f6386dfdadfe8f5e61122fd27aa40a39690662a23dfd23529d43
ripemd-160
4f96fc4094d25b8f05d975f96c2b40407a49a6fa
Diameter
3956789818
Circumference
12430621824.028
Area
1.229633946618E+19
Volume
3.2436020532303E+28
Surface area
4.9185357864721E+19
Circumference
12430621824.028
Perimeter
7913579636
Area
3914046415957118281
Diagonal
2797872912.0377
Surface area
2.3484278495743E+19
Volume
7.7435295029193E+27
Space diagonal
3426680499.8236
Perimeter
5935184727
Area
1.6948318139051E+18
Altitude
1713340249.9118
Surface area
1.6948318139051E+18
Volume
9.1258370363872E+26
Height
932624304.01256