669640243520

Names of 669640243520

• Cardinal: 669640243520 can be written as Six hundred sixty-nine billion, six hundred forty million, two hundred forty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 6.6964024352 × 10¹¹

Factors of 669640243520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1468

Divisors of 669640243520

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 32 34 37 40 58 64 68 74 80 85 89 116 136 145 148 160 170 178 185 232 272 290 296 320 340 356 370 445 464 493 544 580 592 629 680 712 740 890 928 986 1073 1088 1160 1184 1258 1289 1360 1424 1480 1513 1780 1856 1972 2146 2320 2368 2465 2516 2578 2581 2720 2848 2960 3026 3145 3293 3560 3944 4292 4640 4930 5032 5156 5162 5365 5440 5696 5920 6052 6290 6445 6586 7120 7565 7888 8584 9280 9860 10064 10312 10324 10730 11840 12104 12580 12890 12905 13172 14240 15130 15776 16465 17168 18241 19720 20128 20624 20648 21460 21913 24208 25160 25780 25810 26344 28480 30260 31552 32930 34336 36482 37381 39440 40256 41248 41296 42920 43826 43877 47693 48416 50320 51560 51620 52688 55981 60520 65860 68672 72964 74762 78880 82496 82592 85840 87652 87754 91205 95386 95497 96832 100640 103120 103240 105376 109565 111962 114721 121040 131720 145928 149524 157760 165184 171680 175304 175508 182410 186905 190772 190994 201280 206240 206480 210752 219130 219385 223924 229442 238465 242080 263440 279905 291856 299048 343360 350608 351016 364820 373810 381544 381988 412480 412960 438260 438770 447848 458884 476930 477485 484160 526880 559810 573605 583712 598096 635477 701216 702032 729640 747620 763088 763976 810781 825920 876520 877540 895696 917768 953860 954970 1053760 1119620 1147210 1167424 1196192 1270954 1383097 1402432 1404064 1459280 1495240 1526176 1527952 1621562 1623449 1753040 1755080 1791392 1835536 1907720 1909940 1950257 2239240 2294420 2392384 2541908 2766194 2808128 2918560 2990480 3052352 3055904 3177385 3243124 3246898 3326909 3506080 3510160 3582784 3671072 3815440 3819880 3900514 4053905 4244677 4478480 4588840 5083816 5532388 5837120 5980960 6111808 6354770 6486248 6493796 6653818 6915485 7012160 7020320 7342144 7630880 7639760 7801028 8107810 8117245 8489354 8956960 9177680 9751285 10167632 11064776 11961920 12709540 12972496 12987592 13307636 13830970 14040640 15261760 15279520 15602056 16215620 16234490 16634545 16978708 17913920 18355360 19502570 20335264 21223385 22129552 23512649 25419080 25944992 25975184 26615272 27661940 30559040 31204112 32431240 32468980 33269090 33957416 36710720 39005140 40670528 42446770 44259104 47025298 50838160 51889984 51950368 53230544 55323880 56557453 62408224 64862480 64937960 66538180 67914832 72159509 78010280 84893540 88518208 94050596 101676320 103900736 106461088 110647760 113114906 117563245 123095633 124816448 129724960 129875920 133076360 135829664 144319018 156020560 169787080 188101192 203352640 212922176 221295520 226229812 235126490 246191266 259449920 259751840 266152720 271659328 282787265 288638036 312041120 339574160 360797545 376202384 442591040 452459624 470252980 492382532 519503680 532305440 565574530 577276072 615478165 624082240 679148320 721595090 752404768 904919248 940505960 984765064 1064610880 1131149060 1154552144 1230956330 1358296640 1443190180 1504809536 1809838496 1881011920 1969530128 2092625761 2262298120 2309104288 2461912660 2886380360 3619676992 3762023840 3939060256 4185251522 4524596240 4618208576 4923825320 5772760720 7524047680 7878120512 8370503044 9049192480 9847650640 10463128805 11545521440 16741006088 18098384960 19695301280 20926257610 23091042880 33482012176 39390602560 41852515220 66964024352 83705030440 133928048704 167410060880 334820121760 669640243520
• Sum of all divisors σ(n): 1815367464000
• Sum of proper divisors (its aliquot sum) s(n): 1145727220480
• 669640243520 is an abundant number, because the sum of its proper divisors (1145727220480) is greater than itself. Its abundance is 476086976960

Bases of 669640243520

• Binary: 1001101111101001101010110011100101000000₂
• Hexadecimal: 0x9BE9AB3940
• Base-36: 8JMMIERK

Squares and roots of 669640243520

• 669640243520 squared (669640243520²) is 448418055741524901990400
• 669640243520 cubed (669640243520³) is 300278776045519669544995588702208000
• The square root of 669640243520 is 818315.4914334691
• The cube root of 669640243520 is 8748.7736774763

Scales and comparisons

• 669,640,243,520 seconds is equal to 21,292 years, 25 weeks, 2 days, 18 hours, 45 minutes, 20 seconds.
• To count from 1 to 669,640,243,520 would take you about forty-two thousand, five hundred eighty-four 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 669640243520 cubic inches would be around 729.1 feet tall.

Recreational maths with 669640243520

• 669640243520 backwards is 025342046966
• The number of decimal digits it has is: 12
• The sum of 669640243520's digits is 47
• More coming soon!