19729028940513280

Names of 19729028940513280

• Cardinal: 19729028940513280 can be written as Nineteen quadrillion, seven hundred twenty-nine trillion, twenty-eight billion, nine hundred forty million, five hundred thirteen thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.972902894051328 × 10¹⁶

Factors of 19729028940513280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 488504866

Divisors of 19729028940513280

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 32 34 40 58 64 68 80 85 116 128 136 145 160 170 232 256 272 290 320 340 464 493 512 544 580 640 680 928 986 1024 1088 1160 1280 1360 1856 1972 2048 2176 2320 2465 2560 2720 3712 3944 4096 4352 4640 4930 5120 5440 7424 7888 8192 8704 9280 9860 10240 10880 14848 15776 16384 17408 18560 19720 20480 21760 29696 31552 34816 37120 39440 40960 43520 59392 63104 69632 74240 78880 81920 87040 118784 126208 139264 148480 157760 174080 237568 252416 278528 296960 315520 348160 475136 504832 593920 631040 696320 1009664 1187840 1262080 1392640 2019328 2375680 2524160 4038656 5048320 8077312 10096640 20193280 40386560 488504813 977009626 1954019252 2442524065 3908038504 4885048130 7816077008 8304581821 9770096260 14166639577 15632154016 16609163642 19540192520 28333279154 31264308032 33218327284 39080385040 41522909105 56666558308 62528616064 66436654568 70833197885 78160770080 83045818210 113333116616 125057232128 132873309136 141666395770 156321540160 166091636420 226666233232 240832872809 250114464256 265746618272 283332791540 312643080320 332183272840 453332466464 481665745618 500228928512 531493236544 566665583080 625286160640 664366545680 906664932928 963331491236 1000457857024 1062986473088 1133331166160 1204164364045 1250572321280 1328733091360 1813329865856 1926662982472 2000915714048 2125972946176 2266662332320 2408328728090 2501144642560 2657466182720 3626659731712 3853325964944 4001831428096 4251945892352 4533324664640 4816657456180 5002289285120 5314932365440 7253319463424 7706651929888 8003662856192 8503891784704 9066649329280 9633314912360 10004578570240 10629864730880 14506638926848 15413303859776 17007783569408 18133298658560 19266629824720 20009157140480 21259729461760 29013277853696 30826607719552 34015567138816 36266597317120 38533259649440 40018314280960 42519458923520 58026555707392 61653215439104 68031134277632 72533194634240 77066519298880 85038917847040 116053111414784 123306430878208 136062268555264 145066389268480 154133038597760 170077835694080 232106222829568 246612861756416 290132778536960 308266077195520 340155671388160 493225723512832 580265557073920 616532154391040 680311342776320 986451447025664 1160531114147840 1233064308782080 1972902894051328 2466128617564160 3945805788102656 4932257235128320 9864514470256640 19729028940513280
• Sum of all divisors σ(n): 51862152658695120
• Sum of proper divisors (its aliquot sum) s(n): 32133123718181840
• 19729028940513280 is an abundant number, because the sum of its proper divisors (32133123718181840) is greater than itself. Its abundance is 12404094777668560

Bases of 19729028940513280

• Binary: 1000110000101110111001010000001110000110100000000000000₂
• Hexadecimal: 0x46177281C34000
• Base-36: 5E9CURUQZGG

Squares and roots of 19729028940513280

• 19729028940513280 squared (19729028940513280²) is 389234582935610555548909856358400
• 19729028940513280 cubed (19729028940513280³) is 7679220351385277133723110327498261063167639552000
• The square root of 19729028940513280 is 140460061.7275717989
• The cube root of 19729028940513280 is 270210.3022739125

Scales and comparisons

• 19,729,028,940,513,280 seconds is equal to 627,322,094 years, 21 weeks, 4 days, 1 hour, 14 minutes, 40 seconds.
• To count from 1 to 19,729,028,940,513,280 would take you about one billion, eight hundred eighty-one million, nine hundred sixty-six thousand, two hundred eighty-three 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 19729028940513280 cubic inches would be around 22517.5 feet tall.

Recreational maths with 19729028940513280

• 19729028940513280 backwards is 08231504982092791
• The number of decimal digits it has is: 17
• The sum of 19729028940513280's digits is 70
• More coming soon!