18345642480

Names of 18345642480

• Cardinal: 18345642480 can be written as Eighteen billion, three hundred forty-five million, six hundred forty-two thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.834564248 × 10¹⁰

Factors of 18345642480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4167

Divisors of 18345642480

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 27 30 33 34 36 40 44 45 48 51 54 55 60 66 68 72 80 85 88 90 99 102 108 110 120 121 132 135 136 144 153 165 170 176 180 187 198 204 216 220 240 242 255 264 270 272 297 306 330 340 360 363 374 396 408 432 440 459 484 495 510 528 540 561 594 605 612 660 680 720 726 748 765 792 816 880 918 935 968 990 1020 1080 1089 1122 1188 1210 1224 1320 1360 1452 1485 1496 1530 1584 1683 1815 1836 1870 1936 1980 2040 2057 2160 2178 2244 2295 2376 2420 2448 2640 2805 2904 2970 2992 3060 3267 3366 3630 3672 3740 3960 4080 4114 4129 4356 4488 4590 4752 4840 5049 5445 5610 5808 5940 6120 6171 6534 6732 7260 7344 7480 7920 8228 8258 8415 8712 8976 9180 9680 10098 10285 10890 11220 11880 12240 12342 12387 13068 13464 14520 14960 16335 16456 16516 16830 17424 18360 18513 20196 20570 20645 21780 22440 23760 24684 24774 25245 26136 26928 29040 30855 32670 32912 33032 33660 36720 37026 37161 40392 41140 41290 43560 44880 45419 49368 49548 50490 52272 55539 61710 61935 65340 66064 67320 70193 74052 74322 80784 82280 82580 87120 90838 92565 98736 99096 100980 111078 111483 123420 123870 130680 134640 136257 140386 148104 148644 164560 165160 181676 185130 185805 198192 201960 210579 222156 222966 227095 246840 247740 261360 272514 277695 280772 296208 297288 330320 350965 363352 370260 371610 403920 408771 421158 444312 445932 454190 493680 495480 499609 545028 555390 557415 561544 594576 631737 681285 701930 726704 740520 743220 772123 817542 842316 888624 891864 908380 990960 999218 1052895 1090056 1110780 1114830 1123088 1226313 1263474 1362570 1403860 1481040 1486440 1498827 1544246 1635084 1684632 1783728 1816760 1895211 1998436 2043855 2105790 2180112 2221560 2229660 2316369 2452626 2498045 2526948 2725140 2807720 2972880 2997654 3088492 3158685 3270168 3369264 3633520 3790422 3860615 3996872 4087710 4211580 4443120 4459320 4496481 4632738 4905252 4996090 5053896 5450280 5615440 5995308 6131565 6176984 6317370 6540336 6949107 7494135 7580844 7721230 7993744 8175420 8423160 8493353 8918640 8992962 9265476 9476055 9810504 9992180 10107792 10900560 11581845 11990616 12263130 12353968 12634740 13489443 13898214 14988270 15161688 15442460 16350840 16846320 16986706 17985924 18530952 18952110 19621008 19984360 20847321 22482405 23163690 23981232 24526260 25269480 25480059 26978886 27796428 29976540 30323376 30884920 32701680 33973412 34745535 35971848 37061904 37904220 39968720 41694642 42466765 44964810 46327380 49052520 50538960 50960118 53957772 55592856 59953080 61769840 67447215 67946824 69491070 71943696 75808440 76440177 83389284 84933530 89929620 92654760 98105040 101920236 104236605 107915544 111185712 119906160 127400295 134894430 135893648 138982140 151616880 152880354 166778568 169867060 179859240 185309520 203840472 208473210 215831088 229320531 254800590 269788860 277964280 305760708 333557136 339734120 359718480 382200885 407680944 416946420 458641062 509601180 539577720 555928560 611521416 679468240 764401770 833892840 917282124 1019202360 1079155440 1146602655 1223042832 1528803540 1667785680 1834564248 2038404720 2293205310 3057607080 3669128496 4586410620 6115214160 9172821240 18345642480
• Sum of all divisors σ(n): 73560916800
• Sum of proper divisors (its aliquot sum) s(n): 55215274320
• 18345642480 is an abundant number, because the sum of its proper divisors (55215274320) is greater than itself. Its abundance is 36869631840

Bases of 18345642480

• Binary: 10001000101011111000100100111110000₂
• Hexadecimal: 0x4457C49F0
• Base-36: 8FEISC0

Squares and roots of 18345642480

• 18345642480 squared (18345642480²) is 336562598003980550400
• 18345642480 cubed (18345642480³) is 6174457095120988794512020992000
• The square root of 18345642480 is 135446.0869866679
• The cube root of 18345642480 is 2637.4099598051

Scales and comparisons

• 18,345,642,480 seconds is equal to 583 years, 17 weeks, 2 days, 19 hours, 48 minutes.
• To count from 1 to 18,345,642,480 would take you about one thousand, one hundred sixty-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 18345642480 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345642480

• 18345642480 backwards is 08424654381
• 18345642480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18345642480's digits is 45
• More coming soon!