7987993648496640

Names of 7987993648496640

• Cardinal: 7987993648496640 can be written as Seven quadrillion, nine hundred eighty-seven trillion, nine hundred ninety-three billion, six hundred forty-eight million, four hundred ninety-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.98799364849664 × 10¹⁵

Factors of 7987993648496640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 13749458

Divisors of 7987993648496640

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 197 240 256 288 320 360 384 394 480 512 576 591 640 720 768 788 960 985 1024 1152 1182 1280 1440 1536 1576 1773 1920 1970 2048 2304 2364 2560 2880 2955 3072 3152 3546 3840 3940 4096 4608 4728 5120 5760 5910 6144 6304 7092 7680 7880 8192 8865 9216 9456 10240 11520 11820 12288 12608 14184 15360 15760 16384 17730 18432 18912 20480 23040 23640 24576 25216 28368 30720 31520 32768 35460 36864 37824 40960 46080 47280 49152 50432 56736 61440 63040 65536 70920 73728 75648 81920 92160 94560 98304 100864 113472 122880 126080 141840 147456 151296 163840 184320 189120 196608 201728 226944 245760 252160 283680 294912 302592 327680 368640 378240 403456 453888 491520 504320 567360 589824 605184 737280 756480 806912 907776 983040 1008640 1134720 1210368 1474560 1512960 1613824 1815552 2017280 2269440 2420736 2949120 3025920 3227648 3631104 4034560 4538880 4841472 6051840 6455296 7262208 8069120 9077760 9682944 12103680 12910592 13749251 14524416 16138240 18155520 19365888 24207360 27498502 29048832 32276480 36311040 38731776 41247753 48414720 54997004 58097664 64552960 68746255 72622080 82495506 96829440 109994008 116195328 123743259 137492510 145244160 164991012 193658880 206238765 219988016 247486518 274985020 290488320 329982024 412477530 439976032 494973036 549970040 580976640 618716295 659964048 824955060 879952064 989946072 1099940080 1237432590 1319928096 1649910120 1759904128 1979892144 2199880160 2474865180 2639856192 2708602447 3299820240 3519808256 3959784288 4399760320 4949730360 5279712384 5417204894 6599640480 7039616512 7919568576 8125807341 8799520640 9899460720 10559424768 10834409788 13199280960 13543012235 14079233024 15839137152 16251614682 17599041280 19798921440 21118849536 21668819576 24377422023 26398561920 27086024470 28158466048 31678274304 32503229364 35198082560 39597842880 40629036705 42237699072 43337639152 48754844046 52797123840 54172048940 56316932096 63356548608 65006458728 70396165120 79195685760 81258073410 84475398144 86675278304 97509688092 105594247680 108344097880 112633864192 121887110115 126713097216 130012917456 140792330240 158391371520 162516146820 168950796288 173350556608 195019376184 211188495360 216688195760 225267728384 243774220230 253426194432 260025834912 281584660480 316782743040 325032293640 337901592576 346701113216 390038752368 422376990720 433376391520 450535456768 487548440460 506852388864 520051669824 563169320960 633565486080 650064587280 675803185152 693402226432 780077504736 844753981440 866752783040 901070913536 975096880920 1013704777728 1040103339648 1126338641920 1267130972160 1300129174560 1351606370304 1386804452864 1560155009472 1689507962880 1733505566080 1950193761840 2027409555456 2080206679296 2252677283840 2534261944320 2600258349120 2703212740608 2773608905728 3120310018944 3379015925760 3467011132160 3900387523680 4054819110912 4160413358592 4505354567680 5068523888640 5200516698240 5547217811456 6240620037888 6758031851520 6934022264320 7800775047360 8109638221824 8320826717184 10137047777280 10401033396480 11094435622912 12481240075776 13516063703040 13868044528640 15601550094720 16641653434368 20274095554560 20802066792960 22188871245824 24962480151552 27736089057280 31203100189440 33283306868736 40548191109120 41604133585920 44377742491648 49924960303104 55472178114560 62406200378880 66566613737472 83208267171840 88755484983296 99849920606208 110944356229120 124812400757760 133133227474944 166416534343680 177510969966592 199699841212416 221888712458240 249624801515520 266266454949888 332833068687360 399399682424832 443777424916480 499249603031040 532532909899776 665666137374720 798799364849664 887554849832960 998499206062080 1331332274749440 1597598729699328 1996998412124160 2662664549498880 3993996824248320 7987993648496640
• Sum of all divisors σ(n): 27832068058128048
• Sum of proper divisors (its aliquot sum) s(n): 19844074409631408
• 7987993648496640 is an abundant number, because the sum of its proper divisors (19844074409631408) is greater than itself. Its abundance is 11856080761134768

Bases of 7987993648496640

• Binary: 11100011000010000100110110011111000110000000000000000₂
• Hexadecimal: 0x1C6109B3E30000
• Base-36: 26NI9MEFI80

Squares and roots of 7987993648496640

• 7987993648496640 squared (7987993648496640²) is 63808042528422662234932091289600
• 7987993648496640 cubed (7987993648496640³) is 509698238440043711633202859905037602278866944000
• The square root of 7987993648496640 is 89375576.3533675905
• The cube root of 7987993648496640 is 199899.8969760875

Scales and comparisons

• 7,987,993,648,496,640 seconds is equal to 253,993,489 years, 27 weeks, 5 days, 22 hours, 24 minutes.
• To count from 1 to 7,987,993,648,496,640 would take you about seven hundred sixty-one million, nine hundred eighty thousand, four 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 7987993648496640 cubic inches would be around 16658.3 feet tall.

Recreational maths with 7987993648496640

• 7987993648496640 backwards is 0466948463997897
• The number of decimal digits it has is: 16
• The sum of 7987993648496640's digits is 99
• More coming soon!