13121720194974400

Names of 13121720194974400

• Cardinal: 13121720194974400 can be written as Thirteen quadrillion, one hundred twenty-one trillion, seven hundred twenty billion, one hundred ninety-four million, nine hundred seventy-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.31217201949744 × 10¹⁶

Factors of 13121720194974400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10488

Divisors of 13121720194974400

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 269 311 320 400 538 622 800 1076 1244 1345 1555 1600 2152 2488 2690 3110 4304 4976 5380 6220 6725 7775 8608 9901 9952 10760 12440 13450 15550 17216 19802 19904 21520 24880 26900 31100 39604 43040 49505 49760 53800 62200 79208 83659 86080 99010 99520 107600 124400 158416 167318 198020 215200 247525 248800 316832 334636 396040 418295 430400 495050 497600 633664 669272 792080 836590 990100 1338544 1584160 1673180 1980200 2091475 2663369 2677088 3079211 3168320 3346360 3960400 4182950 5326738 5354176 6158422 6692720 7920800 8365900 10653476 12316844 13316845 13385440 15396055 15841600 16731800 21306952 24633688 26633690 26770880 30792110 33463600 42613904 49267376 53267380 61584220 66584225 66927200 76980275 85227808 98029801 98534752 106534760 123168440 133168450 133854400 153960550 170455616 196059602 197069504 213069520 246336880 266336900 307921100 392119204 426139040 490149005 492673760 532673800 615842200 784238408 828307759 852278080 980298010 985347520 1065347600 1231684400 1568476816 1656615518 1960596020 2130695200 2450745025 2463368800 3136953632 3313231036 3921192040 4141538795 4261390400 4901490050 4926737600 6273907264 6626462072 7842384080 8283077590 9802980100 13252924144 15684768160 16566155180 19605960200 20707693975 26370016469 26505848288 30487268111 31369536320 33132310360 39211920400 41415387950 52740032938 53011696576 60974536222 66264620720 78423840800 82830775900 105480065876 121949072444 131850082345 132529241440 152436340555 156847681600 165661551800 210960131752 243898144888 263700164690 265058482880 304872681110 331323103600 421920263504 487796289776 527400329380 609745362220 659250411725 662646207200 762181702775 843840527008 975592579552 1054800658760 1219490724440 1318500823450 1325292414400 1524363405550 1687681054016 1951185159104 2109601317520 2438981448880 2637001646900 3048726811100 4219202635040 4877962897760 5274003293800 6097453622200 8201075121859 8438405270080 9755925795520 10548006587600 12194907244400 16402150243718 21096013175200 24389814488800 32804300487436 41005375609295 42192026350400 48779628977600 65608600974872 82010751218590 131217201949744 164021502437180 205026878046475 262434403899488 328043004874360 410053756092950 524868807798976 656086009748720 820107512185900 1312172019497440 1640215024371800 2624344038994880 3280430048743600 6560860097487200 13121720194974400
• Sum of all divisors σ(n): 32515149854294640
• Sum of proper divisors (its aliquot sum) s(n): 19393429659320240
• 13121720194974400 is an abundant number, because the sum of its proper divisors (19393429659320240) is greater than itself. Its abundance is 6271709464345840

Bases of 13121720194974400

• Binary: 101110100111100010001010001111000100000100001011000000₂
• Hexadecimal: 0x2E9E228F1042C0
• Base-36: 3L79F1FB8HS

Squares and roots of 13121720194974400

• 13121720194974400 squared (13121720194974400²) is 172179540875199005951016655360000
• 13121720194974400 cubed (13121720194974400³) is 2259291758663518974784975332866320968822784000000
• The square root of 13121720194974400 is 114550077.2368766237
• The cube root of 13121720194974400 is 235865.0489771431

Scales and comparisons

• 13,121,720,194,974,400 seconds is equal to 417,230,114 years, 2 weeks, 5 days, 21 hours, 46 minutes, 40 seconds.
• To count from 1 to 13,121,720,194,974,400 would take you about one billion, two hundred fifty-one million, six hundred ninety thousand, three hundred forty-two 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 13121720194974400 cubic inches would be around 19655.4 feet tall.

Recreational maths with 13121720194974400

• 13121720194974400 backwards is 00447949102712131
• The number of decimal digits it has is: 17
• The sum of 13121720194974400's digits is 55
• More coming soon!