13181487540

Names of 13181487540

• Cardinal: 13181487540 can be written as Thirteen billion, one hundred eighty-one million, four hundred eighty-seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.318148754 × 10¹⁰

Factors of 13181487540

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 545

Divisors of 13181487540

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 37 39 51 52 60 65 67 68 74 78 85 102 111 130 134 148 156 170 185 195 201 204 221 222 255 260 268 335 340 370 390 401 402 442 444 481 510 555 629 663 670 740 780 802 804 871 884 962 1005 1020 1105 1110 1139 1203 1258 1326 1340 1443 1604 1742 1887 1924 2005 2010 2210 2220 2278 2405 2406 2479 2516 2613 2652 2886 3145 3315 3417 3484 3774 4010 4020 4355 4420 4556 4810 4812 4958 5213 5226 5695 5772 6015 6290 6630 6817 6834 7215 7437 7548 8020 8177 8710 9435 9620 9916 10426 10452 11390 12030 12395 12580 13065 13260 13634 13668 14430 14807 14837 14874 15639 16354 17085 17420 18870 20451 20852 22780 24060 24531 24790 26065 26130 26867 27268 28860 29614 29674 29748 31278 32227 32708 34085 34170 37185 37740 40885 40902 42143 44421 44511 49062 49580 52130 52260 53734 59228 59348 62556 64454 68170 68340 74035 74185 74370 78195 80601 81770 81804 84286 88621 88842 89022 96681 98124 102255 104260 107468 122655 126429 128908 134335 136340 148070 148370 148740 156390 161135 161202 163540 168572 177242 177684 178044 192881 193362 204510 210715 222105 222555 245310 252229 252858 265863 268670 296140 296740 312780 322270 322404 349271 354484 385762 386724 403005 409020 421430 443105 444210 445110 456739 483405 490620 504458 505716 531726 537340 547859 578643 632145 644540 698542 756687 771524 806010 842860 886210 888420 890220 913478 964405 966810 994079 1008916 1047813 1063452 1095718 1157286 1261145 1264290 1329315 1370217 1397084 1513374 1612020 1643577 1746355 1772420 1826956 1928810 1933620 1988158 2095626 2191436 2283695 2314572 2522290 2528580 2658630 2739295 2740434 2893215 2982237 3026748 3278977 3287154 3492710 3783435 3857620 3976316 4191252 4567390 4970395 5044580 5239065 5317260 5478590 5480868 5786430 5937607 5964474 6557954 6574308 6851085 6985420 7566870 8217885 9134780 9836931 9940790 10478130 10957180 11572860 11875214 11928948 12923027 13115908 13702170 14911185 15133740 16394885 16435770 16899343 17812821 19673862 19881580 20956260 23750428 25846054 27404340 29688035 29822370 32789770 32871540 33798686 35625642 38769081 39347724 49184655 50698029 51692108 59376070 59644740 64615135 65579540 67597372 71251284 77538162 84496715 89064105 98369310 101396058 118752140 129230270 155076324 168993430 178128210 193845405 196738620 202792116 219691459 253490145 258460540 337986860 356256420 387690810 439382918 506980290 659074377 775381620 878765836 1013960580 1098457295 1318148754 2196914590 2636297508 3295371885 4393829180 6590743770 13181487540
• Sum of all divisors σ(n): 43977282048
• Sum of proper divisors (its aliquot sum) s(n): 30795794508
• 13181487540 is an abundant number, because the sum of its proper divisors (30795794508) is greater than itself. Its abundance is 17614306968

Bases of 13181487540

• Binary: 1100010001101011011000100110110100₂
• Hexadecimal: 0x311AD89B4
• Base-36: 61ZX0VO

Squares and roots of 13181487540

• 13181487540 squared (13181487540²) is 173751613767175251600
• 13181487540 cubed (13181487540³) is 2290304731926913039961765064000
• The square root of 13181487540 is 114810.6595225373
• The cube root of 13181487540 is 2362.2261587919

Scales and comparisons

• 13,181,487,540 seconds is equal to 419 years, 6 weeks, 5 days, 12 hours, 19 minutes.
• To count from 1 to 13,181,487,540 would take you about eight hundred thirty-eight 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 13181487540 cubic inches would be around 196.9 feet tall.

Recreational maths with 13181487540

• 13181487540 backwards is 04578418131
• The number of decimal digits it has is: 11
• The sum of 13181487540's digits is 42
• More coming soon!