129621907 is an odd 9-digits composite number following 129621906
and preceding 129621908 . In scientific notation, it is written as 1.29621907 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 129596760 positive integers (up to 129621907) that are relatively prime to 129621907.
129621907 has 4 divisors, whose sum is 129647056
The reverse of 129621907 is 709126921
Previous prime number is 17911
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million six hundred twenty-one thousand nine hundred seven
Scientific notation
1.29621907 × 10^8
Engineering notation
1.29621907 × 10^6
Prime Factorization
17911 × 7237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129621907
Product of the distinct prime numbers
The prime factorization of 129621907 is 17911 × 7237.
Since it has a total of 2 prime factors.
2 , 2 , 54 , 53 , 510 , 544 , 9565 , 5196 , 20006 , 33668 , 270384 , 540539 , 7912237 , 817837 , 91235026 , 73284037 , 731190651 , 55291654 , 602671033 , 2702788063
n×2
259243814
n×3
388865721
n×4
518487628
n×5
648109535
n÷2
64810953.5
n÷3
43207302.333333
n÷3
32405476.75
n÷5
25924381.4
n2
16801838774316649
n3
2.1778863830335E+24
n4
2.8230178619813E+32
n5
3.6592495876508E+40
2 √n
11385.161702848
3 √n
506.08811158599
4 √n
106.70127320163
5 √n
41.931044549506
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
-129621906
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 129621907 can be divided by 4 positive divisors.
The sum of these divisors (counting 129621907) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110011101111110010011
3
Ternary
100000220110211101
4
Quaternary
13232131332103
5
Quinary
231140400112
6
Senary
20510125231
8
Octal
756357623
10
Decimal
129621907
12
Duodecimal
374b0817
16
Hexadecimal
7b9df93
20
Vigesimal
20a2ef7
36
Base36
2568wj
md5
eceaf56b09fc846b04e7f5992a2cd03b
sha1
39c6cc2bf51cdb3307ffa60f0f63211c86d19c56
sha256
dfd54499a646bd4de8b0cb9ed34f736f9335f22e15545ee31a35616eba953842
sha512
f64dbaeab3344b0cdde0b75745540aa57578e7861d8410c663a6fde71632d357525898fd7b1d793829742f88a052ceff5c4a2c9867525bb1fa2356290251eb39
ripemd-160
e0436d9a78c61675f1ca129b4a5d016efb477bf6
Diameter
259243814
Circumference
814438461.551
Area
5.2784533260193E+16
Volume
9.1227091483882E+24
Surface area
2.1113813304077E+17
Circumference
814438461.551
Perimeter
518487628
Area
16801838774316649
Diagonal
183313058.86006
Surface area
100811032645899894
Volume
2.1778863830335E+24
Space diagonal
224511728.69797
Perimeter
388865721
Area
7.2754096044243E+15
Altitude
112255864.34898
Surface area
7.2754096044243E+15
Volume
2.566663716828E+23
Height
61104352.953355