18345998970

Names of 18345998970

• Cardinal: 18345998970 can be written as Eighteen billion, three hundred forty-five million, nine hundred ninety-eight thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.834599897 × 10¹⁰

Factors of 18345998970

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 431

Divisors of 18345998970

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 30 34 37 39 45 51 65 74 78 85 90 97 102 111 117 130 153 170 185 194 195 221 222 234 255 257 291 306 333 370 390 442 481 485 510 514 555 582 585 629 663 666 765 771 873 962 970 1105 1110 1170 1258 1261 1285 1326 1443 1455 1530 1542 1649 1665 1746 1887 1989 2210 2313 2405 2522 2570 2886 2910 3145 3298 3315 3330 3341 3589 3774 3783 3855 3978 4329 4365 4369 4626 4810 4947 5661 6290 6305 6630 6682 7178 7215 7566 7710 8177 8245 8658 8730 8738 9435 9509 9894 9945 10023 10767 11322 11349 11565 12610 13107 14430 14841 16354 16490 16705 17945 18870 18915 19018 19890 20046 21437 21534 21645 21845 22698 23130 24531 24735 24929 26214 28305 28527 29682 30069 32301 33410 35890 37830 39321 40885 42874 43290 43690 46657 47545 49062 49470 49858 50115 53835 56610 56745 56797 57054 60138 61013 64311 64602 65535 73593 74205 74787 78642 81770 85581 93314 95090 100230 107185 107670 113490 113594 122026 122655 123617 124645 128622 131070 139971 142635 147186 148410 149574 150345 161505 161653 170391 171162 183039 192933 196605 214370 224361 233285 245310 247234 249290 279942 283985 285270 300690 305065 321555 323010 323306 324077 340782 366078 367965 370851 373935 385866 393210 419913 423793 427905 448722 466570 484959 511173 549117 567970 610130 618085 643110 648154 699855 735930 741702 747870 793169 808265 839826 847586 851955 855810 915195 922373 964665 969918 972231 1022346 1098234 1112553 1121805 1236170 1271379 1399710 1454877 1586338 1616530 1620385 1703910 1830390 1844746 1854255 1929330 1944462 2099565 2101489 2118965 2225106 2243610 2379507 2424795 2542758 2555865 2745585 2767119 2909754 2916693 3240770 3708510 3814137 3965845 4199130 4202978 4237930 4611865 4759014 4849590 4861155 5111730 5491170 5509309 5534238 5562765 5833386 6304467 6356895 7138521 7274385 7628274 7931690 8301357 9223730 9722310 10507445 11018618 11125530 11897535 11990849 12608934 12713790 13835595 14277042 14548770 14583465 15680341 16527927 16602714 18913401 19070685 21014890 23795070 23981698 27546545 27671190 29166930 31360682 31522335 33055854 35692605 35972547 37826802 38141370 41506785 47041023 49583781 55093090 59954245 63044670 71385210 71945094 78401705 82639635 83013570 94082046 94567005 99167562 107917641 119908490 141123069 156803410 165279270 179862735 189134010 203844433 215835282 235205115 247918905 282246138 359725470 407688866 470410230 495837810 539588205 611533299 705615345 1019222165 1079176410 1223066598 1411230690 1834599897 2038444330 3057666495 3669199794 6115332990 9172999485 18345998970
• Sum of all divisors σ(n): 56655982656
• Sum of proper divisors (its aliquot sum) s(n): 38309983686
• 18345998970 is an abundant number, because the sum of its proper divisors (38309983686) is greater than itself. Its abundance is 19963984716

Bases of 18345998970

• Binary: 10001000101100000011011101001111010₂
• Hexadecimal: 0x44581BA7A
• Base-36: 8FEQFEI

Squares and roots of 18345998970

• 18345998970 squared (18345998970²) is 336575678207241060900
• 18345998970 cubed (18345998970³) is 6174817045717095949813107273000
• The square root of 18345998970 is 135447.4029651363
• The cube root of 18345998970 is 2637.4270429569

Scales and comparisons

• 18,345,998,970 seconds is equal to 583 years, 17 weeks, 6 days, 22 hours, 49 minutes, 30 seconds.
• To count from 1 to 18,345,998,970 would take you about one thousand, one hundred sixty-six 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 18345998970 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345998970

• 18345998970 backwards is 07989954381
• The number of decimal digits it has is: 11
• The sum of 18345998970's digits is 63
• More coming soon!