12987468450

Names of 12987468450

• Cardinal: 12987468450 can be written as Twelve billion, nine hundred eighty-seven million, four hundred sixty-eight thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.298746845 × 10¹⁰

Factors of 12987468450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 64

Divisors of 12987468450

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 43 45 50 54 55 66 75 86 90 99 110 121 129 135 150 165 198 215 225 242 258 270 275 297 330 363 387 430 450 473 495 550 594 605 645 675 726 774 825 946 990 1075 1089 1161 1210 1290 1350 1419 1485 1650 1815 1849 1935 2150 2178 2322 2365 2475 2838 2970 3025 3225 3267 3630 3698 3870 4257 4730 4950 5203 5445 5547 5805 6050 6450 6534 7095 7425 8514 9075 9245 9675 10406 10890 11094 11610 11825 12771 14190 14850 15609 16335 16641 18150 18490 19350 20339 21285 23650 25542 26015 27225 27735 29025 31218 32670 33282 35475 40678 42570 46225 46827 49923 52030 54450 55470 58050 61017 63855 70950 78045 79507 81675 83205 92450 93654 99846 101695 106425 122034 127710 130075 138675 140481 156090 159014 163350 166410 183051 203390 212850 223729 234135 238521 249615 260150 277350 280962 305085 319275 366102 390225 397535 416025 447458 468270 477042 499230 508475 549153 610170 638550 671187 702405 715563 780450 795070 832050 874577 915255 1016950 1098306 1118645 1170675 1192605 1248075 1342374 1404810 1431126 1525425 1749154 1830510 1987675 2013561 2146689 2237290 2341350 2385210 2496150 2623731 2745765 3050850 3355935 3512025 3577815 3975350 4027122 4293378 4372885 4576275 5247462 5491530 5593225 5963025 6040683 6711870 7024050 7155630 7871193 8745770 9152550 9620347 10067805 10733445 11186450 11926050 12081366 13118655 13728825 15742386 16779675 17889075 19240694 20135610 21466890 21864425 23613579 26237310 27457650 28861041 30203415 33559350 35778150 39355965 43728850 47227158 48101735 50339025 53667225 57722082 60406830 65593275 78711930 86583123 96203470 100678050 107334450 118067895 131186550 144305205 151017075 173166246 196779825 236135790 240508675 259749369 288610410 302034150 393559650 432915615 481017350 519498738 590339475 721526025 865831230 1180678950 1298746845 1443052050 2164578075 2597493690 4329156150 6493734225 12987468450
• Sum of all divisors σ(n): 40273464000
• Sum of proper divisors (its aliquot sum) s(n): 27285995550
• 12987468450 is an abundant number, because the sum of its proper divisors (27285995550) is greater than itself. Its abundance is 14298527100

Bases of 12987468450

• Binary: 1100000110000111010000101010100010₂
• Hexadecimal: 0x3061D0AA2
• Base-36: 5YSEISI

Squares and roots of 12987468450

• 12987468450 squared (12987468450²) is 168674336739745402500
• 12987468450 cubed (12987468450³) is 2190652626732119276001301125000
• The square root of 12987468450 is 113962.5747778629
• The cube root of 12987468450 is 2350.5789097385

Scales and comparisons

• 12,987,468,450 seconds is equal to 412 years, 49 weeks, 6 days, 22 hours, 7 minutes, 30 seconds.
• To count from 1 to 12,987,468,450 would take you about eight hundred twenty-five 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 12987468450 cubic inches would be around 195.9 feet tall.

Recreational maths with 12987468450

• 12987468450 backwards is 05486478921
• 12987468450 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12987468450's digits is 54
• More coming soon!