12981361379640

Names of 12981361379640

• Cardinal: 12981361379640 can be written as Twelve trillion, nine hundred eighty-one billion, three hundred sixty-one million, three hundred seventy-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.298136137964 × 10¹³

Factors of 12981361379640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 599

Divisors of 12981361379640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 241 255 331 340 408 482 510 662 680 723 964 993 1020 1205 1324 1446 1655 1928 1986 2040 2410 2648 2892 3310 3615 3972 4097 4820 4965 5627 5784 6620 7230 7944 8194 9640 9930 11254 12291 13240 14460 16388 16881 19860 20485 22508 24582 28135 28920 32776 33762 39720 40970 45016 49164 56270 58081 61455 67524 79771 81940 84405 98328 109561 112540 116162 122910 135048 159542 163880 168810 174243 219122 225080 232324 239313 245820 290405 319084 328683 337620 348486 398855 438244 464648 478626 491640 547805 580810 638168 657366 675240 696972 797710 871215 876488 957252 987377 1095610 1161620 1196565 1314732 1356107 1393944 1595420 1643415 1742430 1862537 1914504 1974754 2191220 2323240 2393130 2629464 2712214 2962131 3190840 3286830 3484860 3725074 3949508 4068321 4382440 4786260 4936885 5424428 5587611 5924262 6573660 6780535 6969720 7450148 7899016 8136642 9312685 9572520 9873770 10848856 11175222 11848524 13147320 13561070 14810655 14900296 16273284 18625370 19224811 19747540 20341605 22350444 23697048 26404201 27122140 27938055 29621310 32546568 37250740 38449622 39495080 40683210 44700888 52808402 54244280 55876110 57674433 59242620 74501480 76899244 79212603 81366420 96124055 105616804 111752220 115348866 118485240 132021005 153798488 158425206 162732840 192248110 211233608 223504440 230697732 264042010 288372165 316850412 326821787 384496220 396063015 448871417 461395464 528084020 576744330 633700824 653643574 768992440 792126030 897742834 980465361 1056168040 1153488660 1307287148 1346614251 1584252060 1634108935 1795485668 1960930722 2244357085 2306977320 2614574296 2693228502 3168504120 3268217870 3590971336 3921861444 4488714170 4902326805 5386457004 6363412441 6536435740 6733071255 7843722888 8977428340 9804653610 10772914008 12726824882 13072871480 13466142510 17954856680 19090237323 19609307220 25453649764 26932285020 31817062205 38180474646 39218614440 50907299528 53864570040 63634124410 76360949292 95451186615 108178011497 127268248820 152721898584 190902373230 216356022994 254536497640 324534034491 381804746460 432712045988 540890057485 649068068982 763609492920 865424091976 1081780114970 1298136137964 1622670172455 2163560229940 2596272275928 3245340344910 4327120459880 6490680689820 12981361379640
• Sum of all divisors σ(n): 41532195564720
• Sum of proper divisors (its aliquot sum) s(n): 28550834185080
• 12981361379640 is an abundant number, because the sum of its proper divisors (28550834185080) is greater than itself. Its abundance is 15569472805440

Bases of 12981361379640

• Binary: 10111100111001110101011011110000100100111000₂
• Hexadecimal: 0xBCE756F0938
• Base-36: 4LNJZEA0O

Squares and roots of 12981361379640

• 12981361379640 squared (12981361379640²) is 168515743268808924206529600
• 12981361379640 cubed (12981361379640³) is 2187563761531045459717219280552497344000
• The square root of 12981361379640 is 3602965.6367553659
• The cube root of 12981361379640 is 23502.1041602489

Scales and comparisons

• 12,981,361,379,640 seconds is equal to 412,767 years, 7 weeks, 1 day, 4 hours, 34 minutes.
• To count from 1 to 12,981,361,379,640 would take you about one million, thirty-one thousand, nine hundred seventeen 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 12981361379640 cubic inches would be around 1958.5 feet tall.

Recreational maths with 12981361379640

• 12981361379640 backwards is 04697316318921
• 12981361379640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12981361379640's digits is 60
• More coming soon!