689821985664

Names of 689821985664

• Cardinal: 689821985664 can be written as Six hundred eighty-nine billion, eight hundred twenty-one million, nine hundred eighty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.89821985664 × 10¹¹

Factors of 689821985664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 929

Divisors of 689821985664

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 288 293 307 317 336 378 384 432 448 504 576 586 614 634 672 756 864 879 896 921 951 1008 1152 1172 1228 1268 1344 1512 1728 1758 1842 1902 2016 2051 2149 2219 2344 2456 2536 2637 2688 2763 2853 3024 3456 3516 3684 3804 4032 4102 4298 4438 4688 4912 5072 5274 5526 5706 6048 6153 6447 6657 7032 7368 7608 7911 8064 8204 8289 8559 8596 8876 9376 9824 10144 10548 11052 11412 12096 12306 12894 13314 14064 14736 15216 15822 16408 16578 17118 17192 17752 18459 18752 19341 19648 19971 20288 21096 22104 22824 24192 24612 25788 26628 28128 29472 30432 31644 32816 33156 34236 34384 35504 36918 37504 38682 39296 39942 40576 42192 44208 45648 49224 51576 53256 55377 56256 58023 58944 59913 60864 63288 65632 66312 68472 68768 71008 73836 77364 79884 84384 88416 89951 91296 92881 97319 98448 103152 106512 110754 112512 116046 117888 119826 121728 126576 131264 132624 136944 137536 142016 147672 154728 159768 168768 176832 179902 182592 185762 194638 196896 206304 213024 221508 232092 239652 253152 262528 265248 269853 273888 275072 278643 284032 291957 295344 309456 319536 337536 353664 359804 365184 371524 389276 393792 412608 426048 443016 464184 479304 506304 530496 539706 547776 557286 583914 590688 618912 629657 639072 650167 681233 719608 743048 778552 787584 809559 825216 835929 852096 875871 886032 928368 958608 1012608 1060992 1079412 1095552 1114572 1167828 1181376 1237824 1259314 1278144 1300334 1362466 1439216 1486096 1557104 1619118 1671858 1751742 1772064 1856736 1888971 1917216 1950501 2043699 2158824 2229144 2335656 2362752 2428677 2475648 2507787 2518628 2556288 2600668 2627613 2724932 2878432 2972192 3114208 3238236 3343716 3503484 3544128 3713472 3777942 3834432 3901002 4087398 4317648 4458288 4671312 4857354 5015574 5037256 5201336 5255226 5449864 5666913 5756864 5851503 5944384 6131097 6228416 6476472 6687432 7006968 7088256 7426944 7555884 7668864 7802004 8174796 8635296 8916576 9342624 9714708 10031148 10074512 10402672 10510452 10899728 11333826 11513728 11703006 11888768 12262194 12456832 12952944 13374864 14013936 15111768 15604008 16349592 17000739 17270592 17554509 17833152 18393291 18685248 19429416 20062296 20149024 20805344 21020904 21799456 22667652 23406012 24524388 25905888 26749728 28027872 28514467 30223536 31208016 32699184 34001478 34541184 35109018 35666304 36786582 37370496 38858832 40124592 40298048 41610688 42041808 43598912 45335304 46812024 49048776 51811776 53499456 56055744 57028934 60447072 62416032 65398368 68002956 70218036 73573164 77717664 80249184 80596096 83221376 84083616 85543401 87197824 90670608 93624048 98097552 103623552 106998912 112111488 114057868 120894144 124832064 130796736 136005912 140436072 147146328 155435328 160498368 168167232 171086802 181341216 187248096 196195104 199601269 228115736 241788288 249664128 256630203 261593472 272011824 280872144 294292656 310870656 320996736 336334464 342173604 362682432 374496192 392390208 399202538 456231472 513260406 544023648 561744288 588585312 598803807 684347208 725364864 748992384 769890609 784780416 798405076 912462944 1026520812 1088047296 1123488576 1177170624 1197607614 1368694416 1539781218 1596810152 1796411421 1824925888 2053041624 2176094592 2246977152 2354341248 2395215228 2737388832 3079562436 3193620304 3592822842 3649851776 4106083248 4790430456 5389234263 5474777664 6159124872 6387240608 7185645684 8212166496 9580860912 10778468526 10949555328 12318249744 12774481216 14371291368 16424332992 19161721824 21556937052 24636499488 25548962432 28742582736 32848665984 38323443648 43113874104 49272998976 57485165472 76646887296 86227748208 98545997952 114970330944 172455496416 229940661888 344910992832 689821985664
• Sum of all divisors σ(n): 2349715737600
• Sum of proper divisors (its aliquot sum) s(n): 1659893751936
• 689821985664 is an abundant number, because the sum of its proper divisors (1659893751936) is greater than itself. Its abundance is 970071766272

Bases of 689821985664

• Binary: 1010000010011100100110000010101110000000₂
• Hexadecimal: 0xA09C982B80
• Base-36: 8SWE76O0

Squares and roots of 689821985664

• 689821985664 squared (689821985664²) is 475854371905423821520896
• 689821985664 cubed (689821985664³) is 328254807714694995773031615188434944
• The square root of 689821985664 is 830555.2273413249
• The cube root of 689821985664 is 8835.7959374127

Scales and comparisons

• 689,821,985,664 seconds is equal to 21,934 years, 10 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 689,821,985,664 would take you about forty-three thousand, eight hundred sixty-eight 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 689821985664 cubic inches would be around 736.3 feet tall.

Recreational maths with 689821985664

• 689821985664 backwards is 466589128986
• 689821985664 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 689821985664's digits is 72
• More coming soon!