18090909760

Names of 18090909760

• Cardinal: 18090909760 can be written as Eighteen billion, ninety million, nine hundred nine thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.809090976 × 10¹⁰

Factors of 18090909760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2057

Divisors of 18090909760

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 53 55 56 64 70 77 80 88 98 106 110 112 140 154 160 176 196 212 220 224 245 265 280 308 320 352 371 385 392 424 440 448 490 530 539 560 583 616 704 742 770 784 848 880 980 1060 1078 1120 1166 1232 1484 1540 1568 1696 1760 1855 1960 1979 2120 2156 2240 2332 2464 2597 2695 2915 2968 3080 3136 3392 3520 3710 3920 3958 4081 4240 4312 4664 4928 5194 5390 5830 5936 6160 7420 7840 7916 8162 8480 8624 9328 9895 10388 10780 11660 11872 12320 12985 13853 14840 15680 15832 16324 16960 17248 18656 19790 20405 20776 21560 21769 23320 23744 24640 25970 27706 28567 29680 31664 32648 34496 37312 39580 40810 41552 43120 43538 46640 51940 55412 57134 59360 63328 65296 69265 79160 81620 83104 86240 87076 93280 96971 103880 104887 108845 110824 114268 118720 126656 130592 138530 142835 152383 158320 163240 166208 172480 174152 186560 193942 207760 209774 217690 221648 228536 261184 277060 285670 304766 316640 326480 348304 387884 415520 419548 435380 443296 457072 484855 524435 554120 571340 609532 633280 652960 696608 734209 761915 775768 831040 839096 870760 886592 914144 969710 1048870 1066681 1108240 1142680 1153757 1219064 1305920 1393216 1468418 1523830 1551536 1678192 1741520 1828288 1939420 2097740 2133362 2216480 2285360 2307514 2438128 2936836 3047660 3103072 3356384 3483040 3671045 3878840 4195480 4266724 4432960 4570720 4615028 4876256 5139463 5333405 5768785 5873672 6095320 6206144 6712768 6966080 7342090 7757680 8076299 8390960 8533448 9141440 9230056 9752512 10278926 10666810 11537570 11747344 12190640 14684180 15515360 16152598 16781920 17066896 18460112 20557852 21333620 23075140 23494688 24381280 25697315 29368360 31030720 32305196 33563840 34133792 36920224 40381495 41115704 42667240 46150280 46989376 48762560 51394630 56534093 58736720 64610392 68267584 73840448 80762990 82231408 85334480 92300560 102789260 113068186 117473440 129220784 161525980 164462816 170668960 184601120 205578520 226136372 234946880 258441568 282670465 323051960 328925632 341337920 369202240 411157040 452272744 516883136 565340930 646103920 822314080 904545488 1130681860 1292207840 1644628160 1809090976 2261363720 2584415680 3618181952 4522727440 9045454880 18090909760
• Sum of all divisors σ(n): 55727559360
• Sum of proper divisors (its aliquot sum) s(n): 37636649600
• 18090909760 is an abundant number, because the sum of its proper divisors (37636649600) is greater than itself. Its abundance is 19545739840

Bases of 18090909760

• Binary: 10000110110010011010110000001000000₂
• Hexadecimal: 0x4364D6040
• Base-36: 8B6UZB4

Squares and roots of 18090909760

• 18090909760 squared (18090909760²) is 327281015944463257600
• 18090909760 cubed (18090909760³) is 5920811325612405964877234176000
• The square root of 18090909760 is 134502.4526170435
• The cube root of 18090909760 is 2625.1460422451

Scales and comparisons

• 18,090,909,760 seconds is equal to 575 years, 12 weeks, 1 day, 12 hours, 42 minutes, 40 seconds.
• To count from 1 to 18,090,909,760 would take you about one thousand, one hundred fifty 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 18090909760 cubic inches would be around 218.8 feet tall.

Recreational maths with 18090909760

• 18090909760 backwards is 06790909081
• 18090909760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18090909760's digits is 49
• More coming soon!