38640885888

Names of 38640885888

• Cardinal: 38640885888 can be written as Thirty-eight billion, six hundred forty million, eight hundred eighty-five thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 3.8640885888 × 10¹⁰

Factors of 38640885888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 72174

Divisors of 38640885888

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 127 128 132 176 192 254 264 352 381 384 508 528 704 762 1016 1056 1397 1408 1524 2032 2112 2794 3048 4064 4191 4224 5588 6096 8128 8382 11176 12192 16256 16764 22352 24384 33528 44704 48768 67056 72031 89408 134112 144062 178816 216093 268224 288124 432186 536448 576248 792341 864372 1152496 1584682 1728744 2304992 2377023 3169364 3457488 4609984 4754046 6338728 6914976 9147937 9219968 9508092 12677456 13829952 18295874 19016184 25354912 27443811 27659904 36591748 38032368 50709824 54887622 73183496 76064736 100627307 101419648 109775244 146366992 152129472 201254614 219550488 292733984 301881921 304258944 402509228 439100976 585467968 603763842 805018456 878201952 1170935936 1207527684 1610036912 1756403904 2415055368 3220073824 3512807808 4830110736 6440147648 9660221472 12880295296 19320442944 38640885888
• Sum of all divisors σ(n): 112853975040
• Sum of proper divisors (its aliquot sum) s(n): 74213089152
• 38640885888 is an abundant number, because the sum of its proper divisors (74213089152) is greater than itself. Its abundance is 35572203264

Bases of 38640885888

• Binary: 100011111111001011010010000010000000₂
• Hexadecimal: 0x8FF2D2080
• Base-36: HR1SADC

Squares and roots of 38640885888

• 38640885888 squared (38640885888²) is 1493118062209437548544
• 38640885888 cubed (38640885888³) is 57695404659146561469951164547072
• The square root of 38640885888 is 196572.8513503327
• The cube root of 38640885888 is 3380.7705107069

Scales and comparisons

• 38,640,885,888 seconds is equal to 1,228 years, 34 weeks, 2 days, 11 hours, 24 minutes, 48 seconds.
• To count from 1 to 38,640,885,888 would take you about two thousand, four hundred fifty-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 38640885888 cubic inches would be around 281.7 feet tall.

Recreational maths with 38640885888

• 38640885888 backwards is 88858804683
• 38640885888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38640885888's digits is 66
• More coming soon!