40128729954560

Names of 40128729954560

• Cardinal: 40128729954560 can be written as Forty trillion, one hundred twenty-eight billion, seven hundred twenty-nine million, nine hundred fifty-four thousand, five hundred sixty.

Scientific notation

• Scientific notation: 4.012872995456 × 10¹³

Factors of 40128729954560

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1264

Divisors of 40128729954560

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 157 160 169 208 256 260 314 320 338 416 520 628 640 676 785 832 845 1040 1087 1256 1280 1352 1570 1664 1690 2041 2080 2174 2512 2704 3140 3328 3380 4082 4160 4348 5024 5408 5435 6280 6760 8164 8320 8696 10048 10205 10816 10870 12560 13520 14131 16328 16640 17392 20096 20410 21632 21740 25120 26533 27040 28262 32656 34784 40192 40820 43264 43480 50240 53066 54080 56524 65312 69568 70655 81640 86960 100480 106132 108160 113048 130624 132665 139136 141310 163280 170659 173920 183703 200960 212264 216320 226096 261248 265330 278272 282620 326560 341318 347840 367406 424528 452192 522496 530660 565240 653120 682636 695680 734812 849056 853295 904384 918515 1061320 1130480 1181569 1306240 1365272 1391360 1469624 1698112 1706590 1808768 1837030 2122640 2218567 2260960 2363138 2612480 2730544 2939248 3396224 3413180 3617536 3674060 4245280 4437134 4521920 4726276 5461088 5878496 5907845 6792448 6826360 7348120 8490560 8874268 9043840 9452552 10922176 11092835 11756992 11815690 13652720 14696240 15360397 16981120 17748536 18087680 18905104 21844352 22185670 23513984 23631380 27305440 28841371 29392480 30720794 33962240 35497072 37810208 43688704 44371340 47027968 47262760 54610880 57682742 58784960 61441588 70994144 75620416 76801985 88742680 94525520 109221760 115365484 117569920 122883176 141988288 144206855 151240832 153603970 177485360 185506333 189051040 199685161 218443520 230730968 235139840 245766352 283976576 288413710 302481664 307207940 354970720 371012666 378102080 399370322 461461936 491532704 567953152 576827420 614415880 709941440 742025332 756204160 798740644 922923872 927531665 983065408 998425805 1153654840 1228831760 1419882880 1484050664 1512408320 1597481288 1845847744 1855063330 1966130816 1996851610 2307309680 2411582329 2457663520 2839765760 2968101328 3194962576 3691695488 3710126660 3932261632 3993703220 4614619360 4823164658 4915327040 5936202656 6389925152 7383390976 7420253320 7987406440 9229238720 9646329316 9830654080 11872405312 12057911645 12779850304 14840506640 15974812880 18458477440 19292658632 19661308160 23744810624 24115823290 25559700608 29681013280 31350570277 31949625760 36916954880 38585317264 47489621248 48231646580 51119401216 59362026560 62701140554 63899251520 77170634528 96463293160 118724053120 125402281108 127798503040 154341269056 156752851385 192926586320 237448106240 250804562216 255597006080 308682538112 313505702770 385853172640 501609124432 617365076224 627011405540 771706345280 1003218248864 1254022811080 1543412690560 2006436497728 2508045622160 3086825381120 4012872995456 5016091244320 8025745990912 10032182488640 20064364977280 40128729954560
• Sum of all divisors σ(n): 104842926230868
• Sum of proper divisors (its aliquot sum) s(n): 64714196276308
• 40128729954560 is an abundant number, because the sum of its proper divisors (64714196276308) is greater than itself. Its abundance is 24585466321748

Bases of 40128729954560

• Binary: 1001000111111100110010101100011011100100000000₂
• Hexadecimal: 0x247F32B1B900
• Base-36: E82VTPZI8

Squares and roots of 40128729954560

• 40128729954560 squared (40128729954560²) is 1610314967766001019664793600
• 40128729954560 cubed (40128729954560³) is 64619894483267845962566106546559778816000
• The square root of 40128729954560 is 6334724.1419465141
• The cube root of 40128729954560 is 34236.1671682109

Scales and comparisons

• 40,128,729,954,560 seconds is equal to 1,275,969 years, 25 weeks, 1 day, 23 hours, 49 minutes, 20 seconds.
• To count from 1 to 40,128,729,954,560 would take you about three million, one hundred eighty-nine thousand, nine hundred twenty-three 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 40128729954560 cubic inches would be around 2853 feet tall.

Recreational maths with 40128729954560

• 40128729954560 backwards is 06545992782104
• The number of decimal digits it has is: 14
• The sum of 40128729954560's digits is 62
• More coming soon!