1991438103 is an odd 10-digits composite number following 1991438102
and preceding 1991438104 . In scientific notation, it is written as 1.991438103 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 1320146016 positive integers (up to 1991438103) that are relatively prime to 1991438103.
1991438103 has 16 divisors, whose sum is 2670243840
The reverse of 1991438103 is 3018341991
Previous prime number is 877
Is Prime? no Number parity odd Number length 10 Sum of Digits 39 Digital Root 3
Name
one billion nine hundred ninety-one million four hundred thirty-eight thousand one hundred three
Scientific notation
1.991438103 × 10^9
Engineering notation
1.991438103 × 10^9
Prime Factorization
3 × 239 × 877 × 3167
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1991438103 Product of the distinct prime numbers
The prime factorization of 1991438103 is 3 × 239 × 877 × 3167.
Since it has a total of 4 prime factors.
5 , 6 , 60 , 25 , 426 , 314 , 1815 , 6607 , 16764 , 11434 , 501496 , 311728 , 224594 , 6621355 , 41262616 , 12549228 , 537483923 , 380109213 , 3766641865 , 8226855900
n×2
3982876206
n×3
5974314309
n×4
7965752412
n×5
9957190515
n÷2
995719051.5
n÷3
663812701
n÷3
497859525.75
n÷5
398287620.6
n2
3965825718080238609
n3
7.8976964448423E+27
n4
1.5727773626187E+37
n5
3.1320887674547E+46
2 √n44625.531963216
3 √n1258.1205925141
4 √n211.2475608456
5 √n72.415804944216
1 , 3 , 239 , 717 , 877 , 2631 , 3167 , 9501 , 209603 , 628809 , 756913 , 2270739 , 2777459 , 8332377 , 663812701 , 1991438103
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
-1991438102 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 1991438103 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991438103) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101100101110111100010111
3
Ternary
12010210020112111210
4
Quaternary
1312230232330113
5
Quinary
13034302004403
6
Senary
525335232503
8
Octal
16654567427
10
Decimal
1991438103
12
Duodecimal
476b18733
16
Hexadecimal
76b2ef17
20
Vigesimal
1b269f53
36
Base36
wxnfh3
md5
774a7a3b5135299f87f082c1c9aed3bc
sha1
4593c5f08337f10ea5e6164522cccf738e8b22e4
sha256
91b586e2d6f0db312d296af114f004a25f3eee8e63426be455ac3b9bad1d1c40
sha512
c3d32ee2cfe07eaa5c89356b6a4b2258c4d779fedb6f17695e640cdcf38207774f88f39c7fe3b2978da9a46181f22005e56a9df332e45129de60dbe6b1c02f52
ripemd-160
436cd8a674acdd91844f1e0cb5ecf7d6330e290c
Diameter
3982876206
Circumference
12512574628.927
Area
1.2459008941338E+19
Volume
3.3081793508532E+28
Surface area
4.9836035765353E+19
Circumference
12512574628.927
Perimeter
7965752412
Area
3965825718080238609
Diagonal
2816318773.8891
Surface area
2.3794954308481E+19
Volume
7.8976964448423E+27
Space diagonal
3449271974.5246
Perimeter
5974314309
Area
1.7172529094196E+18
Altitude
1724635987.2623
Surface area
1.7172529094196E+18
Volume
9.3075245198348E+26
Height
938772924.62972