421920291081916

Names of 421920291081916

• Cardinal: 421920291081916 can be written as Four hundred twenty-one trillion, nine hundred twenty billion, two hundred ninety-one million, eighty-one thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 4.21920291081916 × 10¹⁴

Factors of 421920291081916

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11033758

Divisors of 421920291081916

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 11 22 41 44 47 82 94 121 164 188 242 451 484 517 902 1034 1681 1804 1927 2068 3362 3854 4961 5687 6724 7708 9922 11374 18491 19844 21197 22748 36982 42394 73964 79007 84788 158014 203401 233167 316028 406802 466334 813604 869077 932668 1738154 3476308 9559847 11033657 19119694 22067314 38239388 44134628 121370227 242740454 452379937 485480908 518581879 904759874 1037163758 1335072497 1809519748 2074327516 2670144994 4976179307 5340289988 5704400669 9952358614 11408801338 18547577417 19904717228 21261857039 22817602676 37095154834 42523714078 54737972377 62748407359 74190309668 85047428156 109475944754 125496814718 204023351587 218951889508 233880427429 250993629436 408046703174 467760854858 816093406348 871736138599 935521709716 1743472277198 2244256867457 2572684701719 3486944554396 4488513734914 5145369403438 8977027469828 9589097524589 10290738806876 19178195049178 38356390098356 105480072770479 210960145540958 421920291081916
• Sum of all divisors σ(n): 849563243296992
• Sum of proper divisors (its aliquot sum) s(n): 427642952215076
• 421920291081916 is an abundant number, because the sum of its proper divisors (427642952215076) is greater than itself. Its abundance is 5722661133160

Bases of 421920291081916

• Binary: 1011111111011101111111001000100101100111010111100₂
• Hexadecimal: 0x17FBBF912CEBC
• Base-36: 45K3I7NFSS

Squares and roots of 421920291081916

• 421920291081916 squared (421920291081916²) is 178016732026648726121822231056
• 421920291081916 cubed (421920291081916³) is 75108871394135068900793494226411947175183296
• The square root of 421920291081916 is 20540698.4078418327
• The cube root of 421920291081916 is 75002.6838199257

Scales and comparisons

• 421,920,291,081,916 seconds is equal to 13,415,760 years, 8 weeks, 6 days, 8 hours, 5 minutes, 16 seconds.
• To count from 1 to 421,920,291,081,916 would take you about thirty-three million, five hundred thirty-nine thousand, four hundred 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 421920291081916 cubic inches would be around 6250.2 feet tall.

Recreational maths with 421920291081916

• 421920291081916 backwards is 619180192029124
• The number of decimal digits it has is: 15
• The sum of 421920291081916's digits is 55
• More coming soon!