1978394914 is an even 10-digits composite number following 1978394913
and preceding 1978394915 . In scientific notation, it is written as 1.978394914 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 989197456 positive integers (up to 1978394914) that are relatively prime to 1978394914.
1978394914 has 4 divisors, whose sum is 2967592374
The reverse of 1978394914 is 4194938791
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred seventy-eight million three hundred ninety-four thousand nine hundred fourteen
Scientific notation
1.978394914 × 10^9
Engineering notation
1.978394914 × 10^9
Prime Factorization
2 × 989197457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1978394914
Product of the distinct prime numbers
The prime factorization of 1978394914 is 2 × 989197457.
Since it has a total of 2 prime factors.
3 , 9 , 95 , 42 , 153 , 257 , 6910 , 242 , 48999 , 3512 , 120164 , 118709 , 6723412 , 3059572 , 905327 , 20373874 , 315226417 , 109581590 , 2747721396 , 3338506096
n×2
3956789828
n×3
5935184742
n×4
7913579656
n×5
9891974570
n÷2
989197457
n÷3
659464971.33333
n÷3
494598728.5
n÷5
395678982.8
n2
3914046435741067396
n3
7.74352956163E+27
n4
1.5319759501137E+37
n5
3.0308534280753E+46
2 √n
44479.151453237
3 √n
1255.3678311025
4 √n
210.900809513
5 √n
72.320696054195
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
-1978394913
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 1978394914 can be divided by 4 positive divisors.
The sum of these divisors (counting 1978394914) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101111010111110100100100010
3
Ternary
12002212200212121201
4
Quaternary
1311322332210202
5
Quinary
13022432114124
6
Senary
524151511414
8
Octal
16572764442
10
Decimal
1978394914
12
Duodecimal
47268856a
16
Hexadecimal
75ebe922
20
Vigesimal
1ai4j75e
36
Base36
wpvvaa
md5
b5c560fb220d9a7c36d5f3fb336b6eaf
sha1
581dd0cf2dddb069dce011b0262f920fffb01a15
sha256
2ceea7ac6d7ed4d24d7fd57bf97ada2a12cf29bd4fd522e3f500c688b4a13cc0
sha512
17dea9332613f5e3e0e4a39d0ae94956d1526b5e813ad3dda6c52e4e76cec0a04b9d79bec27ef816d23c5141a3c22caffe6f8055fb65a62313ac7c3fd3eaac40
ripemd-160
6d4d4965e5b66401325d17eaaf579d362aaf164b
Diameter
3956789828
Circumference
12430621855.444
Area
1.2296339528333E+19
Volume
3.2436020778229E+28
Surface area
4.9185358113334E+19
Circumference
12430621855.444
Perimeter
7913579656
Area
3914046435741067396
Diagonal
2797872919.1088
Surface area
2.3484278614446E+19
Volume
7.74352956163E+27
Space diagonal
3426680508.4839
Perimeter
5935184742
Area
1.6948318224719E+18
Altitude
1713340254.2419
Surface area
1.6948318224719E+18
Volume
9.1258371055784E+26
Height
932624306.36958