20738378115

Names of 20738378115

• Cardinal: 20738378115 can be written as Twenty billion, seven hundred thirty-eight million, three hundred seventy-eight thousand, one hundred fifteen.

Scientific notation

• Scientific notation: 2.0738378115 × 10¹⁰

Factors of 20738378115

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15743

Divisors of 20738378115

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 13 15 17 19 21 35 39 45 51 57 63 65 85 91 95 105 117 119 133 153 171 195 221 247 255 273 285 315 323 357 399 455 585 595 663 665 741 765 819 855 969 1071 1105 1197 1235 1365 1547 1615 1729 1785 1989 1995 2223 2261 2907 3315 3705 4095 4199 4641 4845 5187 5355 5985 6783 7735 8645 9945 11115 11305 12597 13923 14535 15561 15679 20349 20995 23205 25935 29393 33915 37791 47037 62985 69615 77805 78395 88179 101745 109753 141111 146965 188955 203827 235185 264537 266543 297901 329259 440895 548765 611481 705555 799629 893703 987777 1019135 1322685 1332715 1426789 1489505 1646295 1834443 1865801 2085307 2398887 2681109 3057405 3465059 3872713 3998145 4280367 4468515 4938885 5064317 5597403 6255921 7133945 9172215 9329005 10395177 10426535 11618139 11994435 12841101 13405545 15192951 16792209 17325295 18767763 19363565 21401835 24255413 25321585 27108991 27987015 31185531 31279605 34854417 35450219 45578853 51975885 58090695 64205505 65836121 72766239 75964755 81326973 83961045 93838815 106350657 121277065 135544955 155927655 174272085 177251095 197508363 218298717 227894265 243980919 319051971 329180605 363831195 406634865 460852847 531753285 592525089 987541815 1091493585 1219904595 1382558541 1595259855 2304264235 2962625445 4147675623 6912792705 20738378115
• Sum of all divisors σ(n): 49312972800
• Sum of proper divisors (its aliquot sum) s(n): 28574594685
• 20738378115 is an abundant number, because the sum of its proper divisors (28574594685) is greater than itself. Its abundance is 7836216570

Bases of 20738378115

• Binary: 10011010100000110101000100110000011₂
• Hexadecimal: 0x4D41A8983
• Base-36: 9IZ3EYR

Squares and roots of 20738378115

• 20738378115 squared (20738378115²) is 430080326840710953225
• 20738378115 cubed (20738378115³) is 8919168437845447123402128670875
• The square root of 20738378115 is 144008.2571070145
• The cube root of 20738378115 is 2747.4192036575

Scales and comparisons

• 20,738,378,115 seconds is equal to 659 years, 21 weeks, 4 days, 12 hours, 35 minutes, 15 seconds.
• To count from 1 to 20,738,378,115 would take you about one thousand, three hundred eighteen 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 20738378115 cubic inches would be around 229 feet tall.

Recreational maths with 20738378115

• 20738378115 backwards is 51187383702
• 20738378115 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20738378115's digits is 45
• More coming soon!