7139981 is an odd 7-digits composite number following 7139980
and preceding 7139982 . In scientific notation, it is written as 7.139981 × 10^6.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 7120764 positive integers (up to 7139981) that are relatively prime to 7139981.
7139981 has 4 divisors, whose sum is 7159200
The reverse of 7139981 is 1899317
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
seven million one hundred thirty-nine thousand nine hundred eighty-one
Scientific notation
7.139981 × 10^6
Engineering notation
7.139981 × 10^6
Prime Factorization
379 × 18839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7139981
Product of the distinct prime numbers
The prime factorization of 7139981 is 379 × 18839.
Since it has a total of 2 prime factors.
2 , 9 , 95 , 95 , 833 , 179 , 2652 , 7776 , 91762 , 29621 , 309839 , 556831 , 506598 , 7276020 , 54579825 , 64347143 , 576278828 , 599377667 , 2673096662 , 9830718738
n×2
14279962
n×3
21419943
n×4
28559924
n×5
35699905
n÷2
3569990.5
n÷3
2379993.6666667
n÷3
1784995.25
n÷5
1427996.2
n2
50979328680361
n3
3.6399143817053E+20
n4
2.5988919527003E+27
n5
1.8556039163333E+34
2 √n
2672.0742878895
3 √n
192.55982623543
4 √n
51.69211049947
5 √n
23.482233986182
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
-7139980
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 7139981 can be divided by 4 positive divisors.
The sum of these divisors (counting 7139981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11011001111001010001101
3
Ternary
111102202012202
4
Quaternary
123033022031
5
Quinary
3311434411
6
Senary
413011245
8
Octal
33171215
10
Decimal
7139981
12
Duodecimal
2483b25
16
Hexadecimal
6cf28d
20
Vigesimal
24c9j1
36
Base36
4918t
md5
617ed1d0ad7a14c9e65352b76e92f3eb
sha1
6687b09fc8ba01f74a416080a592d3fc8707654a
sha256
14bb866816e8a36d044880d3390652a8cb5d6137f99a1126b870120b2fbb1169
sha512
0d176c1f448b8d9bb4ec5300f31e022b54dc1d8a073bb5982170a227224a4f7cfec04f2f4f4a8aa77a2571a766d47d0ac0e7cc4412b1769a3e6998f54ea2e0a9
ripemd-160
94aa1fc6d18d78e5243c161994105822f34175cc
Diameter
14279962
Circumference
44861823.712741
Area
1.6015628446716E+14
Volume
1.5246837708348E+21
Surface area
6.4062513786865E+14
Circumference
44861823.712741
Perimeter
28559924
Area
50979328680361
Diagonal
10097457.965286
Surface area
305875972082166
Volume
3.6399143817053E+20
Space diagonal
12366809.857076
Perimeter
21419943
Area
22074696852535
Altitude
6183404.9285382
Surface area
22074696852535
Volume
4.2896802370705E+19
Height
3365819.3217621