77981907 (number)

77981907 is an odd 8-digits composite number following 77981906 and preceding 77981908. In scientific notation, it is written as 7.7981907 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 48568320 positive integers (up to 77981907) that are relatively prime to 77981907.

Interesting facts

Basic properties

Name

Name seventy-seven million nine hundred eighty-one thousand nine hundred seven

Notation

Scientific notation 7.7981907 × 10^7
Engineering notation 7.7981907 × 10^6

Prime Factorization of 77981907

Prime Factorization 3 × 17 × 137 × 11161

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 77981907
Product of the distinct prime numbers

The prime factorization of 77981907 is 3 × 17 × 137 × 11161. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 71, 60, 118, 530, 8945, 5660, 1302, 67847, 314747, 297203, 4840006, 6803511, 91189137, 710117, 882164417, 651087691, 5556293075, 4706739629

Basic calculations (n = 77981907)

Multiplication

n×y
n×2 155963814
n×3 233945721
n×4 311927628
n×5 389909535

Division

n÷y
n÷2 38990953.5
n÷3 25993969
n÷3 19495476.75
n÷5 15596381.4

Exponentiation

ny
n2 6081177819356649
n3 4.7422184315953E+23
n4 3.6980723670635E+31
n5 2.8838273540762E+39

Nth Root

y√n
2√n 8830.7364925016
3√n 427.23282919903
4√n 93.971998449015
5√n 37.879023122388

Divisors of 77981907

1, 3, 17, 51, 137, 411, 2329, 6987, 11161, 33483, 189737, 569211, 1529057, 4587171, 25993969, 77981907

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -77981906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 77981907 can be divided by 16 positive divisors. The sum of these divisors (counting 77981907) is 1, the average is 0.0625.

Base conversion 77981907

Base System Value
2 Binary 100101001011110100011010011
3 Ternary 12102201220001210
4 Quaternary 10221132203103
5 Quinary 124430410112
6 Senary 11423231203
8 Octal 451364323
10 Decimal 77981907
12 Duodecimal 22148503
16 Hexadecimal 4a5e8d3
20 Vigesimal 1477ef7
36 Base36 1aff83

Cryptographic Hash Functions

md5 3fea96aeef3f1b1c9e2518bb103edaa2
sha1 5d449e70d845d094f18a6c2fb0c6fb539289554a
sha256 a0703edf91af081ef9b4d12fa42d38e702ed6d9e274810d059010ba16ae91abf
sha512 a37ce32d06c89d315c5e377a69b2167e6c15938d3c319f30315a9dc9c744cd4ea3364cb0f0cb43eadf43b514bf97007b65b9a7dce510cdcd4976dc27408404c7
ripemd-160 6ef44d49c60d7f437a74275dccc338f1f06c811d

77981907 as geometric shapes

Circle

Radius = n
Diameter 155963814
Circumference 489974772.28824
Area 1.9104583562464E+16

Sphere

Radius = n
Volume 1.9864158115224E+24
Surface area 7.6418334249856E+16
Circumference 489974772.28824

Square

Length = n
Perimeter 311927628
Area 6081177819356649
Diagonal 110283070.49912

Cube

Length = n
Surface area 36487066916139894
Volume 4.7422184315953E+23
Space diagonal 135068624.99511

Equilateral Triangle

Length = n
Perimeter 233945721
Area 2.6332272382467E+15
Altitude 67534312.497556

Triangular Pyramid

Length = n
Surface area 2.6332272382467E+15
Volume 5.5887580180815E+22
Height 36761023.499706