1978394916 is an even 10-digits composite number following 1978394915
and preceding 1978394917 . In scientific notation, it is written as 1.978394916 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 659464968 positive integers (up to 1978394916) that are relatively prime to 1978394916.
1978394916 has 12 divisors, whose sum is 4616254832
The reverse of 1978394916 is 6194938791
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred seventy-eight million three hundred ninety-four thousand nine hundred sixteen
Scientific notation
1.978394916 × 10^9
Engineering notation
1.978394916 × 10^9
Prime Factorization
2 × 2 × 3 × 164866243
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
989197458 Product of the distinct prime numbers
The prime factorization of 1978394916 is 2 × 2 × 3 × 164866243.
Since it has a total of 4 prime factors.
7 , 7 , 26 , 54 , 634 , 946 , 4547 , 8460 , 99954 , 80852 , 378443 , 483943 , 5019709 , 1146131 , 9407128 , 85467246 , 765476078 , 93936749 , 9602741701 , 8601192144
n×2
3956789832
n×3
5935184748
n×4
7913579664
n×5
9891974580
n÷2
989197458
n÷3
659464972
n÷3
494598729
n÷5
395678983.2
n2
3914046443654647056
n3
7.7435295851142E+27
n4
1.5319759563086E+37
n5
3.0308534433951E+46
2 √n44479.151475719
3 √n1255.3678315256
4 √n210.9008095663
5 √n72.320696068817
1 , 2 , 3 , 4 , 6 , 12 , 164866243 , 329732486 , 494598729 , 659464972 , 989197458 , 1978394916
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
-1978394915 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 1978394916 can be divided by 12 positive divisors.
The sum of these divisors (counting 1978394916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101111010111110100100100100
3
Ternary
12002212200212121210
4
Quaternary
1311322332210210
5
Quinary
13022432114131
6
Senary
524151511420
8
Octal
16572764444
10
Decimal
1978394916
12
Duodecimal
472688570
16
Hexadecimal
75ebe924
20
Vigesimal
1ai4j75g
36
Base36
wpvvac
md5
481557b23c181582ca62dff750cc6c09
sha1
3ced0ac971967b1055c0a1e5f4ef9c7e29950bcb
sha256
591899d252fdedc009c166927d7aefe93006f6089a30246356dc596c61f12ed4
sha512
223977a0d1d2de1240a03982e05762cecf7f50359313b7cbe055b4ae33e40d5ac4590604d05b10c77b9a816d863c0d9e5e17dfd14cc36a3fdbe59e88cee82337
ripemd-160
f4335c03f83a2f88c504baf8935efb2094d91d3f
Diameter
3956789832
Circumference
12430621868.01
Area
1.2296339553195E+19
Volume
3.24360208766E+28
Surface area
4.9185358212779E+19
Circumference
12430621868.01
Perimeter
7913579664
Area
3914046443654647056
Diagonal
2797872921.9372
Surface area
2.3484278661928E+19
Volume
7.7435295851142E+27
Space diagonal
3426680511.948
Perimeter
5935184748
Area
1.6948318258985E+18
Altitude
1713340255.974
Surface area
1.6948318258985E+18
Volume
9.1258371332549E+26
Height
932624307.31239