61907981 is an odd 8-digits prime number following 61907980
and preceding 61907982 . In scientific notation, it is written as 6.1907981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 61907980 positive integers (up to 61907981) that are relatively prime to 61907981.
61907981 has 2 divisors, whose sum is 61907982
The reverse of 61907981 is 18970916
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-one million nine hundred seven thousand nine hundred eighty-one
Scientific notation
6.1907981 × 10^7
Engineering notation
6.1907981 × 10^6
Prime Factorization
61907981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
61907981
Product of the distinct prime numbers
The prime factorization of 61907981 is 61907981.
Since it has a total of 1 prime factors.
10 , 10 , 57 , 72 , 33 , 55 , 9291 , 7836 , 57509 , 95544 , 18029 , 645793 , 3583345 , 9089206 , 42147632 , 74447644 , 29657384 , 543011517 , 9256696683 , 2581274230
n×2
123815962
n×3
185723943
n×4
247631924
n×5
309539905
n÷2
30953990.5
n÷3
20635993.666667
n÷3
15476995.25
n÷5
12381596.2
n2
3832598111496361
n3
2.3726841106715E+23
n4
1.4688808284245E+31
n5
9.0935446417371E+38
2 √n
7868.1624919672
3 √n
395.59325690541
4 √n
88.702663387112
5 √n
36.170068240467
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
61907982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
30953991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
7868.1625555145
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999967694
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61907981 can be divided by 2 positive divisors.
The sum of these divisors (counting 61907981) is 61907982, the average is 30953991.
Base
System
Value
2
Binary
11101100001010010000001101
3
Ternary
11022111020210012
4
Quaternary
3230022100031
5
Quinary
111322023411
6
Senary
10050523005
8
Octal
354122015
10
Decimal
61907981
12
Duodecimal
18896465
16
Hexadecimal
3b0a40d
20
Vigesimal
j6i9j1
36
Base36
10uwi5
md5
912ed04709ca95478b3cc6b5364c0bc1
sha1
16e78f42c2cfcdf9a325367e7dba4d7d5c8d9c34
sha256
a639b67d20e26e6dd8f28bbb276e9c94e622665f611115e2c581e3ccd880f939
sha512
9bc9104c2cf30892d950178ec6c55a78f5513e6a80a3fd9d8921ef06a9fab6a6359c255c63f1625f79f00b1efa4fc34ef19eb57d78212acdb91887dd5c389f04
ripemd-160
9d4a821cef7eab0c2133f031a11d2402c7402bf5
Diameter
123815962
Circumference
388979316.61635
Area
1.2040462071239E+16
Volume
9.9386759618332E+23
Surface area
4.8161848284956E+16
Circumference
388979316.61635
Perimeter
247631924
Area
3832598111496361
Diagonal
87551106.349336
Surface area
22995588668978166
Volume
2.3726841106715E+23
Space diagonal
107227768.48601
Perimeter
185723943
Area
1.6595636635261E+15
Altitude
53613884.243004
Surface area
1.6595636635261E+15
Volume
2.796235040449E+22
Height
29183702.116445