12987064320

Names of 12987064320

• Cardinal: 12987064320 can be written as Twelve billion, nine hundred eighty-seven million, sixty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.298706432 × 10¹⁰

Factors of 12987064320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 6244

Divisors of 12987064320

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 512 544 640 680 768 816 960 1020 1024 1088 1280 1360 1536 1632 1920 2040 2048 2176 2560 2720 3072 3264 3840 4080 4096 4352 5120 5440 6144 6217 6528 7680 8160 8192 8704 10240 10880 12288 12434 13056 15360 16320 17408 18651 20480 21760 24576 24868 26112 30720 31085 32640 34816 37302 40960 43520 49736 52224 61440 62170 65280 69632 74604 87040 93255 99472 104448 105689 122880 124340 130560 139264 149208 174080 186510 198944 208896 211378 248680 261120 298416 317067 348160 373020 397888 417792 422756 497360 522240 528445 596832 634134 696320 746040 795776 845512 994720 1044480 1056890 1193664 1268268 1492080 1585335 1591552 1691024 1989440 2088960 2113780 2387328 2536536 2984160 3170670 3183104 3382048 3978880 4227560 4774656 5073072 5968320 6341340 6366208 6764096 7957760 8455120 9549312 10146144 11936640 12682680 12732416 13528192 15915520 16910240 19098624 20292288 23873280 25365360 25464832 27056384 31831040 33820480 38197248 40584576 47746560 50730720 50929664 54112768 63662080 67640960 76394496 81169152 95493120 101461440 108225536 127324160 135281920 152788992 162338304 190986240 202922880 216451072 254648320 270563840 324676608 381972480 405845760 432902144 541127680 649353216 763944960 811691520 865804288 1082255360 1298706432 1623383040 2164510720 2597412864 3246766080 4329021440 6493532160 12987064320
• Sum of all divisors σ(n): 44007621408
• Sum of proper divisors (its aliquot sum) s(n): 31020557088
• 12987064320 is an abundant number, because the sum of its proper divisors (31020557088) is greater than itself. Its abundance is 18033492768

Bases of 12987064320

• Binary: 1100000110000101101110000000000000₂
• Hexadecimal: 0x30616E000
• Base-36: 5YS5UYO

Squares and roots of 12987064320

• 12987064320 squared (12987064320²) is 168663839651817062400
• 12987064320 cubed (12987064320³) is 2190448134016314594262253568000
• The square root of 12987064320 is 113960.8016819819
• The cube root of 12987064320 is 2350.5545285613

Scales and comparisons

• 12,987,064,320 seconds is equal to 412 years, 49 weeks, 2 days, 5 hours, 52 minutes.
• To count from 1 to 12,987,064,320 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 12987064320 cubic inches would be around 195.9 feet tall.

Recreational maths with 12987064320

• 12987064320 backwards is 02346078921
• The number of decimal digits it has is: 11
• The sum of 12987064320's digits is 42
• More coming soon!