30805188813

Names of 30805188813

• Cardinal: 30805188813 can be written as Thirty billion, eight hundred five million, one hundred eighty-eight thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 3.0805188813 × 10¹⁰

Factors of 30805188813

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 118

Divisors of 30805188813

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 19 21 27 57 63 81 89 133 171 189 267 361 399 513 567 623 801 1083 1197 1539 1691 1869 2403 2527 3249 3591 5073 5607 6859 7209 7581 7921 9747 10773 11837 15219 16821 20577 22743 23763 29241 32129 35511 45657 48013 50463 55447 61731 68229 71289 96387 106533 136971 144039 150499 166341 185193 204687 213867 224903 289161 319599 432117 451497 499023 555579 610451 641601 674709 867483 958797 1053493 1296351 1354491 1497069 1831353 2024127 2602449 2859481 3160479 3889053 4063473 4273157 4491207 5494059 6072381 8578443 9481437 12190419 12819471 16482177 18217143 20016367 25735329 28444311 38458413 49446531 54330139 60049101 77205987 85332933 115375239 162990417 180147303 231617961 346125717 380310973 488971251 540441909 1140932919 1466913753 1621325727 3422798757 4400741259 10268396271 30805188813
• Sum of all divisors σ(n): 56143651520
• Sum of proper divisors (its aliquot sum) s(n): 25338462707
• 30805188813 is a deficient number, because the sum of its proper divisors (25338462707) is less than itself. Its deficiency is 5466726106

Bases of 30805188813

• Binary: 11100101100001000011110000011001101₂
• Hexadecimal: 0x72C21E0CD
• Base-36: E5GM3T9

Squares and roots of 30805188813

• 30805188813 squared (30805188813²) is 948959657804580348969
• 30805188813 cubed (30805188813³) is 29232881434589966706219474883797
• The square root of 30805188813 is 175514.0701282949
• The cube root of 30805188813 is 3134.7864317323

Scales and comparisons

• 30,805,188,813 seconds is equal to 979 years, 26 weeks, 3 days, 12 hours, 53 minutes, 33 seconds.
• To count from 1 to 30,805,188,813 would take you about one thousand, nine hundred fifty-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 30805188813 cubic inches would be around 261.2 feet tall.

Recreational maths with 30805188813

• 30805188813 backwards is 31888150803
• The number of decimal digits it has is: 11
• The sum of 30805188813's digits is 45
• More coming soon!