30749835809

Names of 30749835809

• Cardinal: 30749835809 can be written as Thirty billion, seven hundred forty-nine million, eight hundred thirty-five thousand, eight hundred nine.

Scientific notation

• Scientific notation: 3.0749835809 × 10¹⁰

Factors of 30749835809

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 403

Divisors of 30749835809

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 19 23 61 71 77 133 161 209 211 253 427 437 497 671 781 1159 1349 1403 1463 1477 1633 1771 2321 3059 4009 4331 4697 4807 4853 5467 8113 9443 9821 11431 12749 12871 14839 14981 15433 16247 17963 26657 28063 30317 31027 33649 33971 44099 47641 53383 82289 89243 90097 92207 99613 103873 104867 108031 125741 141581 164791 186599 217189 244549 284639 293227 296033 308693 333487 341297 344563 373681 576023 645449 697291 905179 913841 991067 1014277 1095743 1153537 1711843 1892647 1992473 2052589 2072231 2389079 2411941 2690039 3131029 3256363 3790193 5624627 6336253 6396887 6546697 7099939 7670201 10052251 13248529 17362979 18830273 20819117 21018343 21917203 22794541 26531351 39372389 45826879 61870897 70365757 72013667 121540853 145733819 147128401 190992769 231201773 399348517 433096279 504095669 1336949383 1618412411 2795439619 4392833687 30749835809
• Sum of all divisors σ(n): 43608637440
• Sum of proper divisors (its aliquot sum) s(n): 12858801631
• 30749835809 is a deficient number, because the sum of its proper divisors (12858801631) is less than itself. Its deficiency is 17891034178

Bases of 30749835809

• Binary: 11100101000110101010100001000100001₂
• Hexadecimal: 0x728D54221
• Base-36: E4JNP5T

Squares and roots of 30749835809

• 30749835809 squared (30749835809²) is 945552402280458684481
• 30749835809 cubed (30749835809³) is 29075581118929621716998886380129
• The square root of 30749835809 is 175356.3110041953
• The cube root of 30749835809 is 3132.9077019089

Scales and comparisons

• 30,749,835,809 seconds is equal to 977 years, 38 weeks, 6 days, 21 hours, 3 minutes, 29 seconds.
• To count from 1 to 30,749,835,809 would take you about one thousand, nine hundred fifty-five 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 30749835809 cubic inches would be around 261.1 feet tall.

Recreational maths with 30749835809

• 30749835809 backwards is 90853894703
• The number of decimal digits it has is: 11
• The sum of 30749835809's digits is 56
• More coming soon!