16406426421

Names of 16406426421

• Cardinal: 16406426421 can be written as Sixteen billion, four hundred six million, four hundred twenty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.6406426421 × 10¹⁰

Factors of 16406426421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21

Divisors of 16406426421

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 7 9 11 21 27 33 49 63 77 99 121 147 189 231 297 343 363 441 539 693 847 1029 1089 1323 1331 1617 2079 2541 3087 3267 3773 3993 4851 5929 7623 9261 9317 11319 11979 14553 14641 17787 22869 27951 33957 35937 41503 43923 53361 65219 83853 101871 102487 124509 131769 160083 161051 195657 251559 307461 373527 395307 456533 483153 586971 717409 922383 1120581 1127357 1369599 1449459 1760913 1771561 2152227 2767149 3382071 4108797 4348377 5021863 5314683 6456681 7891499 10146213 12326391 12400927 15065589 15944049 19370043 23674497 30438639 37202781 45196767 47832147 55240493 71023491 86806489 111608343 135590301 165721479 213070473 260419467 334825029 497164437 607645423 781258401 1491493311 1822936269 2343775203 5468808807 16406426421
• Sum of all divisors σ(n): 31179472000
• Sum of proper divisors (its aliquot sum) s(n): 14773045579
• 16406426421 is a deficient number, because the sum of its proper divisors (14773045579) is less than itself. Its deficiency is 1633380842

Bases of 16406426421

• Binary: 1111010001111001100011001100110101₂
• Hexadecimal: 0x3D1E63335
• Base-36: 7JBYNN9

Squares and roots of 16406426421

• 16406426421 squared (16406426421²) is 269170827907686869241
• 16406426421 cubed (16406426421³) is 4416131382747118000510314616461
• The square root of 16406426421 is 128087.5732497107
• 16406426421 is a perfect cube number. Its cube root is 2541
• Being both a perfect square and a perfect cube, 16406426421 is also a perfect sixth number.

Scales and comparisons

• 16,406,426,421 seconds is equal to 521 years, 35 weeks, 4 hours, 40 minutes, 21 seconds.
• To count from 1 to 16,406,426,421 would take you about one thousand and forty-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 16406426421 cubic inches would be around 211.8 feet tall.

Recreational maths with 16406426421

• 16406426421 backwards is 12462460461
• The number of decimal digits it has is: 11
• The sum of 16406426421's digits is 36
• More coming soon!