12639784960

Names of 12639784960

• Cardinal: 12639784960 can be written as Twelve billion, six hundred thirty-nine million, seven hundred eighty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.263978496 × 10¹⁰

Factors of 12639784960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2990

Divisors of 12639784960

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 8 10 11 16 19 20 22 32 38 40 44 55 64 76 80 88 95 110 128 152 160 176 190 209 220 256 304 320 352 380 418 440 512 608 640 704 760 836 880 1024 1045 1216 1280 1408 1520 1672 1760 2048 2090 2432 2560 2816 2953 3040 3344 3520 4096 4180 4864 5120 5632 5906 6080 6688 7040 8360 9728 10240 11264 11812 12160 13376 14080 14765 16720 19456 20480 22528 23624 24320 26752 28160 29530 32483 33440 38912 45056 47248 48640 53504 56107 56320 59060 64966 66880 77824 94496 97280 107008 112214 112640 118120 129932 133760 162415 188992 194560 214016 224428 225280 236240 259864 267520 280535 324830 377984 389120 428032 448856 472480 519728 535040 561070 617177 649660 755968 856064 897712 944960 1039456 1070080 1122140 1234354 1299320 1511936 1795424 1889920 2078912 2140160 2244280 2468708 2598640 3023872 3085885 3590848 3779840 4157824 4280320 4488560 4937416 5197280 6047744 6171770 7181696 7559680 8315648 8977120 9874832 10394560 12095488 12343540 14363392 15119360 16631296 17954240 19749664 20789120 24687080 28726784 30238720 33262592 35908480 39499328 41578240 49374160 57453568 60477440 66525184 71816960 78998656 83156480 98748320 114907136 133050368 143633920 157997312 166312960 197496640 229814272 287267840 315994624 332625920 394993280 574535680 631989248 665251840 789986560 1149071360 1263978496 1579973120 2527956992 3159946240 6319892480 12639784960
• Sum of all divisors σ(n): 34842548160
• Sum of proper divisors (its aliquot sum) s(n): 22202763200
• 12639784960 is an abundant number, because the sum of its proper divisors (22202763200) is greater than itself. Its abundance is 9562978240

Bases of 12639784960

• Binary: 1011110001011000111101000000000000₂
• Hexadecimal: 0x2F163D000
• Base-36: 5T1EGHS

Squares and roots of 12639784960

• 12639784960 squared (12639784960²) is 159764163835042201600
• 12639784960 cubed (12639784960³) is 2019384675189142340748967936000
• The square root of 12639784960 is 112426.7982288921
• The cube root of 12639784960 is 2329.4133590359

Scales and comparisons

• 12,639,784,960 seconds is equal to 401 years, 47 weeks, 19 hours, 22 minutes, 40 seconds.
• To count from 1 to 12,639,784,960 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 12639784960 cubic inches would be around 194.1 feet tall.

Recreational maths with 12639784960

• 12639784960 backwards is 06948793621
• 12639784960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12639784960's digits is 55
• More coming soon!