18029639680

Names of 18029639680

• Cardinal: 18029639680 can be written as Eighteen billion, twenty-nine million, six hundred thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.802963968 × 10¹⁰

Factors of 18029639680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 325

Divisors of 18029639680

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 31 32 34 40 52 62 64 65 68 80 85 104 124 128 130 136 155 160 170 208 221 248 256 257 260 272 310 320 340 403 416 442 496 512 514 520 527 544 620 640 680 806 832 884 992 1024 1028 1040 1054 1088 1105 1240 1280 1285 1360 1612 1664 1768 1984 2015 2048 2056 2080 2108 2176 2210 2480 2560 2570 2635 2720 3224 3328 3341 3536 3968 4030 4112 4160 4216 4352 4369 4420 4960 5120 5140 5270 5440 6448 6656 6682 6851 7072 7936 7967 8060 8224 8320 8432 8704 8738 8840 9920 10240 10280 10540 10880 12896 13312 13364 13702 14144 15872 15934 16120 16448 16640 16705 16864 17408 17476 17680 19840 20560 21080 21760 21845 25792 26624 26728 27404 28288 31744 31868 32240 32896 33280 33410 33728 34255 34816 34952 35360 39680 39835 41120 42160 43520 43690 51584 53456 54808 56576 56797 63488 63736 64480 65792 66560 66820 67456 68510 69904 70720 79360 79670 82240 84320 87040 87380 103168 103571 106912 109616 113152 113594 127472 128960 131584 133120 133640 134912 135439 137020 139808 141440 158720 159340 164480 168640 174080 174760 206336 207142 213824 219232 226304 227188 254944 257920 263168 267280 269824 270878 274040 279616 282880 283985 317440 318680 328960 337280 349520 412672 414284 427648 438464 452608 454376 509888 515840 517855 526336 534560 539648 541756 548080 559232 565760 567970 637360 657920 674560 677195 699040 825344 828568 855296 876928 908752 1019776 1031680 1035710 1069120 1079296 1083512 1096160 1118464 1131520 1135940 1274720 1315840 1349120 1354390 1398080 1657136 1710592 1753856 1760707 1817504 2039552 2063360 2071420 2138240 2167024 2192320 2236928 2263040 2271880 2549440 2631680 2698240 2708780 2796160 3314272 3421184 3507712 3521414 3635008 4079104 4126720 4142840 4276480 4334048 4384640 4473856 4543760 5098880 5396480 5417560 5592320 6628544 6842368 7015424 7042828 7270016 8158208 8285680 8552960 8668096 8769280 8803535 8947712 9087520 10197760 10835120 11184640 13257088 14030848 14085656 14540032 16316416 16571360 17105920 17336192 17538560 17607070 18175040 20395520 21670240 22369280 26514176 28171312 29080064 33142720 34211840 34672384 35077120 35214140 36350080 40791040 43340480 44738560 53028352 56342624 58160128 66285440 69344768 70154240 70428280 72700160 81582080 86680960 106056704 112685248 116320256 132570880 138689536 140856560 145400320 173361920 212113408 225370496 265141760 277379072 281713120 290800640 346723840 450740992 530283520 563426240 581601280 693447680 901481984 1060567040 1126852480 1386895360 1802963968 2253704960 3605927936 4507409920 9014819840 18029639680
• Sum of all divisors σ(n): 51118179840
• Sum of proper divisors (its aliquot sum) s(n): 33088540160
• 18029639680 is an abundant number, because the sum of its proper divisors (33088540160) is greater than itself. Its abundance is 15058900480

Bases of 18029639680

• Binary: 10000110010101001100111100000000000₂
• Hexadecimal: 0x432A67800
• Base-36: 8A6DR0G

Squares and roots of 18029639680

• 18029639680 squared (18029639680²) is 325067906990630502400
• 18029639680 cubed (18029639680³) is 5860857234572821094289375232000
• The square root of 18029639680 is 134274.4937804645
• The cube root of 18029639680 is 2622.1790856747

Scales and comparisons

• 18,029,639,680 seconds is equal to 573 years, 14 weeks, 6 days, 9 hours, 14 minutes, 40 seconds.
• To count from 1 to 18,029,639,680 would take you about one thousand, one hundred forty-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 18029639680 cubic inches would be around 218.5 feet tall.

Recreational maths with 18029639680

• 18029639680 backwards is 08693692081
• 18029639680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18029639680's digits is 52
• More coming soon!