18036915840

Names of 18036915840

• Cardinal: 18036915840 can be written as Eighteen billion, thirty-six million, nine hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.803691584 × 10¹⁰

Factors of 18036915840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 567

Divisors of 18036915840

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 90 95 96 108 114 120 128 135 137 144 152 160 171 180 190 192 216 228 240 270 274 285 288 304 320 342 360 380 384 401 411 432 456 480 513 540 548 570 576 608 640 684 685 720 760 802 822 855 864 912 960 1026 1080 1096 1140 1152 1203 1216 1233 1368 1370 1440 1520 1604 1644 1710 1728 1824 1920 2005 2052 2055 2160 2192 2280 2406 2432 2466 2565 2603 2736 2740 2880 3040 3208 3288 3420 3456 3609 3648 3699 4010 4104 4110 4320 4384 4560 4812 4932 5130 5206 5472 5480 5760 6015 6080 6165 6416 6576 6840 7218 7296 7398 7619 7809 8020 8208 8220 8640 8768 9120 9624 9864 10260 10412 10827 10944 10960 12030 12160 12330 12832 13015 13152 13680 14436 14796 15238 15618 16040 16416 16440 17280 17536 18045 18240 18495 19248 19728 20520 20824 21654 21888 21920 22857 23427 24060 24660 25664 26030 26304 27360 28872 29592 30476 31236 32080 32832 32880 36090 36480 36990 38095 38496 39045 39456 41040 41648 43308 43840 45714 46854 48120 49320 51328 52060 52608 54135 54720 54937 57744 59184 60952 62472 64160 65664 65760 68571 70281 72180 73980 76190 76992 78090 78912 82080 83296 86616 87680 91428 93708 96240 98640 104120 108270 109440 109874 114285 115488 117135 118368 121904 124944 128320 131520 137142 140562 144360 147960 152380 153984 156180 157824 164160 164811 166592 173232 182856 187416 192480 197280 205713 208240 216540 219748 228570 230976 234270 236736 243808 249888 256640 263040 274284 274685 281124 288720 295920 304760 312360 328320 329622 333184 342855 346464 351405 365712 374832 384960 394560 411426 416480 433080 439496 457140 461952 468540 473472 487616 494433 499776 548568 549370 562248 577440 591840 609520 624720 659244 685710 692928 702810 731424 749664 769920 789120 822852 824055 832960 866160 878992 914280 937080 975232 988866 999552 1028565 1043803 1097136 1098740 1124496 1154880 1183680 1219040 1249440 1318488 1371420 1385856 1405620 1462848 1483299 1499328 1645704 1648110 1665920 1732320 1757984 1828560 1874160 1977732 2057130 2087606 2194272 2197480 2248992 2309760 2367360 2438080 2472165 2498880 2636976 2742840 2811240 2925696 2966598 2998656 3131409 3291408 3296220 3464640 3515968 3657120 3748320 3955464 4114260 4175212 4388544 4394960 4497984 4876160 4944330 4997760 5219015 5273952 5485680 5622480 5933196 6262818 6582816 6592440 6929280 7031936 7314240 7416495 7496640 7910928 8228520 8350424 8777088 8789920 8995968 9394227 9888660 10438030 10547904 10971360 11244960 11866392 12525636 13165632 13184880 14628480 14832990 14993280 15657045 15821856 16457040 16700848 17579840 18788454 19777320 20876060 21095808 21942720 22489920 23732784 25051272 26331264 26369760 28182681 29665980 31314090 31643712 32914080 33401696 35159680 37576908 39554640 41752120 43885440 44979840 46971135 47465568 50102544 52739520 56365362 59331960 62628180 63287424 65828160 66803392 75153816 79109280 83504240 93942270 94931136 100205088 105479040 112730724 118663920 125256360 131656320 133606784 140913405 150307632 158218560 167008480 187884540 189862272 200410176 225461448 237327840 250512720 281826810 300615264 316437120 334016960 375769080 400820352 450922896 474655680 501025440 563653620 601230528 668033920 751538160 901845792 949311360 1002050880 1127307240 1202461056 1503076320 1803691584 2004101760 2254614480 3006152640 3607383168 4509228960 6012305280 9018457920 18036915840
• Sum of all divisors σ(n): 67902624000
• Sum of proper divisors (its aliquot sum) s(n): 49865708160
• 18036915840 is an abundant number, because the sum of its proper divisors (49865708160) is greater than itself. Its abundance is 31828792320

Bases of 18036915840

• Binary: 10000110011000101010111111010000000₂
• Hexadecimal: 0x433157E80
• Base-36: 8AAPPC0

Squares and roots of 18036915840

• 18036915840 squared (18036915840²) is 325330333019242905600
• 18036915840 cubed (18036915840³) is 5867955836867257388824264704000
• The square root of 18036915840 is 134301.5853964503
• The cube root of 18036915840 is 2622.5317795145

Scales and comparisons

• 18,036,915,840 seconds is equal to 573 years, 26 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 18,036,915,840 would take you about one thousand, one hundred forty-seven 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 18036915840 cubic inches would be around 218.5 feet tall.

Recreational maths with 18036915840

• 18036915840 backwards is 04851963081
• 18036915840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18036915840's digits is 45
• More coming soon!