12681948720

Names of 12681948720

• Cardinal: 12681948720 can be written as Twelve billion, six hundred eighty-one million, nine hundred forty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.268194872 × 10¹⁰

Factors of 12681948720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 900

Divisors of 12681948720

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 35 40 42 43 48 49 56 60 62 70 80 84 86 93 98 105 112 120 124 129 140 147 155 168 172 186 196 210 215 217 240 245 248 258 280 294 301 310 336 344 372 392 420 430 434 465 490 496 516 560 588 602 620 645 651 688 735 744 784 809 840 860 868 903 930 980 1032 1085 1176 1204 1240 1290 1302 1333 1470 1488 1505 1519 1618 1680 1720 1736 1806 1860 1960 2064 2107 2170 2352 2408 2427 2480 2580 2604 2666 2940 3010 3038 3236 3255 3440 3472 3612 3720 3920 3999 4045 4214 4340 4515 4557 4816 4854 5160 5208 5332 5663 5880 6020 6076 6321 6472 6510 6665 7224 7440 7595 7998 8090 8428 8680 9030 9114 9331 9708 10320 10416 10535 10664 11326 11760 12040 12135 12152 12642 12944 13020 13330 14448 15190 15996 16180 16856 16989 17360 18060 18228 18662 19416 19995 21070 21328 22652 22785 24080 24270 24304 25079 25284 26040 26660 27993 28315 30380 31605 31992 32360 33712 33978 34787 36120 36456 37324 38832 39641 39990 42140 45304 45570 46655 48540 50158 50568 52080 53320 55986 56630 60760 63210 63984 64720 65317 67956 69574 72240 72912 74648 75237 79282 79980 84280 84945 90608 91140 93310 97080 100316 101136 104361 106640 111972 113260 118923 121520 125395 126420 130634 135912 139148 139965 149296 150474 158564 159960 168560 169890 173935 175553 182280 186620 194160 195951 198205 200632 208722 223944 226520 237846 243509 250790 252840 261268 271824 278296 279930 300948 317128 319920 326585 339780 347870 351106 364560 373240 376185 391902 396410 401264 417444 447888 453040 475692 487018 501580 505680 521805 522536 526659 556592 559860 594615 601896 634256 653170 679560 695740 702212 730527 746480 752370 783804 792820 834888 877765 951384 974036 979755 1003160 1043610 1045072 1053318 1078397 1119720 1189230 1203792 1217545 1228871 1306340 1359120 1391480 1404424 1461054 1504740 1567608 1585640 1669776 1704563 1755530 1902768 1948072 1959510 2006320 2087220 2106636 2156794 2239440 2378460 2435090 2457742 2612680 2633295 2782960 2808848 2922108 3009480 3135216 3171280 3235191 3409126 3511060 3652635 3686613 3896144 3919020 4174440 4213272 4313588 4756920 4870180 4915484 5113689 5225360 5266590 5391985 5844216 6018960 6144355 6470382 6818252 7022120 7305270 7373226 7548779 7838040 8348880 8426544 8522815 8627176 9513840 9740360 9830968 10227378 10533180 10783970 11688432 12288710 12940764 13636504 14044240 14610540 14746452 15097558 15676080 16175955 17045630 17254352 18433065 19480720 19661936 20454756 21066360 21567940 22646337 24577420 25568445 25881528 27273008 29221080 29492904 30195116 32351910 34091260 36866130 37743895 40909512 42132720 43135880 45292674 49154840 51136890 51763056 52841453 58442160 58985808 60390232 64703820 68182520 73732260 75487790 81819024 86271760 90585348 98309680 102273780 105682906 113231685 120780464 129407640 136365040 147464520 150975580 158524359 181170696 204547560 211365812 226463370 258815280 264207265 294929040 301951160 317048718 362341392 409095120 422731624 452926740 528414530 603902320 634097436 792621795 845463248 905853480 1056829060 1268194872 1585243590 1811706960 2113658120 2536389744 3170487180 4227316240 6340974360 12681948720
• Sum of all divisors σ(n): 48365475840
• Sum of proper divisors (its aliquot sum) s(n): 35683527120
• 12681948720 is an abundant number, because the sum of its proper divisors (35683527120) is greater than itself. Its abundance is 23001578400

Bases of 12681948720

• Binary: 1011110011111001110010111000110000₂
• Hexadecimal: 0x2F3E72E30
• Base-36: 5TQI69C

Squares and roots of 12681948720

• 12681948720 squared (12681948720²) is 160831823336709638400
• 12681948720 cubed (12681948720³) is 2039660936100250927718542848000
• The square root of 12681948720 is 112614.1586124941
• The cube root of 12681948720 is 2332.0006345207

Scales and comparisons

• 12,681,948,720 seconds is equal to 403 years, 12 weeks, 5 days, 19 hours, 32 minutes.
• To count from 1 to 12,681,948,720 would take you about eight hundred six 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 12681948720 cubic inches would be around 194.3 feet tall.

Recreational maths with 12681948720

• 12681948720 backwards is 02784918621
• 12681948720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12681948720's digits is 48
• More coming soon!