20407492440

Names of 20407492440

• Cardinal: 20407492440 can be written as Twenty billion, four hundred seven million, four hundred ninety-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.040749244 × 10¹⁰

Factors of 20407492440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 25539

Divisors of 20407492440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 90 92 97 115 120 138 180 184 194 207 230 276 291 345 360 388 414 460 485 552 582 690 776 828 873 920 970 1035 1164 1380 1455 1656 1746 1940 2070 2231 2328 2760 2910 3492 3880 4140 4365 4462 5820 6693 6984 8280 8730 8924 11155 11640 13386 17460 17848 20079 22310 25409 26772 33465 34920 40158 44620 50818 53544 66930 76227 80316 89240 100395 101636 127045 133860 152454 160632 200790 203272 228681 254090 267720 304908 381135 401580 457362 508180 584407 609816 762270 803160 914724 1016360 1143405 1168814 1524540 1753221 1829448 2286810 2337628 2464673 2922035 3049080 3506442 4573620 4675256 4929346 5259663 5844070 7012884 7394019 8766105 9147240 9858692 10519326 11688140 12323365 14025768 14788038 17532210 19717384 21038652 22182057 23376280 24646730 26298315 29576076 35064420 36970095 42077304 44364114 49293460 52596630 56687479 59152152 70128840 73940190 88728228 98586920 105193260 110910285 113374958 147880380 170062437 177456456 210386520 221820570 226749916 283437395 295760760 340124874 443641140 453499832 510187311 566874790 680249748 850312185 887282280 1020374622 1133749580 1360499496 1700624370 2040749244 2267499160 2550936555 3401248740 4081498488 5101873110 6802497480 10203746220 20407492440
• Sum of all divisors σ(n): 69924254400
• Sum of proper divisors (its aliquot sum) s(n): 49516761960
• 20407492440 is an abundant number, because the sum of its proper divisors (49516761960) is greater than itself. Its abundance is 29109269520

Bases of 20407492440

• Binary: 10011000000011000011001111101011000₂
• Hexadecimal: 0x4C0619F58
• Base-36: 9DI3DY0

Squares and roots of 20407492440

• 20407492440 squared (20407492440²) is 416465747688657153600
• 20407492440 cubed (20407492440³) is 8499021597475218335843918784000
• The square root of 20407492440 is 142854.7949492771
• The cube root of 20407492440 is 2732.7288898757

Scales and comparisons

• 20,407,492,440 seconds is equal to 648 years, 46 weeks, 3 days, 19 hours, 54 minutes.
• To count from 1 to 20,407,492,440 would take you about one thousand, two hundred ninety-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20407492440 cubic inches would be around 227.7 feet tall.

Recreational maths with 20407492440

• 20407492440 backwards is 04429470402
• 20407492440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20407492440's digits is 36
• More coming soon!