12691362816

Names of 12691362816

• Cardinal: 12691362816 can be written as Twelve billion, six hundred ninety-one million, three hundred sixty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.2691362816 × 10¹⁰

Factors of 12691362816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 634

Divisors of 12691362816

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 32 33 36 38 44 48 57 64 66 72 76 88 96 99 114 121 128 132 144 152 171 176 192 198 209 228 242 256 264 288 304 342 352 363 384 396 418 456 484 512 528 576 599 608 627 684 704 726 768 792 836 912 968 1024 1056 1089 1152 1198 1216 1254 1368 1408 1452 1536 1584 1672 1797 1824 1881 1936 2112 2178 2299 2304 2396 2432 2508 2736 2816 2904 3072 3168 3344 3594 3648 3762 3872 4224 4356 4598 4608 4792 4864 5016 5391 5472 5632 5808 6336 6589 6688 6897 7188 7296 7524 7744 8448 8712 9196 9216 9584 9728 10032 10782 10944 11264 11381 11616 12672 13178 13376 13794 14376 14592 15048 15488 16896 17424 18392 19168 19456 19767 20064 20691 21564 21888 22762 23232 25344 26356 26752 27588 28752 29184 30096 30976 33792 34143 34848 36784 38336 39534 40128 41382 43128 43776 45524 46464 50688 52712 53504 55176 57504 58368 59301 60192 61952 68286 69696 72479 73568 76672 79068 80256 82764 86256 87552 91048 92928 101376 102429 105424 107008 110352 115008 118602 120384 123904 125191 136572 139392 144958 147136 153344 158136 160512 165528 172512 175104 182096 185856 204858 210848 214016 217437 220704 230016 237204 240768 250382 273144 278784 289916 294272 306688 316272 321024 331056 345024 364192 371712 375573 409716 421696 434874 441408 460032 474408 481536 500764 546288 557568 579832 588544 613376 632544 642048 652311 662112 690048 728384 751146 819432 843392 869748 882816 920064 948816 963072 1001528 1092576 1115136 1126719 1159664 1177088 1265088 1304622 1324224 1377101 1380096 1456768 1502292 1638864 1686784 1739496 1765632 1840128 1897632 1926144 2003056 2185152 2253438 2319328 2354176 2530176 2609244 2648448 2754202 2760192 2913536 3004584 3277728 3373568 3478992 3531264 3795264 4006112 4131303 4370304 4506876 4638656 5060352 5218488 5296896 5508404 5520384 5827072 6009168 6555456 6747136 6957984 7062528 7590528 8012224 8262606 8740608 9013752 9277312 10120704 10436976 10593792 11016808 11654144 12018336 12393909 13110912 13915968 15181056 16024448 16525212 17481216 18027504 18554624 20241408 20873952 21187584 22033616 24036672 24787818 26221824 27831936 30362112 32048896 33050424 34962432 36055008 37109248 41747904 44067232 48073344 49575636 52443648 55663872 60724224 64097792 66100848 72110016 74218496 83495808 88134464 96146688 99151272 104887296 111327744 128195584 132201696 144220032 166991616 176268928 192293376 198302544 222655488 264403392 288440064 333983232 352537856 384586752 396605088 528806784 576880128 667966464 705075712 793210176 1057613568 1153760256 1410151424 1586420352 2115227136 3172840704 4230454272 6345681408 12691362816
• Sum of all divisors σ(n): 42471156000
• Sum of proper divisors (its aliquot sum) s(n): 29779793184
• 12691362816 is an abundant number, because the sum of its proper divisors (29779793184) is greater than itself. Its abundance is 17088430368

Bases of 12691362816

• Binary: 1011110100011101101101010000000000₂
• Hexadecimal: 0x2F476D400
• Base-36: 5TW3Y80

Squares and roots of 12691362816

• 12691362816 squared (12691362816²) is 161070690127347449856
• 12691362816 cubed (12691362816³) is 2044206567429675729814862954496
• The square root of 12691362816 is 112655.9488708875
• The cube root of 12691362816 is 2332.5775239859

Scales and comparisons

• 12,691,362,816 seconds is equal to 403 years, 28 weeks, 2 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 12,691,362,816 would take you about eight hundred seven 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 12691362816 cubic inches would be around 194.4 feet tall.

Recreational maths with 12691362816

• 12691362816 backwards is 61826319621
• The number of decimal digits it has is: 11
• The sum of 12691362816's digits is 45
• More coming soon!