1994178081 is an odd 10-digits composite number following 1994178080
and preceding 1994178082 . In scientific notation, it is written as 1.994178081 × 10^9.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 1072498944 positive integers (up to 1994178081) that are relatively prime to 1994178081.
1994178081 has 16 divisors, whose sum is 3217497984
The reverse of 1994178081 is 1808714991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion nine hundred ninety-four million one hundred seventy-eight thousand eighty-one
Scientific notation
1.994178081 × 10^9
Engineering notation
1.994178081 × 10^9
Prime Factorization
3 × 17 × 7 × 5585933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1994178081
Product of the distinct prime numbers
The prime factorization of 1994178081 is 3 × 17 × 7 × 5585933.
Since it has a total of 4 prime factors.
7 , 6 , 56 , 99 , 817 , 760 , 8284 , 6659 , 77135 , 15826 , 36320 , 876536 , 5111942 , 9390436 , 53292226 , 72805693 , 510286321 , 206014519 , 3568605925 , 2915106683
n×2
3988356162
n×3
5982534243
n×4
7976712324
n×5
9970890405
n÷2
997089040.5
n÷3
664726027
n÷3
498544520.25
n÷5
398835616.2
n2
3976746218740842561
n3
7.9303401431126E+27
n4
1.581451048827E+37
n5
3.1536950177452E+46
2 √n
44656.221078367
3 √n
1258.697335348
4 √n
211.32018615922
5 √n
72.435721064395
1 , 3 , 7 , 17 , 21 , 51 , 119 , 357 , 5585933 , 16757799 , 39101531 , 94960861 , 117304593 , 284882583 , 664726027 , 1994178081
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1994178080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1994178081 can be divided by 16 positive divisors.
The sum of these divisors (counting 1994178081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110111001011111000100001
3
Ternary
12010222101202001110
4
Quaternary
1312313023320201
5
Quinary
13041002144311
6
Senary
525514053533
8
Octal
16667137041
10
Decimal
1994178081
12
Duodecimal
477a1a2a9
16
Hexadecimal
76dcbe21
20
Vigesimal
1b33c541
36
Base36
wza5nl
md5
d15287d519e3dc0c949527316d26dd1b
sha1
3a396e36212e9dd61b6af8fb40f6f9839549d15d
sha256
5324ed6986faa0ab0fed58f02eb39c5d1daa681b2d238c3fd0eed17a926ea0b2
sha512
e022356f818bcbeb3b3ef80fd00bc8c2c151047315b8fdd590c7fc61af0c26a89170184571932094d9eebbd08984ab33ec2cd86145cf00c4deca49d1dcc88ef5
ripemd-160
d76b15b215971518a39e98a9f53ed8ca24430da2
Diameter
3988356162
Circumference
12529790418.439
Area
1.2493316705987E+19
Volume
3.3218531112094E+28
Surface area
4.9973266823949E+19
Circumference
12529790418.439
Perimeter
7976712324
Area
3976746218740842561
Diagonal
2820193687.9374
Surface area
2.3860477312445E+19
Volume
7.9303401431126E+27
Space diagonal
3454017755.6322
Perimeter
5982534243
Area
1.7219816249166E+18
Altitude
1727008877.8161
Surface area
1.7219816249166E+18
Volume
9.3459954871847E+26
Height
940064562.64578