1978394913 is an odd 10-digits composite number following 1978394912
and preceding 1978394914 . In scientific notation, it is written as 1.978394913 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 1199027160 positive integers (up to 1978394913) that are relatively prime to 1978394913.
1978394913 has 12 divisors, whose sum is 3117470928
The reverse of 1978394913 is 3194938791
Previous prime number is 11
Is Prime? no Number parity odd Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion nine hundred seventy-eight million three hundred ninety-four thousand nine hundred thirteen
Scientific notation
1.978394913 × 10^9
Engineering notation
1.978394913 × 10^9
Prime Factorization
3 × 3 × 11 × 19983787
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
659464971 Product of the distinct prime numbers
The prime factorization of 1978394913 is 3 × 3 × 11 × 19983787.
Since it has a total of 4 prime factors.
7 , 2 , 80 , 38 , 15 , 168 , 3357 , 773 , 93671 , 18679 , 895578 , 280568 , 1620757 , 1018997 , 29878731 , 82312560 , 744717337 , 658283160 , 8892415480 , 2600218197
n×2
3956789826
n×3
5935184739
n×4
7913579652
n×5
9891974565
n÷2
989197456.5
n÷3
659464971
n÷3
494598728.25
n÷5
395678982.6
n2
3914046431784277569
n3
7.7435295498878E+27
n4
1.5319759470163E+37
n5
3.0308534204155E+46
2 √n44479.151441996
3 √n1255.367830891
4 √n210.90080948635
5 √n72.320696046884
1 , 3 , 9 , 11 , 33 , 99 , 19983787 , 59951361 , 179854083 , 219821657 , 659464971 , 1978394913
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1978394912 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1978394913 can be divided by 12 positive divisors.
The sum of these divisors (counting 1978394913) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101111010111110100100100001
3
Ternary
12002212200212121200
4
Quaternary
1311322332210201
5
Quinary
13022432114123
6
Senary
524151511413
8
Octal
16572764441
10
Decimal
1978394913
12
Duodecimal
472688569
16
Hexadecimal
75ebe921
20
Vigesimal
1ai4j75d
36
Base36
wpvva9
md5
76abf3918eff613ceb637f594de6481d
sha1
c76ff47ad2a75cc9002280b3851606e68905c644
sha256
5eb231579e2b86db29c8db6212695a96f57a1679b9d6ed7e64f2f2c015b451ed
sha512
9d5b6838a4409836b8e950a907901bbf949b7f9404d0d3e2a307bd55af59a37a3b3bc2f42053689dfb90c1bad56a8c29e5bdd9e4a285ed4e4130a81143cf2646
ripemd-160
b54b70379275d798504fb327b6f3cfc5267606ff
Diameter
3956789826
Circumference
12430621849.16
Area
1.2296339515903E+19
Volume
3.2436020729044E+28
Surface area
4.9185358063611E+19
Circumference
12430621849.16
Perimeter
7913579652
Area
3914046431784277569
Diagonal
2797872917.6945
Surface area
2.3484278590706E+19
Volume
7.7435295498878E+27
Space diagonal
3426680506.7518
Perimeter
5935184739
Area
1.6948318207585E+18
Altitude
1713340253.3759
Surface area
1.6948318207585E+18
Volume
9.1258370917401E+26
Height
932624305.89818