664386220138400

Names of 664386220138400

• Cardinal: 664386220138400 can be written as Six hundred sixty-four trillion, three hundred eighty-six billion, two hundred twenty million, one hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 6.643862201384 × 10¹⁴

Factors of 664386220138400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 47459

Divisors of 664386220138400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 43 50 80 86 100 160 172 200 215 229 344 400 430 458 688 800 860 916 1075 1145 1376 1720 1832 1861 2150 2290 3440 3664 3722 4300 4580 5725 6880 7328 7444 8600 9160 9305 9847 11450 14888 17200 18320 18610 19694 22900 29776 34400 36640 37220 39388 45319 45800 46525 49235 59552 74440 78776 80023 90638 91600 93050 98470 148880 157552 160046 181276 183200 186100 196940 226595 246175 297760 315104 320092 362552 372200 393880 400115 426169 453190 492350 640184 725104 744400 787760 800230 852338 906380 984700 1132975 1280368 1450208 1488800 1575520 1600460 1704676 1812760 1948717 1969400 2000575 2130845 2265950 2560736 3200920 3409352 3625520 3897434 3938800 4001150 4261690 4531900 6401840 6818704 7251040 7794868 7877600 8002300 8523380 9063800 9743585 10378051 10654225 12803680 13637408 15589736 16004600 17046760 18127600 18325267 19487170 20756102 21308450 31179472 32009200 34093520 36255200 36650534 38974340 41512204 42616900 48717925 51890255 62358944 64018400 68187040 73301068 77948680 83024408 84338659 85233800 91626335 97435850 103780510 146602136 155897360 166048816 168677318 170467600 183252670 194871700 207561020 259451275 293204272 311794720 332097632 337354636 340935200 366505340 389743400 415122040 421693295 446256193 458131675 518902550 586408544 674709272 733010680 779486800 830244080 843386590 892512386 916263350 1037805100 1349418544 1466021360 1558973600 1660488160 1686773180 1785024772 1832526700 2075610200 2108466475 2231280965 2698837088 2932042720 3373546360 3570049544 3626562337 3665053400 4151220400 4216932950 4462561930 6747092720 7140099088 7253124674 7330106800 8302440800 8433865900 8925123860 11156404825 13494185440 14280198176 14506249348 14660213600 16867731800 17850247720 18132811685 19313552911 22312809650 29012498696 33735463600 35700495440 36265623370 38627105822 44625619300 58024997392 67470927200 71400990880 72531246740 77254211644 89251238600 90664058425 96567764555 116049994784 145062493480 154508423288 178502477200 181328116850 193135529110 290124986960 309016846576 357004954400 362656233700 386271058220 482838822775 580249973920 618033693152 725312467400 772542116440 830482775173 965677645550 1450624934800 1545084232880 1660965550346 1931355291100 2901249869600 3090168465760 3321931100692 3862710582200 4152413875865 6643862201384 7725421164400 8304827751730 13287724402768 15450842328800 16609655503460 20762069379325 26575448805536 33219311006920 41524138758650 66438622013840 83048277517300 132877244027680 166096555034600 332193110069200 664386220138400
• Sum of all divisors σ(n): 1667832120662400
• Sum of proper divisors (its aliquot sum) s(n): 1003445900524000
• 664386220138400 is an abundant number, because the sum of its proper divisors (1003445900524000) is greater than itself. Its abundance is 339059680385600

Bases of 664386220138400

• Binary: 10010111000100000101111000101001010001111110100000₂
• Hexadecimal: 0x25C4178A51FA0
• Base-36: 6JI6TDIYE8

Squares and roots of 664386220138400

• 664386220138400 squared (664386220138400²) is 441409049509790505715154560000
• 664386220138400 cubed (664386220138400³) is 293266089938693579536134940825140591104000000
• The square root of 664386220138400 is 25775690.4881013809
• The cube root of 664386220138400 is 87258.3250054127

Scales and comparisons

• 664,386,220,138,400 seconds is equal to 21,125,426 years, 37 weeks, 2 days, 16 hours, 13 minutes, 20 seconds.
• To count from 1 to 664,386,220,138,400 would take you about fifty-two million, eight hundred thirteen thousand, five hundred sixty-six 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 664386220138400 cubic inches would be around 7271.5 feet tall.

Recreational maths with 664386220138400

• 664386220138400 backwards is 004831022683466
• The number of decimal digits it has is: 15
• The sum of 664386220138400's digits is 53
• More coming soon!