2838948021

Names of 2838948021

• Cardinal: 2838948021 can be written as Two billion, eight hundred thirty-eight million, nine hundred forty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 2.838948021 × 10⁹

Factors of 2838948021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 119

Divisors of 2838948021

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 21 27 39 43 53 63 81 91 117 129 159 169 189 273 301 351 371 387 477 507 559 567 689 819 903 1053 1113 1161 1183 1431 1521 1677 2067 2197 2279 2457 2709 3339 3483 3549 3913 4293 4563 4823 5031 6201 6591 6837 7267 7371 8127 8957 10017 10647 11739 13689 14469 15093 15379 15953 18603 19773 20511 21801 24381 26871 29627 30051 31941 35217 43407 45279 46137 47859 50869 55809 59319 61533 62699 65403 80613 88881 94471 95823 105651 116441 130221 138411 143577 152607 177957 184599 188097 196209 207389 241839 266643 283413 316953 349323 385151 390663 415233 430731 457821 564291 588627 622167 661297 725517 799929 815087 850239 1047969 1155453 1245699 1292193 1373463 1692873 1866501 1983891 2399787 2445261 2550717 2696057 3143907 3466359 4120389 5006963 5078619 5599503 5951673 7335783 7652151 8088171 9431721 10399077 15020889 16798509 17855019 22007349 24264513 31197231 35048741 45062667 53565057 66022047 72793539 105146223 135188001 218380617 315438669 405564003 946316007 2838948021
• Sum of all divisors σ(n): 5473923840
• Sum of proper divisors (its aliquot sum) s(n): 2634975819
• 2838948021 is a deficient number, because the sum of its proper divisors (2634975819) is less than itself. Its deficiency is 203972202

Bases of 2838948021

• Binary: 10101001001101101110100010110101₂
• Hexadecimal: 0xA936E8B5
• Base-36: 1AY8IB9

Squares and roots of 2838948021

• 2838948021 squared (2838948021²) is 8059625865939816441
• 2838948021 cubed (2838948021³) is 22880858902110253190280213261
• The square root of 2838948021 is 53281.7794466363
• The cube root of 2838948021 is 1415.9648754215

Scales and comparisons

• 2,838,948,021 seconds is equal to 90 years, 14 weeks, 4 hours, 40 minutes, 21 seconds.
• To count from 1 to 2,838,948,021 would take you about one hundred eighty 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 2838948021 cubic inches would be around 118 feet tall.

Recreational maths with 2838948021

• 2838948021 backwards is 1208498382
• The number of decimal digits it has is: 10
• The sum of 2838948021's digits is 45
• More coming soon!