1994698721 is an odd 10-digits composite number following 1994698720
and preceding 1994698722 . In scientific notation, it is written as 1.994698721 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1974238560 positive integers (up to 1994698721) that are relatively prime to 1994698721.
1994698721 has 8 divisors, whose sum is 2015180544
The reverse of 1994698721 is 1278964991
Previous prime number is 2297
Is Prime? no Number parity odd Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred ninety-four million six hundred ninety-eight thousand seven hundred twenty-one
Scientific notation
1.994698721 × 10^9
Engineering notation
1.994698721 × 10^9
Prime Factorization
103 × 2297 × 8431
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1994698721 Product of the distinct prime numbers
The prime factorization of 1994698721 is 103 × 2297 × 8431.
Since it has a total of 3 prime factors.
3 , 7 , 44 , 4 , 162 , 676 , 1276 , 4416 , 44589 , 21556 , 962714 , 358638 , 2741351 , 4865091 , 62361700 , 1663964 , 615527361 , 867105758 , 405733292 , 8808583346
n×2
3989397442
n×3
5984096163
n×4
7978794884
n×5
9973493605
n÷2
997349360.5
n÷3
664899573.66667
n÷3
498674680.25
n÷5
398939744.2
n2
3978822987559035841
n3
7.9365531243694E+27
n4
1.5831032366328E+37
n5
3.1578140013224E+46
2 √n44662.05012088
3 √n1258.8068660471
4 √n211.33397767723
5 √n72.439502972977
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1994698720 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1994698721 can be divided by 8 positive divisors.
The sum of these divisors (counting 1994698721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110111001001010111111100001
3
Ternary
12011000101012020102
4
Quaternary
1312321022333201
5
Quinary
13041120324341
6
Senary
525533152145
8
Octal
16671127741
10
Decimal
1994698721
12
Duodecimal
47802b655
16
Hexadecimal
76e4afe1
20
Vigesimal
1b36h6g1
36
Base36
wzlbdt
md5
c5c3c8c7b8e182fc92a05ac80179d1ff
sha1
f807c41bd1a5ae8e530c3799882ca66e54f87923
sha256
3cd3713ac66b3148dbb07920717e0c4a936a52c972dd6377680fa26f1e16134d
sha512
90c5aca32c35a238007ff59808a9d7d6a276a90047c4921943bbc73e76d4cecd53b314ee6fc9dc98252c51b39f940d807ccbf8ec7bc4a93479bc9b2109e175be
ripemd-160
9b07d92b4cf9e5556f60423b98a35d3082e86882
Diameter
3989397442
Circumference
12533061696.037
Area
1.249984106765E+19
Volume
3.3244555987125E+28
Surface area
4.9999364270599E+19
Circumference
12533061696.037
Perimeter
7978794884
Area
3978822987559035841
Diagonal
2820929984.0865
Surface area
2.3872937925354E+19
Volume
7.9365531243694E+27
Space diagonal
3454919530.5647
Perimeter
5984096163
Area
1.7228808921938E+18
Altitude
1727459765.2823
Surface area
1.7228808921938E+18
Volume
9.3533175558148E+26
Height
940309994.69549