1401723638

Names of 1401723638

• Cardinal: 1401723638 can be written as One billion, four hundred one million, seven hundred twenty-three thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.401723638 × 10⁹

Factors of 1401723638

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 537

Divisors of 1401723638

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 23 46 127 151 161 227 254 302 322 454 889 1057 1589 1778 2114 2921 3178 3473 5221 5842 6946 10442 19177 20447 24311 28829 34277 36547 38354 40894 48622 57658 68554 73094 134239 201803 239939 268478 403606 441071 479878 663067 788371 882142 1326134 1576742 3087497 4353179 4641469 5518597 6174994 8706358 9282938 11037194 30472253 60944506 100123117 200246234 700861819 1401723638
• Sum of all divisors σ(n): 2555117568
• Sum of proper divisors (its aliquot sum) s(n): 1153393930
• 1401723638 is a deficient number, because the sum of its proper divisors (1153393930) is less than itself. Its deficiency is 248329708

Bases of 1401723638

• Binary: 1010011100011001001101011110110₂
• Hexadecimal: 0x538C9AF6
• Base-36: N6JSVQ

Squares and roots of 1401723638

• 1401723638 squared (1401723638²) is 1964829157327955044
• 1401723638 cubed (1401723638³) is 2754147474458215503376130072
• The square root of 1401723638 is 37439.5998643147
• The cube root of 1401723638 is 1119.1478525555

Scales and comparisons

• 1,401,723,638 seconds is equal to 44 years, 29 weeks, 4 days, 15 hours, 40 minutes, 38 seconds.
• To count from 1 to 1,401,723,638 would take you about eighty-nine 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 1401723638 cubic inches would be around 93.3 feet tall.

Recreational maths with 1401723638

• 1401723638 backwards is 8363271041
• The number of decimal digits it has is: 10
• The sum of 1401723638's digits is 35
• More coming soon!