21387449482434

Names of 21387449482434

• Cardinal: 21387449482434 can be written as Twenty-one trillion, three hundred eighty-seven billion, four hundred forty-nine million, four hundred eighty-two thousand, four hundred thirty-four.

Scientific notation

• Scientific notation: 2.1387449482434 × 10¹³

Factors of 21387449482434

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 272

Divisors of 21387449482434

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 97 98 126 147 163 194 291 294 326 441 489 582 679 873 882 978 1141 1358 1467 1746 2037 2282 2934 3423 4074 4753 6111 6846 7987 9409 9506 10269 12222 14259 15811 15974 18818 20538 23961 26569 28227 28518 31622 42777 47433 47922 53138 56454 65863 71883 79707 84681 85554 94866 110677 131726 142299 143766 159414 169362 185983 197589 221354 239121 284598 332031 371966 395178 461041 478242 557949 592767 664062 774739 912673 922082 996093 1115898 1185534 1301881 1383123 1533667 1549478 1673847 1825346 1992186 2324217 2577193 2603762 2738019 2766246 3067334 3347694 3905643 4149369 4601001 4648434 5154386 5476038 6388711 6972651 7731579 7811286 8214057 8298738 9202002 10735669 11716929 12777422 13803003 13945302 15463158 16428114 18040351 19166133 21471338 23194737 23433858 27606006 32207007 36080702 38332266 44720977 46389474 54121053 57498399 64414014 75149683 89441954 96621021 108242106 114996798 126282457 134162931 148765699 150299366 162363159 193242042 225449049 249987721 252564914 268325862 297531398 324726318 378847371 402488793 446297097 450898098 499975442 676347147 749963163 757694742 804977586 892594194 1041359893 1136542113 1338891291 1352694294 1499926326 1749914047 2082719786 2249889489 2273084226 2677782582 3124079679 3499828094 4499778978 5249742141 6248159358 7289519251 9372239037 10499484282 12249398329 14579038502 15749226423 18744478074 21868557753 24248808937 24498796658 31498452846 36748194987 43737115506 48497617874 65605673259 72746426811 73496389974 110244584961 131211346518 145492853622 169741662559 218239280433 220489169922 339483325118 436478560866 509224987677 1018449975354 1188191637913 1527674963031 2376383275826 3055349926062 3564574913739 7129149827478 10693724741217 21387449482434
• Sum of all divisors σ(n): 54802814140620
• Sum of proper divisors (its aliquot sum) s(n): 33415364658186
• 21387449482434 is an abundant number, because the sum of its proper divisors (33415364658186) is greater than itself. Its abundance is 12027915175752

Bases of 21387449482434

• Binary: 100110111001110100111010101000011110011000010₂
• Hexadecimal: 0x1373A7543CC2
• Base-36: 7KX9B7POI

Squares and roots of 21387449482434

• 21387449482434 squared (21387449482434²) is 457422995363666374474564356
• 21387449482434 cubed (21387449482434³) is 9783111205444056382364670664429824522504
• The square root of 21387449482434 is 4624656.6880617203
• The cube root of 21387449482434 is 27757.8824486637

Scales and comparisons

• 21,387,449,482,434 seconds is equal to 680,054 years, 38 weeks, 2 days, 13 hours, 33 minutes, 54 seconds.
• To count from 1 to 21,387,449,482,434 would take you about one million, seven hundred thousand, one hundred thirty-six 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 21387449482434 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21387449482434

• 21387449482434 backwards is 43428494478312
• 21387449482434 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21387449482434's digits is 63
• More coming soon!