21398727207429

Names of 21398727207429

• Cardinal: 21398727207429 can be written as Twenty-one trillion, three hundred ninety-eight billion, seven hundred twenty-seven million, two hundred seven thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1398727207429 × 10¹³

Factors of 21398727207429

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3991

Divisors of 21398727207429

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 9 11 13 19 27 33 39 57 79 99 117 143 171 209 237 247 297 351 429 513 627 711 741 869 1027 1287 1501 1723 1881 2133 2143 2223 2607 2717 3081 3861 4503 5169 5643 6429 6669 7821 8151 9243 11297 13509 15507 16511 18953 19287 19513 22399 23463 23573 24453 27729 27859 32737 33891 40527 40717 46521 49533 56859 57861 58539 67197 70719 73359 83577 98211 101673 122151 136117 148599 169297 170577 175617 201591 212157 214643 246389 250731 294633 305019 306449 360107 366453 408351 425581 445797 447887 507891 511731 526851 529321 604773 636471 643929 739167 752193 883899 919347 1080321 1099359 1225053 1276743 1343661 1497287 1523673 1587963 1769521 1862267 1931787 2200861 2217501 2586223 2758041 3216643 3240963 3675159 3692389 3830229 4030983 4491861 4571019 4681391 4763889 5308563 5586801 5795361 5822531 6602583 6652503 7758669 8274123 9649929 9722889 11077167 11490687 12092949 13475583 14044173 14291667 15925689 16760403 17467593 19464731 19807749 23276007 24209471 28448453 28949787 33231501 33620899 35383073 40426749 40616279 41816359 42132519 47777067 48001057 50281209 52402779 58394193 59423247 69828021 70155391 72628413 85345359 86849361 99694503 100862697 106149219 121848837 125449077 126397557 144003171 157208337 175182579 210466173 217885239 256036077 291698731 302588091 318447657 365546511 369829889 376347231 432009513 459979949 525547737 528011627 631398519 653655717 768108231 771709301 875096193 907764273 912020083 955342971 1096639533 1109489667 1129041693 1296028539 1379939847 1584034881 1894195557 2315127903 2625288579 2736060249 3208686041 3328469001 3792083503 4139819541 4752104643 5542275889 6945383709 7875865737 8208180747 9626058123 9985407003 10032220913 11376250509 12419458623 14256313929 16626827667 20836151127 24624542241 28878174369 30096662739 34128751527 41712918533 49880483001 60965034779 72049586557 86634523107 90289988217 102386254581 125138755599 149641449003 182895104337 216148759671 270869964651 375416266797 548685313011 648446279013 792545452127 1126248800391 1646055939033 1945338837039 2377636356381 7132909069143 21398727207429
• Sum of all divisors σ(n): 39742144512000
• Sum of proper divisors (its aliquot sum) s(n): 18343417304571
• 21398727207429 is a deficient number, because the sum of its proper divisors (18343417304571) is less than itself. Its deficiency is 3055309902858

Bases of 21398727207429

• Binary: 100110111011001000111100010001010101000000101₂
• Hexadecimal: 0x13764788AA05
• Base-36: 7L2FTOHZ9

Squares and roots of 21398727207429

• 21398727207429 squared (21398727207429²) is 457905526097962128792790041
• 21398727207429 cubed (21398727207429³) is 9798595439744552223349940069037452414589
• The square root of 21398727207429 is 4625875.8313890139
• The cube root of 21398727207429 is 27762.7605549795

Scales and comparisons

• 21,398,727,207,429 seconds is equal to 680,413 years, 17 weeks, 2 days, 18 hours, 57 minutes, 9 seconds.
• To count from 1 to 21,398,727,207,429 would take you about one million, seven hundred one thousand and thirty-three 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 21398727207429 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21398727207429

• 21398727207429 backwards is 92470272789312
• The number of decimal digits it has is: 14
• The sum of 21398727207429's digits is 63
• More coming soon!