12945036720

Names of 12945036720

• Cardinal: 12945036720 can be written as Twelve billion, nine hundred forty-five million, thirty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.294503672 × 10¹⁰

Factors of 12945036720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4818

Divisors of 12945036720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 55 56 60 66 70 77 80 84 88 105 110 112 120 132 140 151 154 165 168 176 210 220 231 240 264 280 302 308 330 336 385 420 440 453 462 528 560 604 616 660 755 770 840 880 906 924 1057 1155 1208 1232 1320 1510 1540 1661 1680 1812 1848 2114 2265 2310 2416 2640 3020 3080 3171 3322 3624 3696 4228 4530 4620 4639 4983 5285 6040 6160 6342 6644 7248 8305 8456 9060 9240 9278 9966 10570 11627 12080 12684 13288 13917 15855 16610 16912 18120 18480 18556 19932 21140 23195 23254 24915 25368 26576 27834 31710 32473 33220 34881 36240 37112 39864 42280 46390 46508 49830 50736 51029 55668 58135 63420 64946 66440 69585 69762 74224 79728 84560 92780 93016 97419 99660 102058 111336 116270 126840 129892 132880 139170 139524 153087 162365 174405 185560 186032 194838 199320 204116 222672 232540 253680 255145 259784 278340 279048 306174 324730 348810 357203 371120 389676 398640 408232 465080 487095 510290 519568 556680 558096 612348 649460 697620 700489 714406 765435 779352 816464 930160 974190 1020580 1071609 1113360 1224696 1298920 1395240 1400978 1428812 1530870 1558704 1786015 1948380 2041160 2101467 2143218 2449392 2597840 2790480 2801956 2857624 3061740 3502445 3572030 3896760 4082320 4202934 4286436 4903423 5358045 5603912 5715248 6123480 7004890 7144060 7705379 7793520 8405868 8572872 9806846 10507335 10716090 11207824 12246960 14009780 14288120 14710269 15410758 16811736 17145744 19613692 21014670 21432180 23116137 24517115 28019560 28576240 29420538 30821516 33623472 38526895 39227384 42029340 42864360 46232274 49034230 53937653 56039120 58841076 61643032 73551345 77053790 78454768 84058680 85728720 92464548 98068460 107875306 115580685 117682152 123286064 147102690 154107580 161812959 168117360 184929096 196136920 215750612 231161370 235364304 269688265 294205380 308215160 323625918 369858192 392273840 431501224 462322740 539376530 588410760 616430320 647251836 809064795 863002448 924645480 1078753060 1176821520 1294503672 1618129590 1849290960 2157506120 2589007344 3236259180 4315012240 6472518360 12945036720
• Sum of all divisors σ(n): 50373918720
• Sum of proper divisors (its aliquot sum) s(n): 37428882000
• 12945036720 is an abundant number, because the sum of its proper divisors (37428882000) is greater than itself. Its abundance is 24483845280

Bases of 12945036720

• Binary: 1100000011100101011001010110110000₂
• Hexadecimal: 0x3039595B0
• Base-36: 5Y3529C

Squares and roots of 12945036720

• 12945036720 squared (12945036720²) is 167573975682148358400
• 12945036720 cubed (12945036720³) is 2169251268521797547975720448000
• The square root of 12945036720 is 113776.2572771665
• The cube root of 12945036720 is 2348.0162356295

Scales and comparisons

• 12,945,036,720 seconds is equal to 411 years, 31 weeks, 5 days, 19 hours, 32 minutes.
• To count from 1 to 12,945,036,720 would take you about eight hundred twenty-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 12945036720 cubic inches would be around 195.7 feet tall.

Recreational maths with 12945036720

• 12945036720 backwards is 02763054921
• The number of decimal digits it has is: 11
• The sum of 12945036720's digits is 39
• More coming soon!