20129200

Names of 20129200

• Cardinal: 20129200 can be written as Twenty million, one hundred twenty-nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.01292 × 10⁷

Factors of 20129200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 106

Divisors of 20129200

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 35 40 49 50 52 56 65 70 79 80 91 98 100 104 112 130 140 158 175 182 196 200 208 245 260 280 316 325 350 364 392 395 400 455 490 520 553 560 632 637 650 700 728 784 790 910 980 1027 1040 1106 1225 1264 1274 1300 1400 1456 1580 1820 1960 1975 2054 2212 2275 2450 2548 2600 2765 2800 3160 3185 3640 3871 3920 3950 4108 4424 4550 4900 5096 5135 5200 5530 6320 6370 7189 7280 7742 7900 8216 8848 9100 9800 10192 10270 11060 12740 13825 14378 15484 15800 15925 16432 18200 19355 19600 20540 22120 25480 25675 27650 28756 30968 31600 31850 35945 36400 38710 41080 44240 50323 50960 51350 55300 57512 61936 63700 71890 77420 82160 96775 100646 102700 110600 115024 127400 143780 154840 179725 193550 201292 205400 221200 251615 254800 287560 309680 359450 387100 402584 410800 503230 575120 718900 774200 805168 1006460 1258075 1437800 1548400 2012920 2516150 2875600 4025840 5032300 10064600 20129200
• Sum of all divisors σ(n): 61350240
• Sum of proper divisors (its aliquot sum) s(n): 41221040
• 20129200 is an abundant number, because the sum of its proper divisors (41221040) is greater than itself. Its abundance is 21091840

Bases of 20129200

• Binary: 1001100110010010110110000₂
• Hexadecimal: 0x13325B0
• Base-36: BZFSG

Squares and roots of 20129200

• 20129200 squared (20129200²) is 405184692640000
• 20129200 cubed (20129200³) is 8156043715089088000000
• The square root of 20129200 is 4486.5577005093
• The cube root of 20129200 is 272.0250121175

Scales and comparisons

• 20,129,200 seconds is equal to 33 weeks, 1 day, 23 hours, 26 minutes, 40 seconds.
• To count from 1 to 20,129,200 would take you about forty-nine weeks!

  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 20129200 cubic inches would be around 22.7 feet tall.

Recreational maths with 20129200

• 20129200 backwards is 00292102
• 20129200 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20129200's digits is 16
• More coming soon!