61487989 is an odd 8-digits prime number following 61487988
and preceding 61487990 . In scientific notation, it is written as 6.1487989 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 61487988 positive integers (up to 61487989) that are relatively prime to 61487989.
61487989 has 2 divisors, whose sum is 61487990
The reverse of 61487989 is 98978416
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
sixty-one million four hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
6.1487989 × 10^7
Engineering notation
6.1487989 × 10^6
Prime Factorization
61487989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
61487989 Product of the distinct prime numbers
The prime factorization of 61487989 is 61487989.
Since it has a total of 1 prime factors.
5 , 10 , 71 , 21 , 753 , 955 , 1546 , 9265 , 52819 , 19528 , 138648 , 208312 , 8993913 , 7426335 , 86641245 , 88915582 , 258667889 , 287343975 , 7316031909 , 8045733327
n×2
122975978
n×3
184463967
n×4
245951956
n×5
307439945
n÷2
30743994.5
n÷3
20495996.333333
n÷3
15371997.25
n÷5
12297597.8
n2
3780772791264121
n3
2.3247211580075E+23
n4
1.4294242899163E+31
n5
8.7892425014707E+38
2 √n7841.4277398953
3 √n394.69664044416
4 √n88.551836456933
5 √n36.120858005726
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
61487990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
30743995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
7841.4278036592 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999674733 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61487989 can be divided by 2 positive divisors.
The sum of these divisors (counting 61487989) is 61487990, the average is 30743995.
Base
System
Value
2
Binary
11101010100011101101110101
3
Ternary
11021200220122221
4
Quaternary
3222203231311
5
Quinary
111220103424
6
Senary
10033522341
8
Octal
352435565
10
Decimal
61487989
12
Duodecimal
187133b1
16
Hexadecimal
3aa3b75
20
Vigesimal
j45jj9
36
Base36
10lwfp
md5
dbb0a7add4e2c43f55cff0bcfdb2312e
sha1
88e3954d6340cd0132f3f61f360cc3b594bc4c51
sha256
4b4d08758d181424a46eb525cbabaf3a738aa30c1c7a36f0f874d61d6ca22e59
sha512
6f5296d67035ae6f28564fc9c956aefdc67e371274184af5632b72815c9f764bdbf31f2ce844db90f8ee1523af9555e6df3122d3d1d5389b817ff282f1c52c97
ripemd-160
779bc1e9f69139db399c28e327dae6c7819ed725
Diameter
122975978
Circumference
386340429.05282
Area
1.1877648025928E+16
Volume
9.7377692155214E+23
Surface area
4.751059210371E+16
Circumference
386340429.05282
Perimeter
245951956
Area
3780772791264121
Diagonal
86957147.966848
Surface area
22684636747584726
Volume
2.3247211580075E+23
Space diagonal
106500321.00324
Perimeter
184463967
Area
1.6371226415859E+15
Altitude
53250160.501618
Surface area
1.6371226415859E+15
Volume
2.7397101586582E+22
Height
28985715.988949