16389456720

Names of 16389456720

• Cardinal: 16389456720 can be written as Sixteen billion, three hundred eighty-nine million, four hundred fifty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.638945672 × 10¹⁰

Factors of 16389456720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 401

Divisors of 16389456720

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 29 30 35 39 40 42 48 52 56 58 60 65 70 78 80 84 87 91 104 105 112 113 116 120 130 140 145 156 168 174 182 195 203 208 210 226 229 232 240 260 273 280 290 312 336 339 348 364 377 390 406 420 435 452 455 458 464 520 546 560 565 580 609 624 678 687 696 728 754 780 791 812 840 870 904 910 916 1015 1040 1092 1130 1131 1145 1160 1218 1356 1365 1374 1392 1456 1469 1508 1560 1582 1603 1624 1680 1695 1740 1808 1820 1832 1885 2030 2184 2260 2262 2290 2320 2373 2436 2639 2712 2730 2748 2938 2977 3016 3045 3120 3164 3206 3248 3277 3390 3435 3480 3640 3664 3770 3955 4060 4368 4407 4520 4524 4580 4746 4809 4872 5278 5424 5460 5496 5655 5876 5954 6032 6090 6328 6412 6554 6641 6780 6870 6960 7280 7345 7540 7910 7917 8015 8120 8814 8931 9040 9048 9160 9492 9618 9744 9831 10283 10556 10920 10992 11310 11752 11865 11908 12180 12656 12824 13108 13195 13282 13560 13740 14690 14885 15080 15820 15834 16030 16240 16385 17628 17862 18096 18320 18984 19236 19662 19923 20566 20839 21112 21840 22035 22620 22939 23504 23730 23816 24045 24360 25648 25877 26216 26390 26564 27120 27480 29380 29770 30160 30849 31640 31668 32060 32770 33205 35256 35724 37968 38472 39324 39585 39846 41132 41678 42224 42601 44070 44655 45240 45878 46487 47460 47632 48090 48720 49155 51415 51754 52432 52780 53128 54960 58760 59540 61698 62517 63280 63336 64120 65540 66410 68817 70512 71448 76944 77631 78648 79170 79692 82264 83356 85202 86333 88140 89310 90480 91756 92974 94920 96180 98310 99615 102830 103508 104195 105560 106256 114695 117520 119080 123396 125034 126672 127803 128240 129385 131080 132820 137634 139461 142896 154245 155262 157296 158340 159384 164528 166712 170404 172666 176280 178620 181139 183512 185948 189840 192360 196620 199230 205660 207016 208390 211120 213005 229390 232435 238160 246792 250068 255606 258770 258999 262160 265640 275268 278922 298207 308490 310524 312585 316680 318768 333424 336401 340808 344085 345332 352560 357240 362278 367024 371896 384720 388155 393240 398460 411320 414032 416780 426010 431665 458780 464870 493584 500136 511212 517540 517998 531280 543417 550536 557844 596414 604331 616980 621048 625170 633360 639015 672802 681616 688170 690664 697305 714480 724556 743792 750433 776310 786480 796920 822640 833560 852020 863330 894621 905695 917560 929740 1000272 1009203 1022424 1035080 1035996 1086834 1101072 1115688 1192828 1208662 1233960 1242096 1250340 1278030 1294995 1345604 1376340 1381328 1394610 1449112 1491035 1500866 1552620 1593840 1667120 1682005 1704040 1726660 1789242 1811390 1812993 1835120 1859480 2018406 2044848 2070160 2071992 2173668 2231376 2251299 2354807 2385656 2417324 2467920 2500680 2556060 2589990 2691208 2717085 2752680 2789220 2898224 2982070 3001732 3021655 3105240 3364010 3408080 3453320 3578484 3622780 3625986 3718960 3752165 4036812 4143984 4347336 4473105 4502598 4709614 4771312 4834648 5001360 5046015 5112120 5179980 5253031 5382416 5434170 5505360 5578440 5964140 6003464 6043310 6210480 6728020 6906640 7064421 7156968 7245560 7251972 7504330 8073624 8694672 8946210 9005196 9064965 9419228 9669296 9755629 10092030 10224240 10359960 10506062 10868340 11156880 11256495 11774035 11928280 12006928 12086620 13456040 14128842 14313936 14491120 14503944 15008660 15759093 16147248 17892420 18010392 18129930 18838456 19511258 20184060 20719920 21012124 21736680 22512990 23548070 23856560 24173240 26265155 26912080 28257684 29007888 29266887 30017320 31518186 35322105 35784840 36020784 36259860 37676912 39022516 40368120 42024248 43473360 45025980 47096140 48346480 48778145 52530310 56515368 58533774 60034640 63036372 68289403 70644210 71569680 72519720 78045032 78795465 80736240 84048496 90051960 94192280 97556290 105060620 113030736 117067548 126072744 136578806 141288420 145039440 146334435 156090064 157590930 180103920 188384560 195112580 204868209 210121240 234135096 252145488 273157612 282576840 292668870 315181860 341447015 390225160 409736418 420242480 468270192 546315224 565153680 585337740 630363720 682894030 780450320 819472836 1024341045 1092630448 1170675480 1260727440 1365788060 1638945672 2048682090 2341350960 2731576120 3277891344 4097364180 5463152240 8194728360 16389456720
• Sum of all divisors σ(n): 65545804800
• Sum of proper divisors (its aliquot sum) s(n): 49156348080
• 16389456720 is an abundant number, because the sum of its proper divisors (49156348080) is greater than itself. Its abundance is 32766891360

Bases of 16389456720

• Binary: 1111010000111000110100001101010000₂
• Hexadecimal: 0x3D0E34350
• Base-36: 7J1UXQO

Squares and roots of 16389456720

• 16389456720 squared (16389456720²) is 268614291576753158400
• 16389456720 cubed (16389456720³) is 4402442306170656447720104448000
• The square root of 16389456720 is 128021.3135380199
• The cube root of 16389456720 is 2540.1236180975

Scales and comparisons

• 16,389,456,720 seconds is equal to 521 years, 6 weeks, 6 days, 18 hours, 52 minutes.
• To count from 1 to 16,389,456,720 would take you about one thousand and forty-two 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 16389456720 cubic inches would be around 211.7 feet tall.

Recreational maths with 16389456720

• 16389456720 backwards is 02765498361
• The number of decimal digits it has is: 11
• The sum of 16389456720's digits is 51
• More coming soon!