144727440

Names of 144727440

• Cardinal: 144727440 can be written as One hundred forty-four million, seven hundred twenty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4472744 × 10⁸

Factors of 144727440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4251

Divisors of 144727440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 33 39 40 44 48 52 55 60 65 66 78 80 88 104 110 120 130 132 143 156 165 176 195 208 220 240 260 264 286 312 330 390 429 440 520 528 572 624 660 715 780 858 880 1040 1144 1320 1430 1560 1716 2145 2288 2640 2860 3120 3432 4217 4290 5720 6864 8434 8580 11440 12651 16868 17160 21085 25302 33736 34320 42170 46387 50604 54821 63255 67472 84340 92774 101208 109642 126510 139161 164463 168680 185548 202416 219284 231935 253020 274105 278322 328926 337360 371096 438568 463870 506040 548210 556644 603031 657852 695805 742192 822315 877136 927740 1012080 1096420 1113288 1206062 1315704 1391610 1644630 1809093 1855480 2192840 2226576 2412124 2631408 2783220 3015155 3289260 3618186 3710960 4385680 4824248 5566440 6030310 6578520 7236372 9045465 9648496 11132880 12060620 13157040 14472744 18090930 24121240 28945488 36181860 48242480 72363720 144727440
• Sum of all divisors σ(n): 527216256
• Sum of proper divisors (its aliquot sum) s(n): 382488816
• 144727440 is an abundant number, because the sum of its proper divisors (382488816) is greater than itself. Its abundance is 237761376

Bases of 144727440

• Binary: 1000101000000101110110010000₂
• Hexadecimal: 0x8A05D90
• Base-36: 2E60EO

Squares and roots of 144727440

• 144727440 squared (144727440²) is 20946031888953600
• 144727440 cubed (144727440³) is 3031465573446618806784000
• The square root of 144727440 is 12030.2718173781
• The cube root of 144727440 is 525.0294042487

Scales and comparisons

• 144,727,440 seconds is equal to 4 years, 31 weeks, 2 days, 2 hours, 4 minutes.
• To count from 1 to 144,727,440 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 144727440 cubic inches would be around 43.8 feet tall.

Recreational maths with 144727440

• 144727440 backwards is 044727441
• 144727440 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 144727440's digits is 33
• More coming soon!