144217920

Names of 144217920

• Cardinal: 144217920 can be written as One hundred forty-four million, two hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4421792 × 10⁸

Factors of 144217920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1979

Divisors of 144217920

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 55 56 60 64 66 70 77 80 84 88 96 105 110 112 120 132 140 154 160 165 168 176 192 210 220 224 231 240 264 280 308 320 330 336 352 385 420 440 448 462 480 528 560 616 660 672 704 770 840 880 924 960 1056 1120 1155 1232 1320 1344 1540 1680 1760 1848 1951 2112 2240 2310 2464 2640 3080 3360 3520 3696 3902 4620 4928 5280 5853 6160 6720 7392 7804 9240 9755 10560 11706 12320 13657 14784 15608 18480 19510 21461 23412 24640 27314 29265 31216 36960 39020 40971 42922 46824 54628 58530 62432 64383 68285 73920 78040 81942 85844 93648 107305 109256 117060 124864 128766 136570 150227 156080 163884 171688 187296 204855 214610 218512 234120 257532 273140 300454 312160 321915 327768 343376 374592 409710 429220 437024 450681 468240 515064 546280 600908 624320 643830 655536 686752 751135 819420 858440 874048 901362 936480 1030128 1092560 1201816 1287660 1311072 1373504 1502270 1638840 1716880 1802724 1872960 2060256 2185120 2253405 2403632 2575320 2622144 3004540 3277680 3433760 3605448 4120512 4370240 4506810 4807264 5150640 6009080 6555360 6867520 7210896 9013620 9614528 10301280 12018160 13110720 14421792 18027240 20602560 24036320 28843584 36054480 48072640 72108960 144217920
• Sum of all divisors σ(n): 571170816
• Sum of proper divisors (its aliquot sum) s(n): 426952896
• 144217920 is an abundant number, because the sum of its proper divisors (426952896) is greater than itself. Its abundance is 282734976

Bases of 144217920

• Binary: 1000100110001001011101000000₂
• Hexadecimal: 0x8989740
• Base-36: 2DV39C

Squares and roots of 144217920

• 144217920 squared (144217920²) is 20798808449126400
• 144217920 cubed (144217920³) is 2999560893011435225088000
• The square root of 144217920 is 12009.0765673303
• The cube root of 144217920 is 524.4125492641

Scales and comparisons

• 144,217,920 seconds is equal to 4 years, 30 weeks, 3 days, 4 hours, 32 minutes.
• To count from 1 to 144,217,920 would take you about six 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 144217920 cubic inches would be around 43.7 feet tall.

Recreational maths with 144217920

• 144217920 backwards is 029712441
• 144217920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 144217920's digits is 30
• More coming soon!