1991456073 is an odd 10-digits composite number following 1991456072
and preceding 1991456074 . In scientific notation, it is written as 1.991456073 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 1306308384 positive integers (up to 1991456073) that are relatively prime to 1991456073.
1991456073 has 16 divisors, whose sum is 2248560000
The reverse of 1991456073 is 3706541991
Previous prime number is 107
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion nine hundred ninety-one million four hundred fifty-six thousand seventy-three
Scientific notation
1.991456073 × 10^9
Engineering notation
1.991456073 × 10^9
Prime Factorization
9 × 149 × 107 × 13879
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1991456073 Product of the distinct prime numbers
The prime factorization of 1991456073 is 9 × 149 × 107 × 13879.
Since it has a total of 4 prime factors.
10 , 5 , 42 , 3 , 243 , 269 , 4032 , 9318 , 51716 , 96478 , 992296 , 555578 , 6149740 , 6046203 , 65124268 , 47726856 , 422087579 , 81658799 , 7036926771 , 5938944960
n×2
3982912146
n×3
5974368219
n×4
7965824292
n×5
9957280365
n÷2
995728036.5
n÷3
663818691
n÷3
497864018.25
n÷5
398291214.6
n2
3965897290688581329
n3
7.897910244436E+27
n4
1.5728341320291E+37
n5
3.132230084051E+46
2 √n44625.733304899
3 √n1258.1243767742
4 √n211.24803739893
5 √n72.415935634425
1 , 9 , 107 , 149 , 963 , 1341 , 13879 , 15943 , 124911 , 143487 , 1485053 , 2067971 , 13365477 , 18611739 , 221272897 , 1991456073
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
-1991456072 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 1991456073 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991456073) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101100110011010101001001
3
Ternary
12010210021110011100
4
Quaternary
1312230303111021
5
Quinary
13034303043243
6
Senary
525335452013
8
Octal
16654632511
10
Decimal
1991456073
12
Duodecimal
476b27009
16
Hexadecimal
76b33549
20
Vigesimal
1b26c03d
36
Base36
wxntc9
md5
d4495c115dcbb9aaf6975479137d0e51
sha1
d78a68e18444ff04c1d34e7e52766b46d083959f
sha256
e4ae9057efbac6d01be426c2b9ddfef66bceb92facac39255ac01f7534d3e861
sha512
9d6ab3c3ba9febeac06773344e963f0392c8f6e3c028e0eddac1600c4727e60fcd9ed37f8c57246211aa86b2b95d3cd035237792fb22b53f265282c26143682e
ripemd-160
2470332ae27ff80987aa6976c1010ed2058ac757
Diameter
3982912146
Circumference
12512687537.767
Area
1.2459233793319E+19
Volume
3.3082689070176E+28
Surface area
4.9836935173276E+19
Circumference
12512687537.767
Perimeter
7965824292
Area
3965897290688581329
Diagonal
2816344187.3069
Surface area
2.3795383744131E+19
Volume
7.897910244436E+27
Space diagonal
3449303099.4776
Perimeter
5974368219
Area
1.7172839012681E+18
Altitude
1724651549.7388
Surface area
1.7172839012681E+18
Volume
9.3077764850724E+26
Height
938781395.76895