10521420

Names of 10521420

• Cardinal: 10521420 can be written as Ten million, five hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.052142 × 10⁷

Factors of 10521420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 118

Divisors of 10521420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 41 42 47 52 60 65 70 78 82 84 91 94 105 123 130 140 141 156 164 182 188 195 205 210 235 246 260 273 282 287 329 364 390 410 420 455 470 492 533 546 564 574 611 615 658 705 780 820 861 910 940 987 1066 1092 1148 1222 1230 1316 1365 1410 1435 1599 1645 1722 1820 1833 1927 1974 2132 2444 2460 2665 2730 2820 2870 3055 3198 3290 3444 3666 3731 3854 3948 4277 4305 4935 5330 5460 5740 5781 6110 6396 6580 7332 7462 7708 7995 8554 8610 9165 9635 9870 10660 11193 11562 12220 12831 13489 14924 15990 17108 17220 18330 18655 19270 19740 21385 22386 23124 25051 25662 26978 28905 31980 36660 37310 38540 40467 42770 44772 50102 51324 53956 55965 57810 64155 67445 74620 75153 80934 85540 100204 111930 115620 125255 128310 134890 150306 161868 175357 202335 223860 250510 256620 269780 300612 350714 375765 404670 501020 526071 701428 751530 809340 876785 1052142 1503060 1753570 2104284 2630355 3507140 5260710 10521420
• Sum of all divisors σ(n): 37933056
• Sum of proper divisors (its aliquot sum) s(n): 27411636
• 10521420 is an abundant number, because the sum of its proper divisors (27411636) is greater than itself. Its abundance is 16890216

Bases of 10521420

• Binary: 101000001000101101001100₂
• Hexadecimal: 0xA08B4C
• Base-36: 69IDO

Squares and roots of 10521420

• 10521420 squared (10521420²) is 110700278816400
• 10521420 cubed (10521420³) is 1164724127544447288000
• The square root of 10521420 is 3243.6738430367
• The cube root of 10521420 is 219.1247595053

Scales and comparisons

• 10,521,420 seconds is equal to 17 weeks, 2 days, 18 hours, 37 minutes.
• To count from 1 to 10,521,420 would take you about twenty-six 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 10521420 cubic inches would be around 18.3 feet tall.

Recreational maths with 10521420

• 10521420 backwards is 02412501
• 10521420 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 10521420's digits is 15
• More coming soon!