18165104640

Names of 18165104640

• Cardinal: 18165104640 can be written as Eighteen billion, one hundred sixty-five million, one hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.816510464 × 10¹⁰

Factors of 18165104640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 234

Divisors of 18165104640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 97 120 127 128 144 160 180 192 194 240 254 256 288 291 320 360 381 384 388 480 485 508 512 576 582 635 640 720 762 768 776 873 960 970 1016 1024 1143 1152 1164 1270 1280 1440 1455 1524 1536 1552 1746 1905 1920 1940 2032 2048 2286 2304 2328 2540 2560 2880 2910 3048 3072 3104 3492 3810 3840 3880 4064 4096 4365 4572 4608 4656 5080 5120 5715 5760 5820 6096 6144 6208 6984 7620 7680 7760 8128 8192 8730 9144 9216 9312 10160 10240 11430 11520 11640 12192 12288 12319 12416 13968 15240 15360 15520 16256 16384 17460 18288 18432 18624 20320 20480 22860 23040 23280 24384 24576 24638 24832 27936 30480 30720 31040 32512 32768 34920 36576 36864 36957 37248 40640 40960 45720 46080 46560 48768 49152 49276 49664 55872 60960 61440 61595 62080 65024 69840 73152 73728 73914 74496 81280 81920 91440 92160 93120 97536 98304 98552 99328 110871 111744 121920 122880 123190 124160 130048 139680 146304 147456 147828 148992 162560 163840 182880 184320 184785 186240 195072 197104 198656 221742 223488 243840 245760 246380 248320 260096 279360 292608 294912 295656 297984 325120 365760 368640 369570 372480 390144 394208 397312 443484 446976 487680 491520 492760 496640 520192 554355 558720 585216 591312 595968 650240 731520 737280 739140 744960 780288 788416 794624 886968 893952 975360 985520 993280 1040384 1108710 1117440 1170432 1182624 1191936 1300480 1463040 1474560 1478280 1489920 1560576 1576832 1589248 1773936 1787904 1950720 1971040 1986560 2080768 2217420 2234880 2340864 2365248 2383872 2600960 2926080 2956560 2979840 3121152 3153664 3178496 3547872 3575808 3901440 3942080 3973120 4161536 4434840 4469760 4681728 4730496 4767744 5201920 5852160 5913120 5959680 6242304 6307328 7095744 7151616 7802880 7884160 7946240 8869680 8939520 9363456 9460992 9535488 10403840 11704320 11826240 11919360 12484608 12614656 14191488 14303232 15605760 15768320 15892480 17739360 17879040 18726912 18921984 20807680 23408640 23652480 23838720 25229312 28382976 28606464 31211520 31536640 35478720 35758080 37453824 37843968 46817280 47304960 47677440 50458624 56765952 62423040 63073280 70957440 71516160 75687936 93634560 94609920 100917248 113531904 126146560 141914880 143032320 151375872 187269120 189219840 201834496 227063808 252293120 283829760 302751744 378439680 403668992 454127616 504586240 567659520 605503488 756879360 908255232 1009172480 1135319040 1211006976 1513758720 1816510464 2018344960 2270638080 3027517440 3633020928 4541276160 6055034880 9082552320 18165104640
• Sum of all divisors σ(n): 64121541120
• Sum of proper divisors (its aliquot sum) s(n): 45956436480
• 18165104640 is an abundant number, because the sum of its proper divisors (45956436480) is greater than itself. Its abundance is 27791331840

Bases of 18165104640

• Binary: 10000111010101110011000000000000000₂
• Hexadecimal: 0x43AB98000
• Base-36: 8CF18G0

Squares and roots of 18165104640

• 18165104640 squared (18165104640²) is 329971026582149529600
• 18165104640 cubed (18165104640³) is 5993958226032967761310777344000
• The square root of 18165104640 is 134777.9827716679
• The cube root of 18165104640 is 2628.7299182499

Scales and comparisons

• 18,165,104,640 seconds is equal to 577 years, 30 weeks, 6 days, 6 hours, 24 minutes.
• To count from 1 to 18,165,104,640 would take you about one thousand, one hundred fifty-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 18165104640 cubic inches would be around 219.1 feet tall.

Recreational maths with 18165104640

• 18165104640 backwards is 04640156181
• 18165104640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18165104640's digits is 36
• More coming soon!