18135982080

Names of 18135982080

• Cardinal: 18135982080 can be written as Eighteen billion, one hundred thirty-five million, nine hundred eighty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.813598208 × 10¹⁰

Factors of 18135982080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 64

Divisors of 18135982080

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 31 32 36 40 45 46 48 54 60 62 64 69 72 80 90 92 93 96 108 115 120 124 128 135 138 144 155 160 180 184 186 192 207 216 230 240 248 256 270 276 279 288 310 320 345 360 368 372 384 414 432 460 465 480 496 512 529 540 552 558 576 620 621 640 690 713 720 736 744 768 828 837 864 920 930 960 992 1024 1035 1058 1080 1104 1116 1152 1240 1242 1280 1380 1395 1426 1440 1472 1488 1536 1587 1656 1674 1728 1840 1860 1920 1984 2048 2070 2116 2139 2160 2208 2232 2304 2480 2484 2560 2645 2760 2790 2852 2880 2944 2976 3072 3105 3174 3312 3348 3456 3565 3680 3720 3840 3968 4096 4140 4185 4232 4278 4320 4416 4464 4608 4761 4960 4968 5120 5290 5520 5580 5704 5760 5888 5952 6144 6210 6348 6417 6624 6696 6912 7130 7360 7440 7680 7935 7936 8192 8280 8370 8464 8556 8640 8832 8928 9216 9522 9920 9936 10240 10580 10695 11040 11160 11408 11520 11776 11904 12288 12420 12696 12834 13248 13392 13824 14260 14283 14720 14880 15360 15870 15872 16399 16560 16740 16928 17112 17280 17664 17856 18432 19044 19251 19840 19872 20480 21160 21390 22080 22320 22816 23040 23552 23805 23808 24576 24840 25392 25668 26496 26784 27648 28520 28566 29440 29760 30720 31740 31744 32085 32798 33120 33480 33856 34224 34560 35328 35712 36864 38088 38502 39680 39744 40960 42320 42780 44160 44640 45632 46080 47104 47610 47616 49197 49680 50784 51336 52992 53568 55296 57040 57132 58880 59520 61440 63480 63488 64170 65596 66240 66960 67712 68448 69120 70656 71415 71424 73728 76176 77004 79360 79488 81995 84640 85560 88320 89280 91264 92160 94208 95220 95232 96255 98394 99360 101568 102672 105984 107136 110592 114080 114264 117760 119040 122880 126960 126976 128340 131192 132480 133920 135424 136896 138240 141312 142830 142848 147591 152352 154008 158720 158976 163990 169280 171120 176640 178560 182528 184320 188416 190440 190464 192510 196788 198720 203136 205344 211968 214272 221184 228160 228528 235520 238080 245985 253920 253952 256680 262384 264960 267840 270848 273792 276480 282624 285660 285696 295182 304704 308016 317440 317952 327980 338560 342240 353280 357120 365056 368640 380880 380928 385020 393576 397440 406272 410688 423936 428544 442773 456320 457056 471040 476160 491970 507840 513360 524768 529920 535680 541696 547584 552960 565248 571320 571392 590364 609408 616032 634880 635904 655960 677120 684480 706560 714240 730112 737955 761760 761856 770040 787152 794880 812544 821376 847872 857088 885546 912640 914112 942080 952320 983940 1015680 1026720 1049536 1059840 1071360 1083392 1095168 1105920 1142640 1142784 1180728 1218816 1232064 1269760 1271808 1311920 1354240 1368960 1413120 1428480 1460224 1475910 1523520 1540080 1574304 1589760 1625088 1642752 1695744 1714176 1771092 1825280 1828224 1904640 1967880 2031360 2053440 2099072 2119680 2142720 2166784 2190336 2213865 2285280 2285568 2361456 2437632 2464128 2543616 2623840 2708480 2737920 2826240 2856960 2920448 2951820 3047040 3080160 3148608 3179520 3250176 3285504 3428352 3542184 3650560 3656448 3809280 3935760 4062720 4106880 4198144 4239360 4285440 4333568 4380672 4427730 4570560 4722912 4875264 4928256 5087232 5247680 5416960 5475840 5713920 5840896 5903640 6094080 6160320 6297216 6359040 6500352 6571008 6856704 7084368 7301120 7312896 7871520 8125440 8213760 8396288 8478720 8570880 8761344 8855460 9141120 9445824 9750528 9856512 10495360 10833920 10951680 11427840 11807280 12188160 12320640 12594432 12718080 13000704 13142016 14168736 14602240 14625792 15743040 16250880 16427520 16792576 17141760 17522688 17710920 18282240 18891648 19501056 19713024 20990720 21667840 21903360 23614560 24376320 24641280 25188864 25436160 26284032 28337472 29204480 29251584 31486080 32501760 32855040 33585152 34283520 35421840 36564480 37783296 39002112 39426048 41981440 43806720 47229120 48752640 49282560 50377728 52568064 56674944 58503168 62972160 65003520 65710080 67170304 70843680 73128960 75566592 78852096 83962880 87613440 94458240 97505280 98565120 100755456 113349888 117006336 125944320 131420160 134340608 141687360 146257920 151133184 157704192 167925760 188916480 195010560 197130240 201510912 226699776 251888640 262840320 283374720 292515840 302266368 335851520 377832960 394260480 403021824 453399552 503777280 566749440 585031680 604532736 671703040 755665920 788520960 906799104 1007554560 1133498880 1209065472 1511331840 1813598208 2015109120 2266997760 3022663680 3627196416 4533995520 6045327360 9067991040 18135982080
• Sum of all divisors σ(n): 69579256320
• Sum of proper divisors (its aliquot sum) s(n): 51443274240
• 18135982080 is an abundant number, because the sum of its proper divisors (51443274240) is greater than itself. Its abundance is 33307292160

Bases of 18135982080

• Binary: 10000111000111111010010000000000000₂
• Hexadecimal: 0x438FD2000
• Base-36: 8BXP1C0

Squares and roots of 18135982080

• 18135982080 squared (18135982080²) is 328913846006081126400
• 18135982080 cubed (18135982080³) is 5965175617030166879416614912000
• The square root of 18135982080 is 134669.9004232201
• The cube root of 18135982080 is 2627.3243608307

Scales and comparisons

• 18,135,982,080 seconds is equal to 576 years, 34 weeks, 5 days, 4 hours, 48 minutes.
• To count from 1 to 18,135,982,080 would take you about one thousand, one hundred fifty-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 18135982080 cubic inches would be around 218.9 feet tall.

Recreational maths with 18135982080

• 18135982080 backwards is 08028953181
• 18135982080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18135982080's digits is 45
• More coming soon!