61911897 is an odd 8-digits composite number following 61911896
and preceding 61911898 . In scientific notation, it is written as 6.1911897 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 39014976 positive integers (up to 61911897) that are relatively prime to 61911897.
61911897 has 24 divisors, whose sum is 87295104
The reverse of 61911897 is 79811916
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million nine hundred eleven thousand eight hundred ninety-seven
Scientific notation
6.1911897 × 10^7
Engineering notation
6.1911897 × 10^6
Prime Factorization
3 × 29 × 29 × 53 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2134893
Product of the distinct prime numbers
The prime factorization of 61911897 is 3 × 29 × 29 × 53 × 463.
Since it has a total of 5 prime factors.
2 , 5 , 27 , 18 , 125 , 569 , 363 , 482 , 25730 , 67785 , 967868 , 755026 , 5920047 , 3877737 , 29135740 , 74022915 , 577312729 , 628338826 , 944771146 , 8788959304
n×2
123823794
n×3
185735691
n×4
247647588
n×5
309559485
n÷2
30955948.5
n÷3
20637299
n÷3
15477974.25
n÷5
12382379.4
n2
3833082990138609
n3
2.3731343927791E+23
n4
1.469252520929E+31
n5
9.0964210742746E+38
2 √n
7868.4113390188
3 √n
395.60159783608
4 √n
88.704066079401
5 √n
36.170525817669
1 , 3 , 29 , 53 , 87 , 159 , 463 , 841 , 1389 , 1537 , 2523 , 4611 , 13427 , 24539 , 40281 , 44573 , 73617 , 133719 , 389383 , 711631 , 1168149 , 2134893 , 20637299 , 61911897
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
-61911896
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 61911897 can be divided by 24 positive divisors.
The sum of these divisors (counting 61911897) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101100001011001101011001
3
Ternary
11022111110011020
4
Quaternary
3230023031121
5
Quinary
111322140042
6
Senary
10050553053
8
Octal
354131531
10
Decimal
61911897
12
Duodecimal
18898789
16
Hexadecimal
3b0b359
20
Vigesimal
j6ijeh
36
Base36
10uzix
md5
73f2d0979662f1f22114e4e4d5c6d4cd
sha1
f16345dd7818d06175f4850df2e7f82af3f8303d
sha256
654817d42e32e6e8d2265f7c71a32e22e52e3b2cbd36c9ad7b2067cd7ea1b71a
sha512
a83d0b7257d076dd3f6ca595d5d94265856c1936956ebaa4f8a0c818231eaeacd22faa22811570e951e6b3ecf2001dee2384760ede997373127a43cb540127f9
ripemd-160
6f8e064f01ad2f6f2b8585496d2601e25c7882f3
Diameter
123823794
Circumference
389003921.57002
Area
1.2041985362419E+16
Volume
9.9405620991149E+23
Surface area
4.8167941449678E+16
Circumference
389003921.57002
Perimeter
247647588
Area
3833082990138609
Diagonal
87556644.409646
Surface area
22998497940831654
Volume
2.3731343927791E+23
Space diagonal
107234551.19697
Perimeter
185735691
Area
1.659773622137E+15
Altitude
53617275.598486
Surface area
1.659773622137E+15
Volume
2.7967657030019E+22
Height
29185548.136549