21214233720

Names of 21214233720

• Cardinal: 21214233720 can be written as Twenty-one billion, two hundred fourteen million, two hundred thirty-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.121423372 × 10¹⁰

Factors of 21214233720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 211254

Divisors of 21214233720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 81 90 93 108 120 124 135 155 162 180 186 216 248 270 279 310 324 360 372 405 465 540 558 620 648 744 810 837 930 1080 1116 1240 1395 1620 1674 1860 2232 2511 2790 3240 3348 3720 4185 5022 5580 6696 8370 10044 11160 12555 16740 20088 25110 33480 50220 100440 211213 422426 633639 844852 1056065 1267278 1689704 1900917 2112130 2534556 3168195 3801834 4224260 5069112 5702751 6336390 6547603 7603668 8448520 9504585 11405502 12672780 13095206 15207336 17108253 19009170 19642809 22811004 25345560 26190412 28513755 32738015 34216506 38018340 39285618 45622008 52380824 57027510 58928427 65476030 68433012 76036680 78571236 85541265 98214045 114055020 117856854 130952060 136866024 157142472 171082530 176785281 196428090 228110040 235713708 261904120 294642135 342165060 353570562 392856180 471427416 530355843 589284270 684330120 707141124 785712360 883926405 1060711686 1178568540 1414282248 1767852810 2121423372 2357137080 2651779215 3535705620 4242846744 5303558430 7071411240 10607116860 21214233720
• Sum of all divisors σ(n): 73603854720
• Sum of proper divisors (its aliquot sum) s(n): 52389621000
• 21214233720 is an abundant number, because the sum of its proper divisors (52389621000) is greater than itself. Its abundance is 31175387280

Bases of 21214233720

• Binary: 10011110000011101111000010001111000₂
• Hexadecimal: 0x4F0778478
• Base-36: 9QUENI0

Squares and roots of 21214233720

• 21214233720 squared (21214233720²) is 450043712326785038400
• 21214233720 cubed (21214233720³) is 9547332497516862820816774848000
• The square root of 21214233720 is 145651.0683791917
• The cube root of 21214233720 is 2768.2742716491

Scales and comparisons

• 21,214,233,720 seconds is equal to 674 years, 28 weeks, 3 days, 2 hours, 42 minutes.
• To count from 1 to 21,214,233,720 would take you about one thousand, three hundred forty-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 21214233720 cubic inches would be around 230.7 feet tall.

Recreational maths with 21214233720

• 21214233720 backwards is 02733241212
• 21214233720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21214233720's digits is 27
• More coming soon!