12640890080

Names of 12640890080

• Cardinal: 12640890080 can be written as Twelve billion, six hundred forty million, eight hundred ninety thousand and eighty.

Scientific notation

• Scientific notation: 1.264089008 × 10¹⁰

Factors of 12640890080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16461

Divisors of 12640890080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 53 56 65 70 80 91 104 106 112 130 140 160 182 208 212 224 260 265 280 364 371 416 424 455 520 530 560 689 728 742 848 910 1040 1060 1120 1378 1456 1484 1696 1820 1855 2080 2120 2756 2912 2968 3445 3640 3710 4240 4823 5512 5936 6890 7280 7420 8480 9646 11024 11872 13780 14560 14840 16381 19292 22048 24115 27560 29680 32762 38584 48230 55120 59360 65524 77168 81905 96460 110240 114667 131048 154336 163810 192920 212953 229334 262096 327620 385840 425906 458668 524192 573335 655240 771680 851812 868193 917336 1064765 1146670 1310480 1490671 1703624 1736386 1834672 2129530 2293340 2620960 2981342 3407248 3472772 3669344 4259060 4340965 4586680 5962684 6077351 6814496 6945544 7453355 8518120 8681930 9173360 11286509 11925368 12154702 13891088 14906710 17036240 17363860 18346720 22573018 23850736 24309404 27782176 29813420 30386755 34072480 34727720 45146036 47701472 48618808 56432545 59626840 60773510 69455440 79005563 90292072 97237616 112865090 119253680 121547020 138910880 158011126 180584144 194475232 225730180 238507360 243094040 316022252 361168288 395027815 451460360 486188080 632044504 790055630 902920720 972376160 1264089008 1580111260 1805841440 2528178016 3160222520 6320445040 12640890080
• Sum of all divisors σ(n): 37451611008
• Sum of proper divisors (its aliquot sum) s(n): 24810720928
• 12640890080 is an abundant number, because the sum of its proper divisors (24810720928) is greater than itself. Its abundance is 12169830848

Bases of 12640890080

• Binary: 1011110001011101001010110011100000₂
• Hexadecimal: 0x2F174ACE0
• Base-36: 5T2257K

Squares and roots of 12640890080

• 12640890080 squared (12640890080²) is 159792102014642406400
• 12640890080 cubed (12640890080³) is 2019914397219241209809088512000
• The square root of 12640890080 is 112431.7129639143
• The cube root of 12640890080 is 2329.4812453773

Scales and comparisons

• 12,640,890,080 seconds is equal to 401 years, 48 weeks, 6 days, 14 hours, 21 minutes, 20 seconds.
• To count from 1 to 12,640,890,080 would take you about eight hundred three 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 12640890080 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640890080

• 12640890080 backwards is 08009804621
• The number of decimal digits it has is: 11
• The sum of 12640890080's digits is 38
• More coming soon!