15972021 is an odd 8-digits composite number following 15972020
and preceding 15972022 . In scientific notation, it is written as 1.5972021 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 9828000 positive integers (up to 15972021) that are relatively prime to 15972021.
15972021 has 12 divisors, whose sum is 19218660
The reverse of 15972021 is 12027951
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
fifteen million nine hundred seventy-two thousand twenty-one
Scientific notation
1.5972021 × 10^7
Engineering notation
1.5972021 × 10^6
Prime Factorization
9 × 13 × 13 × 10501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1228617
Product of the distinct prime numbers
The prime factorization of 15972021 is 9 × 13 × 13 × 10501.
Since it has a total of 4 prime factors.
3 , 6 , 71 , 98 , 512 , 895 , 8454 , 542 , 89581 , 5597 , 278641 , 506961 , 1342856 , 5034721 , 95967674 , 65528686 , 991420420 , 730783539 , 8223229938 , 377007238
n×2
31944042
n×3
47916063
n×4
63888084
n×5
79860105
n÷2
7986010.5
n÷3
5324007
n÷3
3993005.25
n÷5
3194404.2
n2
255105454824441
n3
4.0745496816705E+21
n4
6.5078793081185E+28
n5
1.0394398497473E+36
2 √n
3996.5010947077
3 √n
251.83724373358
4 √n
63.217885876607
5 √n
27.584935607545
1 , 9 , 13 , 117 , 169 , 1521 , 10501 , 94509 , 136513 , 1228617 , 1774669 , 15972021
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15972020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15972021 can be divided by 12 positive divisors.
The sum of these divisors (counting 15972021) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100111011011010110101
3
Ternary
1010001110111100
4
Quaternary
330323122311
5
Quinary
13042101041
6
Senary
1330200313
8
Octal
74733265
10
Decimal
15972021
12
Duodecimal
5423099
16
Hexadecimal
f3b6b5
20
Vigesimal
4jga11
36
Base36
9ic39
md5
6b45b618f92b85eb610c8242c4de7c83
sha1
221470da285513fca8f1ed1691a51f02ce829f90
sha256
12f942aac80454dcfb0ef3174aa8d0d16d94ff3dfd2c558996447d760c2f2b03
sha512
575cee9279e98d86a89bbb8dcdc6f256e1482d7e29fc8c9b50a2f16f6b3834d794191731fb38154ee369ca6aa2631b0b6dd336f5662cf46ed084c2c1443846e6
ripemd-160
671f1d53804abba59f9d658b67b0c629bf679249
Diameter
31944042
Circumference
100355167.67316
Area
8.0143742276715E+14
Volume
1.7067433795497E+22
Surface area
3.2057496910686E+15
Circumference
100355167.67316
Perimeter
63888084
Area
255105454824441
Diagonal
22587848.716708
Surface area
1530632728946646
Volume
4.0745496816705E+21
Space diagonal
27664351.871557
Perimeter
47916063
Area
1.1046390226097E+14
Altitude
13832175.935779
Surface area
1.1046390226097E+14
Volume
4.8019028503179E+20
Height
7529282.9055693