1991231067 is an odd 10-digits composite number following 1991231066
and preceding 1991231068 . In scientific notation, it is written as 1.991231067 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1137846312 positive integers (up to 1991231067) that are relatively prime to 1991231067.
1991231067 has 8 divisors, whose sum is 3034256896
The reverse of 1991231067 is 7601321991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion nine hundred ninety-one million two hundred thirty-one thousand sixty-seven
Scientific notation
1.991231067 × 10^9
Engineering notation
1.991231067 × 10^9
Prime Factorization
3 × 7 × 94820527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1991231067
Product of the distinct prime numbers
The prime factorization of 1991231067 is 3 × 7 × 94820527.
Since it has a total of 3 prime factors.
10 , 7 , 66 , 70 , 835 , 577 , 2617 , 4479 , 37781 , 94762 , 380401 , 677061 , 6636170 , 3758739 , 86162088 , 38447446 , 414373306 , 385039500 , 9867711471 , 6402391062
n×2
3982462134
n×3
5973693201
n×4
7964924268
n×5
9956155335
n÷2
995615533.5
n÷3
663743689
n÷3
497807766.75
n÷5
398246213.4
n2
3965001162185958489
n3
7.8952334948358E+27
n4
1.5721234216136E+37
n5
3.1304609982753E+46
2 √n
44623.212199482
3 √n
1258.0769916474
4 √n
211.2420701458
5 √n
72.414299167854
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
-1991231066
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 1991231067 can be divided by 8 positive divisors.
The sum of these divisors (counting 1991231067) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101011111100011001011011
3
Ternary
12010202212000111210
4
Quaternary
1312223330121123
5
Quinary
13034223343232
6
Senary
525330554203
8
Octal
16653743133
10
Decimal
1991231067
12
Duodecimal
476a38963
16
Hexadecimal
76afc65b
20
Vigesimal
1b253hd7
36
Base36
wxizq3
md5
9d5c60d0b693dfb05504870421212831
sha1
124db1138fe973c73280fc1e86a87f8868701155
sha256
f31d712b55d8fcd48afdf0bf9aad916568ac0dd174d65c000052a03145178305
sha512
06ded00cceacdbf2c573ed683ae8d1c2f6334c04b55a4186436702d193f3817cab3547c449a8b2ec7f99959e40ba0b4b659f948b2dd10fa0b2eff359fc1f674f
ripemd-160
d4524e06cb6e12888cd4c704f5aad680a6c38553
Diameter
3982462134
Circumference
12511273783.374
Area
1.2456418522598E+19
Volume
3.307147672767E+28
Surface area
4.9825674090394E+19
Circumference
12511273783.374
Perimeter
7964924268
Area
3965001162185958489
Diagonal
2816025980.77
Surface area
2.3790006973116E+19
Volume
7.8952334948358E+27
Space diagonal
3448913377.6536
Perimeter
5973693201
Area
1.7168958662439E+18
Altitude
1724456688.8268
Surface area
1.7168958662439E+18
Volume
9.3046219054159E+26
Height
938675326.92335