12878983040

Names of 12878983040

• Cardinal: 12878983040 can be written as Twelve billion, eight hundred seventy-eight million, nine hundred eighty-three thousand and forty.

Scientific notation

• Scientific notation: 1.287898304 × 10¹⁰

Factors of 12878983040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5009

Divisors of 12878983040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 53 55 56 64 70 77 80 88 106 110 112 128 140 154 160 176 212 220 224 265 280 308 320 352 371 385 424 440 448 530 560 583 616 640 704 742 770 848 880 896 1060 1120 1166 1232 1408 1484 1540 1696 1760 1855 2120 2240 2332 2464 2915 2968 3080 3392 3520 3710 4081 4240 4480 4664 4928 4931 5830 5936 6160 6784 7040 7420 8162 8480 9328 9856 9862 11660 11872 12320 14840 16324 16960 18656 19724 20405 23320 23744 24640 24655 29680 32648 33920 34517 37312 39448 40810 46640 47488 49280 49310 54241 59360 65296 69034 74624 78896 81620 93280 98620 108482 118720 130592 138068 157792 163240 172585 186560 197240 216964 237440 261184 261343 271205 276136 315584 326480 345170 373120 379687 394480 433928 522368 522686 542410 552272 631168 652960 690340 759374 788960 867856 1045372 1084820 1104544 1305920 1306715 1380680 1518748 1577920 1735712 1829401 1898435 2090744 2169640 2209088 2611840 2613430 2761360 2874773 3037496 3155840 3471424 3658802 3796870 4181488 4339280 4418176 5226860 5522720 5749546 6074992 6942848 7317604 7593740 8362976 8678560 9147005 10453720 11045440 11499092 12149984 14373865 14635208 15187480 16725952 17357120 18294010 20123411 20907440 22090880 22998184 24299968 28747730 29270416 30374960 33451904 34714240 36588020 40246822 41814880 45996368 48599936 57495460 58540832 60749920 73176040 80493644 83629760 91992736 100617055 114990920 117081664 121499840 146352080 160987288 167259520 183985472 201234110 229981840 234163328 242999680 292704160 321974576 367970944 402468220 459963680 585408320 643949152 804936440 919927360 1170816640 1287898304 1609872880 1839854720 2575796608 3219745760 6439491520 12878983040
• Sum of all divisors σ(n): 39118256640
• Sum of proper divisors (its aliquot sum) s(n): 26239273600
• 12878983040 is an abundant number, because the sum of its proper divisors (26239273600) is greater than itself. Its abundance is 13360290560

Bases of 12878983040

• Binary: 1011111111101001011010111110000000₂
• Hexadecimal: 0x2FFA5AF80
• Base-36: 5WZTAWW

Squares and roots of 12878983040

• 12878983040 squared (12878983040²) is 165868204144607641600
• 12878983040 cubed (12878983040³) is 2136213788053659523620798464000
• The square root of 12878983040 is 113485.6071931591
• The cube root of 12878983040 is 2344.0157407105

Scales and comparisons

• 12,878,983,040 seconds is equal to 409 years, 26 weeks, 4 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 12,878,983,040 would take you about eight hundred nineteen 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 12878983040 cubic inches would be around 195.3 feet tall.

Recreational maths with 12878983040

• 12878983040 backwards is 04038987821
• The number of decimal digits it has is: 11
• The sum of 12878983040's digits is 50
• More coming soon!