18008735040

Names of 18008735040

• Cardinal: 18008735040 can be written as Eighteen billion, eight million, seven hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 1.800873504 × 10¹⁰

Factors of 18008735040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 442

Divisors of 18008735040

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 23 24 30 32 36 38 40 41 45 46 48 57 60 64 69 72 76 80 82 90 92 95 96 114 115 120 123 138 144 152 160 164 171 180 184 190 192 205 207 228 230 240 246 276 285 288 304 320 328 342 345 349 360 368 369 380 410 414 437 456 460 480 492 552 570 576 608 615 656 684 690 698 720 736 738 760 779 820 828 855 874 912 920 943 960 984 1035 1047 1104 1140 1216 1230 1311 1312 1368 1380 1396 1440 1472 1476 1520 1558 1640 1656 1710 1745 1748 1824 1840 1845 1886 1968 2070 2094 2185 2208 2280 2337 2460 2622 2624 2736 2760 2792 2829 2880 2952 3040 3116 3141 3280 3312 3420 3490 3496 3648 3680 3690 3772 3895 3933 3936 4140 4188 4370 4416 4560 4674 4715 4920 5235 5244 5472 5520 5584 5658 5904 6080 6232 6282 6555 6560 6624 6631 6840 6980 6992 7011 7360 7380 7544 7790 7866 7872 8027 8280 8376 8487 8740 9120 9348 9430 9840 10470 10488 10944 11040 11168 11316 11685 11808 12464 12564 13110 13120 13248 13262 13680 13960 13984 14022 14145 14309 14760 15088 15580 15705 15732 16054 16560 16752 16974 17480 17917 18240 18696 18860 19665 19680 19893 20940 20976 22080 22336 22632 23370 23616 24081 24928 25128 26220 26524 27360 27920 27968 28044 28290 28618 29520 30176 31160 31410 31464 32108 33120 33155 33504 33948 34960 35055 35834 37392 37720 39330 39360 39786 40135 41880 41952 42435 42927 45264 46740 48162 49856 50256 52440 53048 53751 54720 55840 56088 56580 57236 59040 59679 60352 62320 62820 62928 64216 66240 66310 67008 67896 69920 70110 71545 71668 72243 74784 75440 78660 79572 80270 83760 83904 84870 85854 89585 90528 93480 96324 99465 100512 104880 106096 107502 111680 112176 113160 114472 118080 119358 120405 124640 125640 125856 128432 128781 132620 135792 139840 140220 143090 143336 144486 149568 150880 152513 157320 159144 160540 161253 167520 169740 171708 179170 181056 186960 192648 198930 201024 209760 212192 214635 215004 224352 226320 228944 238716 240810 249280 251280 251712 256864 257562 265240 268755 271584 271871 280440 286180 286672 288972 298395 301760 305026 314640 318288 321080 322506 329107 335040 339480 343416 358340 361215 373920 385296 397860 419520 424384 429270 430008 448704 452640 457539 457888 477432 481620 502560 513728 515124 530480 537510 543168 543742 560880 572360 573344 577944 596790 610052 629280 636576 642160 643905 645012 658214 678960 686832 716680 722430 747840 762565 770592 795720 806265 815613 858540 860016 905280 915078 915776 954864 963240 987321 1005120 1030248 1060960 1075020 1087484 1121760 1144720 1146688 1155888 1193580 1220104 1258560 1273152 1284320 1287810 1290024 1316428 1357920 1359355 1372617 1373664 1433360 1444860 1525130 1541184 1591440 1612530 1631226 1645535 1717080 1720032 1830156 1909728 1926480 1974642 2060496 2121920 2150040 2174968 2243520 2287695 2289440 2311776 2387160 2440208 2446839 2568640 2575620 2580048 2632856 2715840 2718710 2745234 2747328 2866720 2889720 2961963 3050260 3182880 3225060 3262452 3291070 3434160 3440064 3660312 3819456 3852960 3949284 4078065 4120992 4300080 4349936 4575390 4578880 4623552 4774320 4880416 4893678 4936605 5151240 5160096 5265712 5437420 5490468 5733440 5779440 5923926 6100520 6253033 6365760 6450120 6524904 6582140 6863085 6868320 7320624 7705920 7898568 8156130 8241984 8600160 8699872 9150780 9548640 9760832 9787356 9873210 10302480 10320192 10531424 10874840 10980936 11558880 11847852 12201040 12234195 12506066 12900240 13049808 13164280 13726170 13736640 14641248 14809815 15797136 16312260 17200320 17399744 18301560 18759099 19097280 19574712 19746420 20604960 21062848 21749680 21961872 23117760 23695704 24402080 24468390 25012132 25800480 26099616 26328560 27452340 29282496 29619630 31265165 31594272 32624520 36603120 37518198 39149424 39492840 41209920 43499360 43923744 47391408 48804160 48936780 50024264 51600960 52199232 52657120 54904680 56277297 59239260 62530330 63188544 65249040 73206240 75036396 78298848 78985680 86998720 87847488 93795495 94782816 97873560 100048528 105314240 109809360 112554594 118478520 125060660 130498080 146412480 150072792 156597696 157971360 187590990 189565632 195747120 200097056 219618720 225109188 236957040 250121320 260996160 281386485 300145584 315942720 375181980 391494240 400194112 439237440 450218376 473914080 500242640 562772970 600291168 750363960 782988480 900436752 947828160 1000485280 1125545940 1200582336 1500727920 1800873504 2000970560 2251091880 3001455840 3601747008 4502183760 6002911680 9004367520 18008735040
• Sum of all divisors σ(n): 69896736000
• Sum of proper divisors (its aliquot sum) s(n): 51888000960
• 18008735040 is an abundant number, because the sum of its proper divisors (51888000960) is greater than itself. Its abundance is 33879265920

Bases of 18008735040

• Binary: 10000110001011001110111110101000000₂
• Hexadecimal: 0x431677D40
• Base-36: 89TXOW0

Squares and roots of 18008735040

• 18008735040 squared (18008735040²) is 324314537740923801600
• 18008735040 cubed (18008735040³) is 5840494579796376907843928064000
• The square root of 18008735040 is 134196.6282735897
• The cube root of 18008735040 is 2621.1652567803

Scales and comparisons

• 18,008,735,040 seconds is equal to 572 years, 32 weeks, 2 days, 10 hours, 24 minutes.
• To count from 1 to 18,008,735,040 would take you about one thousand, one hundred forty-five 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 18008735040 cubic inches would be around 218.4 feet tall.

Recreational maths with 18008735040

• 18008735040 backwards is 04053780081
• 18008735040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18008735040's digits is 36
• More coming soon!