1297872191 is an odd 10-digits composite number following 1297872190
and preceding 1297872192 . In scientific notation, it is written as 1.297872191 × 10^9.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 951838080 positive integers (up to 1297872191) that are relatively prime to 1297872191.
1297872191 has 16 divisors, whose sum is 1713312000
The reverse of 1297872191 is 1912787921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion two hundred ninety-seven million eight hundred seventy-two thousand one hundred ninety-one
Scientific notation
1.297872191 × 10^9
Engineering notation
1.297872191 × 10^9
Prime Factorization
7 × 11 × 17 × 991499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1297872191
Product of the distinct prime numbers
The prime factorization of 1297872191 is 7 × 11 × 17 × 991499.
Since it has a total of 4 prime factors.
4 , 10 , 21 , 76 , 564 , 119 , 4663 , 2221 , 56974 , 66556 , 708604 , 719094 , 399998 , 8092757 , 24441464 , 78052116 , 329338000 , 16578605 , 3787134106 , 6022103445
n×2
2595744382
n×3
3893616573
n×4
5191488764
n×5
6489360955
n÷2
648936095.5
n÷3
432624063.66667
n÷3
324468047.75
n÷5
259574438.2
n2
1684472224171140481
n3
2.1862296562636E+27
n4
2.8374466740041E+36
n5
3.6826431316353E+45
2 √n
36025.99326875
3 √n
1090.7971026079
4 √n
189.80514552759
5 √n
66.473169285536
1 , 7 , 11 , 17 , 77 , 119 , 187 , 1309 , 991499 , 6940493 , 10906489 , 16855483 , 76345423 , 117988381 , 185410313 , 1297872191
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
-1297872190
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 1297872191 can be divided by 16 positive divisors.
The sum of these divisors (counting 1297872191) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101010110111111010100111111
3
Ternary
10100110011201221102
4
Quaternary
1031112333110333
5
Quinary
10124223402231
6
Senary
332441523315
8
Octal
11526772477
10
Decimal
1297872191
12
Duodecimal
3027a353b
16
Hexadecimal
4d5bf53f
20
Vigesimal
105be09b
36
Base36
lgpwlb
md5
db27a5a1bb1464c55acc182117b1fe8d
sha1
d25c9473821073f25d2f10ac14f48c17756c5f06
sha256
0c8e4702bdc872cb463016b5d87384ec5607f76aa1cb58aaea9e21e12dc43678
sha512
324e2990589a89815fc83f397803f4b5251f795baf380f4ce365cd902747d11fb8b7a8b3b2aa442ccb5a7a457257f1f8a03c8d412745bf0f62112aa4f8ea6913
ripemd-160
b3b2784a852d9b3767c8fc1447e3414a9d6bce44
Diameter
2595744382
Circumference
8154771481.0882
Area
5.2919255646321E+18
Volume
9.1576573695707E+27
Surface area
2.1167702258528E+19
Circumference
8154771481.0882
Perimeter
5191488764
Area
1684472224171140481
Diagonal
1835468454.7391
Surface area
1.0106833345027E+19
Volume
2.1862296562636E+27
Space diagonal
2247980576.5427
Perimeter
3893616573
Area
7.2939786905074E+17
Altitude
1123990288.2714
Surface area
7.2939786905074E+17
Volume
2.5764963586253E+26
Height
611822818.24636