1220249940

Names of 1220249940

• Cardinal: 1220249940 can be written as One billion, two hundred twenty million, two hundred forty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.22024994 × 10⁹

Factors of 1220249940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4591

Divisors of 1220249940

• 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 42 49 52 60 65 70 78 84 91 98 105 130 140 147 156 182 195 196 210 245 260 273 294 343 364 390 420 455 490 546 588 637 686 735 780 910 980 1029 1092 1274 1365 1372 1470 1715 1820 1911 2058 2548 2730 2940 3185 3430 3822 4116 4459 4561 5145 5460 6370 6860 7644 8918 9122 9555 10290 12740 13377 13683 17836 18244 19110 20580 22295 22805 26754 27366 31927 38220 44590 45610 53508 54732 59293 63854 66885 68415 89180 91220 95781 118586 127708 133770 136830 159635 177879 191562 223489 237172 267540 273660 296465 319270 355758 383124 415051 446978 478905 592930 638540 670467 711516 830102 889395 893956 957810 1117445 1185860 1245153 1340934 1564423 1660204 1778790 1915620 2075255 2234890 2490306 2681868 2905357 3128846 3352335 3557580 4150510 4469780 4693269 4980612 5810714 6225765 6257692 6704670 7822115 8301020 8716071 9386538 11621428 12451530 13409340 14526785 15644230 17432142 18773076 20337499 23466345 24903060 29053570 31288460 34864284 40674998 43580355 46932690 58107140 61012497 81349996 87160710 93865380 101687495 122024994 174321420 203374990 244049988 305062485 406749980 610124970 1220249940
• Sum of all divisors σ(n): 4291929600
• Sum of proper divisors (its aliquot sum) s(n): 3071679660
• 1220249940 is an abundant number, because the sum of its proper divisors (3071679660) is greater than itself. Its abundance is 1851429720

Bases of 1220249940

• Binary: 1001000101110111000100101010100₂
• Hexadecimal: 0x48BB8954
• Base-36: K6I6VO

Squares and roots of 1220249940

• 1220249940 squared (1220249940²) is 1489009916070003600
• 1220249940 cubed (1220249940³) is 1816964260743826928699784000
• The square root of 1220249940 is 34932.0760906075
• The cube root of 1220249940 is 1068.6026946527

Scales and comparisons

• 1,220,249,940 seconds is equal to 38 years, 41 weeks, 4 days, 6 hours, 19 minutes.
• To count from 1 to 1,220,249,940 would take you about seventy-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 1220249940 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220249940

• 1220249940 backwards is 0499420221
• The number of decimal digits it has is: 10
• The sum of 1220249940's digits is 33
• More coming soon!