30700788642

Names of 30700788642

• Cardinal: 30700788642 can be written as Thirty billion, seven hundred million, seven hundred eighty-eight thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 3.0700788642 × 10¹⁰

Factors of 30700788642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1043

Divisors of 30700788642

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 27 54 67 81 134 162 201 243 402 486 603 971 1206 1809 1942 2913 3618 5427 5826 8739 10854 16281 17478 26217 32562 52434 65057 78651 130114 157302 195171 235953 390342 471906 585513 942841 1171026 1756539 1885682 2828523 3513078 5269617 5657046 8485569 10539234 15808851 16971138 25456707 31617702 50913414 63170347 76370121 126340694 152740242 189511041 229110363 379022082 458220726 568533123 1137066246 1705599369 3411198738 5116798107 10233596214 15350394321 30700788642
• Sum of all divisors σ(n): 70083778128
• Sum of proper divisors (its aliquot sum) s(n): 39382989486
• 30700788642 is an abundant number, because the sum of its proper divisors (39382989486) is greater than itself. Its abundance is 8682200844

Bases of 30700788642

• Binary: 11100100101111010001101101110100010₂
• Hexadecimal: 0x725E8DBA2
• Base-36: E3QGG4I

Squares and roots of 30700788642

• 30700788642 squared (30700788642²) is 942538423240756204164
• 30700788642 cubed (30700788642³) is 28936672918878396904289164305288
• The square root of 30700788642 is 175216.4051737165
• The cube root of 30700788642 is 3131.2411128723

Scales and comparisons

• 30,700,788,642 seconds is equal to 976 years, 9 weeks, 6 days, 4 hours, 50 minutes, 42 seconds.
• To count from 1 to 30,700,788,642 would take you about one thousand, nine hundred fifty-two 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 30700788642 cubic inches would be around 260.9 feet tall.

Recreational maths with 30700788642

• 30700788642 backwards is 24688700703
• The number of decimal digits it has is: 11
• The sum of 30700788642's digits is 45
• More coming soon!