689643231640

Names of 689643231640

• Cardinal: 689643231640 can be written as Six hundred eighty-nine billion, six hundred forty-three million, two hundred thirty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.8964323164 × 10¹¹

Factors of 689643231640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 114

Divisors of 689643231640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 17 20 22 34 40 44 55 68 79 85 88 110 121 136 158 170 187 220 242 289 316 340 374 395 440 484 578 605 632 680 748 790 869 935 968 1156 1210 1343 1445 1496 1580 1738 1870 2057 2312 2420 2686 2890 3160 3179 3476 3740 4114 4345 4840 5372 5780 6241 6358 6715 6952 7480 8228 8690 9559 10285 10744 11560 12482 12716 13430 14773 15895 16456 17380 19118 20570 22831 24964 25432 26860 29546 31205 31790 34760 34969 38236 41140 45662 47795 49928 53720 59092 62410 63580 68651 69938 73865 76472 82280 91324 95590 106097 114155 118184 124820 127160 137302 139876 147730 162503 174845 182648 191180 212194 228310 249640 251141 274604 279752 295460 325006 343255 349690 382360 424388 456620 493039 502282 530485 549208 590920 650012 686510 699380 755161 812515 848776 913240 986078 1004564 1060970 1167067 1255705 1300024 1373020 1398760 1510322 1625030 1803649 1972156 2009128 2121940 2334134 2465195 2511410 2746040 2762551 3020644 3250060 3607298 3775805 3944312 4243880 4668268 4930390 5022820 5423429 5525102 5835335 6041288 6500120 7214596 7551610 8381663 9018245 9336536 9860780 10045640 10846858 11050204 11670670 12837737 13812755 14429192 15103220 16763326 18036490 19721560 19840139 21693716 22100408 23341340 25675474 27117145 27625510 30206440 33526652 36072980 39680278 41908315 43387432 46682680 51350948 54234290 55251020 59657719 64188685 67053304 72145960 79360556 83816630 92198293 99200695 102701896 108468580 110502040 119315438 128377370 142488271 158721112 167633260 184396586 198401390 216937160 218241529 238630876 256754740 284976542 298288595 335266520 368793172 396802780 436483058 460991465 477261752 513509480 569953084 596577190 712441355 737586344 793605560 872966116 921982930 1014181223 1091207645 1139906168 1193154380 1424882710 1567370981 1745932232 1843965860 2028362446 2182415290 2386308760 2849765420 3134741962 3687931720 4056724892 4364830580 5070906115 5699530840 6269483924 7836854905 8113449784 8729661160 10141812230 12538967848 15673709810 17241080791 20283624460 31347419620 34482161582 40567248920 62694839240 68964323164 86205403955 137928646328 172410807910 344821615820 689643231640
• Sum of all divisors σ(n): 1835043134400
• Sum of proper divisors (its aliquot sum) s(n): 1145399902760
• 689643231640 is an abundant number, because the sum of its proper divisors (1145399902760) is greater than itself. Its abundance is 455756671120

Bases of 689643231640

• Binary: 1010000010010001111100001001100110011000₂
• Hexadecimal: 0xA091F09998
• Base-36: 8STFRV6G

Squares and roots of 689643231640

• 689643231640 squared (689643231640²) is 475607786946862697089600
• 689643231640 cubed (689643231640³) is 327999691183182999380238166634944000
• The square root of 689643231640 is 830447.6092084317
• The cube root of 689643231640 is 8835.0326629457

Scales and comparisons

• 689,643,231,640 seconds is equal to 21,928 years, 27 weeks, 20 hours, 20 minutes, 40 seconds.
• To count from 1 to 689,643,231,640 would take you about forty-three thousand, eight hundred fifty-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 689643231640 cubic inches would be around 736.3 feet tall.

Recreational maths with 689643231640

• 689643231640 backwards is 046132346986
• The number of decimal digits it has is: 12
• The sum of 689643231640's digits is 52
• More coming soon!