21293480000

Names of 21293480000

• Cardinal: 21293480000 can be written as Twenty-one billion, two hundred ninety-three million, four hundred eighty thousand.

Scientific notation

• Scientific notation: 2.129348 × 10¹⁰

Factors of 21293480000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 40969

Divisors of 21293480000

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 130 160 200 208 250 260 320 325 400 416 500 520 625 650 800 832 1000 1040 1250 1300 1600 1625 2000 2080 2500 2600 3250 4000 4160 5000 5200 6500 8000 8125 10000 10400 13000 16250 20000 20800 26000 32500 40000 40949 52000 65000 81898 104000 130000 163796 204745 260000 327592 409490 520000 532337 655184 818980 1023725 1064674 1310368 1637960 2047450 2129348 2620736 2661685 3275920 4094900 4258696 5118625 5323370 6551840 8189800 8517392 10237250 10646740 13103680 13308425 16379600 17034784 20474500 21293480 25593125 26616850 32759200 34069568 40949000 42586960 51186250 53233700 65518400 66542125 81898000 85173920 102372500 106467400 133084250 163796000 170347840 204745000 212934800 266168500 327592000 332710625 409490000 425869600 532337000 665421250 818980000 851739200 1064674000 1330842500 1637960000 2129348000 2661685000 4258696000 5323370000 10646740000 21293480000
• Sum of all divisors σ(n): 56863907100
• Sum of proper divisors (its aliquot sum) s(n): 35570427100
• 21293480000 is an abundant number, because the sum of its proper divisors (35570427100) is greater than itself. Its abundance is 14276947100

Bases of 21293480000

• Binary: 10011110101001100001011100001000000₂
• Hexadecimal: 0x4F530B840
• Base-36: 9S5L6BK

Squares and roots of 21293480000

• 21293480000 squared (21293480000²) is 453412290510400000000
• 21293480000 cubed (21293480000³) is 9654725539737392192000000000000
• The square root of 21293480000 is 145922.8563316931
• The cube root of 21293480000 is 2771.7169734641

Scales and comparisons

• 21,293,480,000 seconds is equal to 677 years, 3 weeks, 3 days, 7 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,293,480,000 would take you about one thousand, three hundred fifty-four 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 21293480000 cubic inches would be around 231 feet tall.

Recreational maths with 21293480000

• 21293480000 backwards is 00008439212
• The number of decimal digits it has is: 11
• The sum of 21293480000's digits is 29
• More coming soon!