18280720080

Names of 18280720080

• Cardinal: 18280720080 can be written as Eighteen billion, two hundred eighty million, seven hundred twenty thousand and eighty.

Scientific notation

• Scientific notation: 1.828072008 × 10¹⁰

Factors of 18280720080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1033

Divisors of 18280720080

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 79 80 84 90 98 105 112 120 126 140 144 147 158 168 180 196 210 237 240 245 252 280 294 315 316 336 343 360 392 395 420 441 474 490 504 553 560 588 630 632 686 711 720 735 784 790 840 882 937 948 980 1008 1029 1106 1176 1185 1260 1264 1372 1422 1470 1580 1659 1680 1715 1764 1874 1896 1960 2058 2205 2212 2352 2370 2520 2744 2765 2811 2844 2940 3087 3160 3318 3430 3528 3555 3748 3792 3871 3920 4116 4410 4424 4685 4740 4977 5040 5145 5488 5530 5622 5688 5880 6174 6320 6559 6636 6860 7056 7110 7496 7742 8232 8295 8433 8820 8848 9370 9480 9954 10290 11060 11244 11376 11613 11760 12348 13118 13272 13720 14055 14220 14992 15435 15484 16464 16590 16866 17640 18740 18960 19355 19677 19908 20580 22120 22488 23226 24696 24885 26236 26544 27097 27440 28110 28440 30870 30968 32795 33180 33732 34839 35280 37480 38710 39354 39816 41160 42165 44240 44976 45913 46452 49392 49770 52472 54194 56220 56880 58065 59031 61740 61936 65590 66360 67464 69678 74023 74960 77420 78708 79632 81291 82320 84330 91826 92904 98385 99540 104944 108388 112440 116130 118062 123480 131180 132720 134928 135485 137739 139356 148046 154840 157416 162582 168660 174195 183652 185808 196770 199080 216776 222069 224880 229565 232260 236124 243873 246960 262360 270970 275478 278712 295155 296092 309680 314832 321391 325164 337320 348390 367304 370115 393540 398160 406455 413217 433552 444138 459130 464520 472248 487746 518161 524720 541940 550956 557424 590310 592184 642782 650328 666207 674640 688695 696780 734608 740230 787080 812910 826434 888276 918260 929040 944496 964173 975492 1036322 1083880 1101912 1110345 1180620 1184368 1219365 1285564 1300656 1332414 1377390 1393560 1480460 1554483 1574160 1606955 1625820 1652868 1776552 1836520 1928346 1950984 2066085 2072644 2167760 2203824 2220690 2361240 2438730 2571128 2590805 2664828 2754780 2787120 2892519 2960920 3108966 3213910 3251640 3305736 3331035 3553104 3627127 3673040 3856692 3901968 4132170 4145288 4441380 4663449 4722480 4820865 4877460 5142256 5181610 5329656 5509560 5785038 5921840 6217932 6427820 6503280 6611472 6662070 7254254 7713384 7772415 8264340 8290576 8882760 9326898 9641730 9754920 10363220 10659312 10881381 11019120 11570076 12435864 12855640 13324140 14462595 14508508 15426768 15544830 16528680 17765520 18135635 18653796 19283460 19509840 20726440 21762762 23140152 23317245 24871728 25389889 25711280 26648280 28925190 29017016 31089660 32644143 33057360 36271270 37307592 38566920 41452880 43525524 46280304 46634490 50779778 53296560 54406905 57850380 58034032 62179320 65288286 72542540 74615184 76169667 77133840 87051048 93268980 101559556 108813810 115700760 124358640 126949445 130576572 145085080 152339334 163220715 174102096 186537960 203119112 217627620 228509001 231401520 253898890 261153144 290170160 304678668 326441430 373075920 380848335 406238224 435255240 457018002 507797780 522306288 609357336 652882860 761696670 870510480 914036004 1015595560 1142545005 1218714672 1305765720 1523393340 1828072008 2031191120 2285090010 2611531440 3046786680 3656144016 4570180020 6093573360 9140360040 18280720080
• Sum of all divisors σ(n): 72578688000
• Sum of proper divisors (its aliquot sum) s(n): 54297967920
• 18280720080 is an abundant number, because the sum of its proper divisors (54297967920) is greater than itself. Its abundance is 36017247840

Bases of 18280720080

• Binary: 10001000001100111011010011011010000₂
• Hexadecimal: 0x4419DA6D0
• Base-36: 8EBV9W0

Squares and roots of 18280720080

• 18280720080 squared (18280720080²) is 334184726643315206400
• 18280720080 cubed (18280720080³) is 6109137442777763291405824512000
• The square root of 18280720080 is 135206.2131708451
• The cube root of 18280720080 is 2634.2951535769

Scales and comparisons

• 18,280,720,080 seconds is equal to 581 years, 14 weeks, 9 hours, 48 minutes.
• To count from 1 to 18,280,720,080 would take you about one thousand, one hundred sixty-two 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 18280720080 cubic inches would be around 219.5 feet tall.

Recreational maths with 18280720080

• 18280720080 backwards is 08002708281
• 18280720080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18280720080's digits is 36
• More coming soon!