61657980 is an even 8-digits composite number following 61657979
and preceding 61657981 . In scientific notation, it is written as 6.1657980 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 15474688 positive integers (up to 61657980) that are relatively prime to 61657980.
61657980 has 24 divisors, whose sum is 121867200
The reverse of 61657980 is 08975616
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million six hundred fifty-seven thousand nine hundred eighty
Scientific notation
6.1657980 × 10^7
Engineering notation
6.1657980 × 10^6
Prime Factorization
2 × 2 × 15 × 17 × 60449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30828990
Product of the distinct prime numbers
The prime factorization of 61657980 is 2 × 2 × 15 × 17 × 60449.
Since it has a total of 5 prime factors.
2 , 8 , 9 , 3 , 600 , 801 , 4078 , 9628 , 6850 , 68260 , 709240 , 986100 , 7881721 , 4108188 , 45777270 , 3465271 , 690033591 , 628058899 , 5251465209 , 4046539035
n×2
123315960
n×3
184973940
n×4
246631920
n×5
308289900
n÷2
30828990
n÷3
20552660
n÷3
15414495
n÷5
12331596
n2
3801706497680400
n3
2.3440554319985E+23
n4
1.4452972294505E+31
n5
8.9114107667517E+38
2 √n
7852.2595474169
3 √n
395.06003467148
4 √n
88.61297617966
5 √n
36.14080805438
1 , 2 , 4 , 15 , 17 , 30 , 34 , 60 , 68 , 255 , 510 , 1020 , 60449 , 120898 , 241796 , 906735 , 1027633 , 1813470 , 2055266 , 3626940 , 4110532 , 15414495 , 30828990 , 61657980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61657979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61657980 can be divided by 24 positive divisors.
The sum of these divisors (counting 61657980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101011001101001101111100
3
Ternary
11022000112211220
4
Quaternary
3223031031330
5
Quinary
111241023410
6
Senary
10041313340
8
Octal
353151574
10
Decimal
61657980
12
Duodecimal
18795850
16
Hexadecimal
3acd37c
20
Vigesimal
j574j0
36
Base36
10pjlo
md5
81b8e889e453c91d34cec44d8fe67efe
sha1
2f27176ee08c8c007118ff3dca84889ee82c124b
sha256
a30416a7b881b58ce7d3b40a15e209810281e433a97eff58dd4c0173cd786f41
sha512
988ab74e2c1e29f50385860dd5d03bbd1fbe039fc18f9d788c7ca7cc48ade3ee23024e0a9d957203e99da32fb2d8d318182298ee1d5ac02da3c58347bcce9625
ripemd-160
100b512f5dd4e7c79ba9c3e636efc70c61560446
Diameter
123315960
Circumference
387408514.00637
Area
1.1943413204217E+16
Volume
9.8187564330316E+23
Surface area
4.7773652816869E+16
Circumference
387408514.00637
Perimeter
246631920
Area
3801706497680400
Diagonal
87197551.544529
Surface area
22810238986082400
Volume
2.3440554319985E+23
Space diagonal
106794754.05207
Perimeter
184973940
Area
1.6461872023618E+15
Altitude
53397377.026033
Surface area
1.6461872023618E+15
Volume
2.7624958190721E+22
Height
29065850.514843