42407981 is an odd 8-digits composite number following 42407980
and preceding 42407982 . In scientific notation, it is written as 4.2407981 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 30240000 positive integers (up to 42407981) that are relatively prime to 42407981.
42407981 has 32 divisors, whose sum is 56401920
The reverse of 42407981 is 18970424
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
forty-two million four hundred seven thousand nine hundred eighty-one
Scientific notation
4.2407981 × 10^7
Engineering notation
4.2407981 × 10^6
Prime Factorization
11 × 7 × 287 × 19 × 101
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42407981
Product of the distinct prime numbers
The prime factorization of 42407981 is 11 × 7 × 287 × 19 × 101.
Since it has a total of 5 prime factors.
6 , 9 , 85 , 11 , 17 , 982 , 7750 , 1431 , 13719 , 80337 , 645896 , 956776 , 8083119 , 4636351 , 77036168 , 89004059 , 683137346 , 174353422 , 5196969502 , 493510528
n×2
84815962
n×3
127223943
n×4
169631924
n×5
212039905
n÷2
21203990.5
n÷3
14135993.666667
n÷3
10601995.25
n÷5
8481596.2
n2
1798436852496361
n3
7.6268075870365E+22
n4
3.234375112417E+30
n5
1.3716331831425E+38
2 √n
6512.1410457698
3 √n
348.72455778049
4 √n
80.697837925002
5 √n
33.534321163651
1 , 7 , 11 , 19 , 77 , 101 , 133 , 209 , 287 , 707 , 1111 , 1463 , 1919 , 2009 , 3157 , 5453 , 7777 , 13433 , 21109 , 22099 , 28987 , 38171 , 59983 , 147763 , 202909 , 318857 , 419881 , 550753 , 2231999 , 3855271 , 6058283 , 42407981
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42407980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42407981 can be divided by 32 positive divisors.
The sum of these divisors (counting 42407981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10100001110001100000101101
3
Ternary
2221210112210222
4
Quaternary
2201301200231
5
Quinary
41324023411
6
Senary
4112541125
8
Octal
241614055
10
Decimal
42407981
12
Duodecimal
122517a5
16
Hexadecimal
287182d
20
Vigesimal
d50jj1
36
Base36
p8y7h
md5
20fe385da19edb2a1187106dda7a1c74
sha1
784f835b27dd3128a26d95a066684204ae07cbc7
sha256
e4775895c11ab7d6774b4d97c179644c6ecb65f1a78998d2c3156f8e3a8905dd
sha512
f16f8982a44dee0f47664f8c47a05f2a3d538f5a5efae4ede132b96faa07e250dd5ed002b4dec528135651d67c082a07f08fb6007b6686d75956ffa8ace7268b
ripemd-160
276d408b63a7f34685758a8af10c9c1dbbed43b6
Diameter
84815962
Circumference
266457203.12635
Area
5.6499560037477E+15
Volume
3.1947096914369E+23
Surface area
2.2599824014991E+16
Circumference
266457203.12635
Perimeter
169631924
Area
1798436852496361
Diagonal
59973941.883061
Surface area
10790621114978166
Volume
7.6268075870365E+22
Space diagonal
73452777.738416
Perimeter
127223943
Area
7.7874600068199E+14
Altitude
36726388.869208
Surface area
7.7874600068199E+14
Volume
8.9882789393309E+21
Height
19991313.96102