145224240

Names of 145224240

• Cardinal: 145224240 can be written as One hundred forty-five million, two hundred twenty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.4522424 × 10⁸

Factors of 145224240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 303

Divisors of 145224240

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 53 56 60 70 80 84 98 105 106 112 120 140 147 159 168 196 210 212 233 240 245 265 280 294 318 336 371 392 420 424 466 490 530 560 588 636 699 735 742 784 795 840 848 932 980 1060 1113 1165 1176 1272 1398 1470 1484 1590 1631 1680 1855 1864 1960 2120 2226 2330 2352 2544 2597 2796 2940 2968 3180 3262 3495 3710 3728 3920 4240 4452 4660 4893 5194 5565 5592 5880 5936 6360 6524 6990 7420 7791 8155 8904 9320 9786 10388 11130 11184 11417 11760 12349 12720 12985 13048 13980 14840 15582 16310 17808 18640 19572 20776 22260 22834 24465 24698 25970 26096 27960 29680 31164 32620 34251 37047 38955 39144 41552 44520 45668 48930 49396 51940 55920 57085 61745 62328 65240 68502 74094 77910 78288 86443 89040 91336 97860 98792 103880 114170 123490 124656 130480 137004 148188 155820 171255 172886 182672 185235 195720 197584 207760 228340 246980 259329 274008 296376 311640 342510 345772 370470 391440 432215 456680 493960 518658 548016 592752 605101 623280 685020 691544 740940 864430 913360 987920 1037316 1210202 1296645 1370040 1383088 1481880 1728860 1815303 2074632 2420404 2593290 2740080 2963760 3025505 3457720 3630606 4149264 4840808 5186580 6051010 6915440 7261212 9076515 9681616 10373160 12102020 14522424 18153030 20746320 24204040 29044848 36306060 48408080 72612120 145224240
• Sum of all divisors σ(n): 535867488
• Sum of proper divisors (its aliquot sum) s(n): 390643248
• 145224240 is an abundant number, because the sum of its proper divisors (390643248) is greater than itself. Its abundance is 245419008

Bases of 145224240

• Binary: 1000101001111111001000110000₂
• Hexadecimal: 0x8A7F230
• Base-36: 2EGNQO

Squares and roots of 145224240

• 145224240 squared (145224240²) is 21090079883577600
• 145224240 cubed (145224240³) is 3062790822631845441024000
• The square root of 145224240 is 12050.9020409263
• The cube root of 145224240 is 525.6294671987

Scales and comparisons

• 145,224,240 seconds is equal to 4 years, 32 weeks, 20 hours, 4 minutes.
• To count from 1 to 145,224,240 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 145224240 cubic inches would be around 43.8 feet tall.

Recreational maths with 145224240

• 145224240 backwards is 042422541
• 145224240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145224240's digits is 24
• More coming soon!