1991231073 is an odd 10-digits composite number following 1991231072
and preceding 1991231074 . In scientific notation, it is written as 1.991231073 × 10^9.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 1225372752 positive integers (up to 1991231073) that are relatively prime to 1991231073.
1991231073 has 16 divisors, whose sum is 3176893440
The reverse of 1991231073 is 3701321991
Previous prime number is 13
Is Prime? no Number parity odd Number length 10 Sum of Digits 36 Digital Root 9
Name
one billion nine hundred ninety-one million two hundred thirty-one thousand seventy-three
Scientific notation
1.991231073 × 10^9
Engineering notation
1.991231073 × 10^9
Prime Factorization
3 × 3 × 3 × 13 × 5673023
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
221247897 Product of the distinct prime numbers
The prime factorization of 1991231073 is 3 × 3 × 3 × 13 × 5673023.
Since it has a total of 5 prime factors.
5 , 7 , 57 , 43 , 687 , 528 , 7158 , 1878 , 6150 , 57571 , 669726 , 993420 , 5602774 , 9803085 , 4289612 , 77370968 , 883174007 , 990928153 , 2275619000 , 1114732212
n×2
3982462146
n×3
5973693219
n×4
7964924292
n×5
9956155365
n÷2
995615536.5
n÷3
663743691
n÷3
497807768.25
n÷5
398246214.6
n2
3965001186080731329
n3
7.8952335662058E+27
n4
1.5721234405622E+37
n5
3.130461045439E+46
2 √n44623.212266712
3 √n1258.076992911
4 √n211.24207030493
5 √n72.414299211494
1 , 3 , 9 , 13 , 27 , 39 , 117 , 351 , 5673023 , 17019069 , 51057207 , 73749299 , 153171621 , 221247897 , 663743691 , 1991231073
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
-1991231072 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 1991231073 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991231073) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101011111100011001100001
3
Ternary
12010202212000112000
4
Quaternary
1312223330121201
5
Quinary
13034223343243
6
Senary
525330554213
8
Octal
16653743141
10
Decimal
1991231073
12
Duodecimal
476a38969
16
Hexadecimal
76afc661
20
Vigesimal
1b253hdd
36
Base36
wxizq9
md5
ccd22a975c3812c3f3dd14423af01fb0
sha1
2b9469a81a3025c517464dd4e36e0eb5c42132aa
sha256
a56197ef5428c877d046727d495d37fb6b9232f470992cf06f6dd9b78d203ceb
sha512
fc36c6458fed7f2ee841e0c3cc85dbae6774b3a4f973ec9126cd0aab69b656580f6a5cc3ea1163e555e24695ec0636db2451d71ebcbe3d8b08e6a63121359307
ripemd-160
50e9fa53aefc8e293a48c372f0e0cfebdce3fd0e
Diameter
3982462146
Circumference
12511273821.073
Area
1.2456418597666E+19
Volume
3.3071477026624E+28
Surface area
4.9825674390664E+19
Circumference
12511273821.073
Perimeter
7964924292
Area
3965001186080731329
Diagonal
2816025989.2553
Surface area
2.3790007116484E+19
Volume
7.8952335662058E+27
Space diagonal
3448913388.0459
Perimeter
5973693219
Area
1.7168958765907E+18
Altitude
1724456694.0229
Surface area
1.7168958765907E+18
Volume
9.3046219895263E+26
Height
938675329.75178