18908042660

Names of 18908042660

• Cardinal: 18908042660 can be written as Eighteen billion, nine hundred eight million, forty-two thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.890804266 × 10¹⁰

Factors of 18908042660

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 225

Divisors of 18908042660

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 10 13 19 20 26 31 37 38 47 52 62 65 71 74 76 94 95 124 130 142 148 155 185 188 190 235 247 260 284 310 355 370 380 403 470 481 494 589 611 620 703 710 740 806 893 923 940 962 988 1147 1178 1222 1235 1349 1406 1420 1457 1612 1739 1786 1846 1924 2015 2201 2294 2356 2405 2444 2470 2627 2698 2812 2914 2945 3055 3337 3478 3515 3572 3692 4030 4402 4465 4588 4615 4810 4940 5254 5396 5735 5828 5890 6110 6674 6745 6956 7030 7285 7657 8060 8695 8804 8930 9139 9230 9620 10508 11005 11470 11609 11780 12220 13135 13348 13490 14060 14570 14911 15314 16685 17390 17537 17860 18278 18460 18941 21793 22010 22607 22940 23218 26270 26980 27683 28613 29140 29822 30628 33041 33370 34151 34780 35074 36556 37882 38285 41819 43381 43586 44020 45214 45695 46436 49913 52540 53909 55366 57226 58045 59644 63403 66082 66740 68302 70148 74555 75764 76570 81437 83638 86762 87172 87685 90428 91390 94705 99826 103447 107818 108965 110732 113035 114452 116090 123469 126806 132164 136604 138415 143065 149110 153140 162874 165205 167276 170755 173524 175370 182780 189410 199652 206894 209095 215636 216905 217930 226070 232180 246938 249565 253612 269545 276830 283309 286130 298220 317015 325748 330410 341510 350740 359879 378820 407185 413788 418190 429533 433810 435860 452140 493876 499130 517235 539090 543647 553660 566618 572260 617345 634030 648869 660820 683020 700817 719758 814370 824239 836380 859066 867620 998260 1024271 1034470 1058681 1078180 1087294 1133236 1234690 1268060 1297738 1344811 1401634 1416545 1439516 1547303 1605097 1628740 1648478 1718132 1799395 1965493 2048542 2068940 2117362 2147665 2174588 2345911 2469380 2595476 2689622 2718235 2803268 2833090 3094606 3210194 3244345 3296956 3504085 3598790 3827539 3930986 4097084 4121195 4234724 4295330 4691822 5121355 5293405 5379244 5436470 5666180 6189212 6420388 6488690 6724055 7008170 7197580 7655078 7736515 7861972 8025485 8242390 8590660 9383644 9827465 10242710 10586810 10872940 11729555 12977380 13315523 13448110 14016340 15310156 15473030 16050970 16484780 19137695 19654930 20114939 20485420 21173620 23459110 25551409 26631046 26896220 30496843 30946060 32101940 38275390 39309860 40229878 46918220 49758007 51102818 53262092 60993686 66577615 72723241 76550780 80459756 99516014 100574695 102205636 121987372 127757045 133155230 145446482 152484215 199032028 201149390 248790035 255514090 266310460 290892964 304968430 363616205 402298780 497580070 511028180 609936860 727232410 945402133 995160140 1454464820 1890804266 3781608532 4727010665 9454021330 18908042660
• Sum of all divisors σ(n): 49421352960
• Sum of proper divisors (its aliquot sum) s(n): 30513310300
• 18908042660 is an abundant number, because the sum of its proper divisors (30513310300) is greater than itself. Its abundance is 11605267640

Bases of 18908042660

• Binary: 10001100111000000011101010110100100₂
• Hexadecimal: 0x46701D5A4
• Base-36: 8OPCZ38

Squares and roots of 18908042660

• 18908042660 squared (18908042660²) is 357514077232379875600
• 18908042660 cubed (18908042660³) is 6759891423860373421170293096000
• The square root of 18908042660 is 137506.5186091191
• The cube root of 18908042660 is 2664.0897881535

Scales and comparisons

• 18,908,042,660 seconds is equal to 601 years, 11 weeks, 2 days, 2 hours, 4 minutes, 20 seconds.
• To count from 1 to 18,908,042,660 would take you about one thousand, two hundred two 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 18908042660 cubic inches would be around 222 feet tall.

Recreational maths with 18908042660

• 18908042660 backwards is 06624080981
• The number of decimal digits it has is: 11
• The sum of 18908042660's digits is 44
• More coming soon!