30472767891

Names of 30472767891

• Cardinal: 30472767891 can be written as Thirty billion, four hundred seventy-two million, seven hundred sixty-seven thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 3.0472767891 × 10¹⁰

Factors of 30472767891

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 352

Divisors of 30472767891

• Number of divisors d(n): 88
• Complete list of divisors:
  1 3 9 19 27 57 81 157 171 173 243 471 513 519 729 1413 1539 1557 2187 2983 3287 4239 4617 4671 6561 8949 9861 12717 13851 14013 19683 26847 27161 29583 38151 41553 42039 59049 80541 81483 88749 114453 124659 126117 241623 244449 266247 343359 373977 378351 516059 724869 733347 798741 1030077 1121931 1135053 1548177 2174607 2200041 2396223 3090231 3405159 4644531 6523821 6600123 7188669 9270693 10215477 13933593 19571463 19800369 21566007 41800779 58714389 59401107 64698021 125402337 176143167 178203321 194094063 376207011 534609963 1128621033 1603829889 3385863099 10157589297 30472767891
• Sum of all divisors σ(n): 48700978320
• Sum of proper divisors (its aliquot sum) s(n): 18228210429
• 30472767891 is a deficient number, because the sum of its proper divisors (18228210429) is less than itself. Its deficiency is 12244557462

Bases of 30472767891

• Binary: 11100011000010100011000100110010011₂
• Hexadecimal: 0x718518993
• Base-36: DZYP66R

Squares and roots of 30472767891

• 30472767891 squared (30472767891²) is 928589582938760587881
• 30472767891 cubed (30472767891³) is 28296694826893345061716420528971
• The square root of 30472767891 is 174564.5092537427
• The cube root of 30472767891 is 3123.4697281141

Scales and comparisons

• 30,472,767,891 seconds is equal to 968 years, 48 weeks, 6 days, 1 hour, 44 minutes, 51 seconds.
• To count from 1 to 30,472,767,891 would take you about one thousand, nine hundred thirty-seven 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 30472767891 cubic inches would be around 260.3 feet tall.

Recreational maths with 30472767891

• 30472767891 backwards is 19876727403
• The number of decimal digits it has is: 11
• The sum of 30472767891's digits is 54
• More coming soon!