15742021 is an odd 8-digits composite number following 15742020
and preceding 15742022 . In scientific notation, it is written as 1.5742021 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 15680512 positive integers (up to 15742021) that are relatively prime to 15742021.
15742021 has 4 divisors, whose sum is 15803532
The reverse of 15742021 is 12024751
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
fifteen million seven hundred forty-two thousand twenty-one
Scientific notation
1.5742021 × 10^7
Engineering notation
1.5742021 × 10^6
Prime Factorization
257 × 61253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15742021
Product of the distinct prime numbers
The prime factorization of 15742021 is 257 × 61253.
Since it has a total of 2 prime factors.
7 , 1 , 69 , 7 , 676 , 167 , 6020 , 8456 , 92577 , 35349 , 328494 , 981049 , 5581124 , 3040168 , 59359199 , 54281987 , 810004089 , 990319432 , 7450055249 , 4470601471
n×2
31484042
n×3
47226063
n×4
62968084
n×5
78710105
n÷2
7871010.5
n÷3
5247340.3333333
n÷3
3935505.25
n÷5
3148404.2
n2
247811225164441
n3
3.9010495105744E+21
n4
6.1410403317501E+28
n5
9.6672385864257E+35
2 √n
3967.6215797377
3 √n
250.62256038736
4 √n
62.989059206641
5 √n
27.505028385491
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15742020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15742021 can be divided by 4 positive divisors.
The sum of these divisors (counting 15742021) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100000011010001000101
3
Ternary
1002121202222211
4
Quaternary
330003101011
5
Quinary
13012221041
6
Senary
1321223421
8
Octal
74032105
10
Decimal
15742021
12
Duodecimal
5331b71
16
Hexadecimal
f03445
20
Vigesimal
4i7f11
36
Base36
9demd
md5
91ced17612976d04a21bb2c0a46b8762
sha1
ce5dfa5c998a714fdde2f5b1014f778483737c16
sha256
5f55bd0e5777b161af2be05a22725e4d8d1108133ba51df95e65f7c1936222ac
sha512
5cb8753379c4d848a3a04799034f548f4aa291692d3f8edb04fda494d0e566d30e0ce0f86874bdd7488215e323d13260708d8d7842921e377f06ff43a3cff0e9
ripemd-160
3abc309eacdb3cd724a749843566c0ef013be434
Diameter
31484042
Circumference
98910035.052512
Area
7.7852192445369E+14
Volume
1.6340677978281E+22
Surface area
3.1140876978148E+15
Circumference
98910035.052512
Perimeter
62968084
Area
247811225164441
Diagonal
22262579.597362
Surface area
1486867350986646
Volume
3.9010495105744E+21
Space diagonal
27265980.185816
Perimeter
47226063
Area
1.0730540816768E+14
Altitude
13632990.092908
Surface area
1.0730540816768E+14
Volume
4.597430937786E+20
Height
7420859.8657874