126979281 is an odd 9-digits composite number following 126979280
and preceding 126979282 . In scientific notation, it is written as 1.26979281 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 71036640 positive integers (up to 126979281) that are relatively prime to 126979281.
126979281 has 16 divisors, whose sum is 189434880
The reverse of 126979281 is 182979621
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-six million nine hundred seventy-nine thousand two hundred eighty-one
Scientific notation
1.26979281 × 10^8
Engineering notation
1.26979281 × 10^6
Prime Factorization
39 × 3 × 11 × 98663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126979281
Product of the distinct prime numbers
The prime factorization of 126979281 is 39 × 3 × 11 × 98663.
Since it has a total of 4 prime factors.
7 , 3 , 82 , 23 , 961 , 358 , 1969 , 7549 , 4183 , 9016 , 634787 , 518573 , 8619563 , 9365576 , 78526101 , 24261157 , 12339942 , 754609230 , 4318749360 , 6412761603
n×2
253958562
n×3
380937843
n×4
507917124
n×5
634896405
n÷2
63489640.5
n÷3
42326427
n÷3
31744820.25
n÷5
25395856.2
n2
16123737803276961
n3
2.0473806332926E+24
n4
2.5997492074882E+32
n5
3.3011428514717E+40
2 √n
11268.508375113
3 √n
502.62523350777
4 √n
106.15323063908
5 √n
41.75866179309
1 , 3 , 11 , 33 , 39 , 117 , 429 , 1287 , 98663 , 295989 , 1085293 , 3255879 , 3847857 , 11543571 , 42326427 , 126979281
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
-126979280
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 126979281 can be divided by 16 positive divisors.
The sum of these divisors (counting 126979281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100011000110011010001
3
Ternary
22211221012211100
4
Quaternary
13210120303101
5
Quinary
230001314111
6
Senary
20333335013
8
Octal
744306321
10
Decimal
126979281
12
Duodecimal
36637469
16
Hexadecimal
7918cd1
20
Vigesimal
1jdc841
36
Base36
23llu9
md5
9f6d4fc9ff3d64c2ec3b3159a14530a2
sha1
9e44c6abc6f7bb0352d4144412d37d6846728eba
sha256
2218a30cf9d6f639b55e90dacb64ce46eec9019d3d39dccb6d823be0119b011b
sha512
1d3530789ee5853c1122a5a00f1dc79ad6d5c5bbc7644893a4af24069c00224bf2039cb84c45dcd5d8628c4535124b8a853301b1736b7903fd6ef10107571188
ripemd-160
d04064ee229e23d2b07c6ef5145f33ee43723bf1
Diameter
253958562
Circumference
797834352.69543
Area
5.0654216231183E+16
Volume
8.5760479422055E+24
Surface area
2.0261686492473E+17
Circumference
797834352.69543
Perimeter
507917124
Area
16123737803276961
Diagonal
179575821.33058
Surface area
96742426819661766
Volume
2.0473806332926E+24
Space diagonal
219934566.20057
Perimeter
380937843
Area
6.9817832707987E+15
Altitude
109967283.10028
Surface area
6.9817832707987E+15
Volume
2.4128612157854E+23
Height
59858607.110195