21329306472768

Names of 21329306472768

• Cardinal: 21329306472768 can be written as Twenty-one trillion, three hundred twenty-nine billion, three hundred six million, four hundred seventy-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1329306472768 × 10¹³

Factors of 21329306472768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 371

Divisors of 21329306472768

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 359 392 448 588 672 686 718 784 1029 1077 1176 1344 1372 1436 1568 2058 2154 2352 2401 2513 2744 2872 3136 4116 4308 4704 4802 5026 5488 5744 7203 7539 8232 8616 9408 9604 10052 10976 11488 14406 15078 16464 17232 17591 19208 20104 21952 22976 28812 30156 32928 34464 35182 38416 40208 52773 57624 60312 65856 68928 70364 76832 80416 105546 115248 120624 123137 128881 140728 153664 160832 211092 230496 241248 246274 257762 281456 369411 386643 422184 460992 482496 492548 515524 562912 738822 773286 844368 861959 902167 985096 1031048 1125824 1477644 1546572 1688736 1723918 1804334 1970192 2062096 2585877 2706501 2955288 3093144 3377472 3447836 3608668 3940384 4124192 5171754 5413002 5910576 6186288 6315169 6895672 7217336 7880768 8248384 10343508 10826004 11821152 12372576 12630338 13791344 14434672 18945507 20687016 21652008 23642304 24745152 25260676 27582688 28869344 37891014 41374032 43304016 44206183 46268279 50521352 55165376 57738688 75782028 82748064 86608032 88412366 92536558 101042704 132618549 138804837 151564056 165496128 173216064 176824732 185073116 202085408 265237098 277609674 303128112 309443281 323877953 353649464 370146232 404170816 530474196 555219348 606256224 618886562 647755906 707298928 740292464 928329843 971633859 1060948392 1110438696 1212512448 1237773124 1295511812 1414597856 1480584928 1856659686 1943267718 2121896784 2220877392 2267145671 2475546248 2591023624 2829195712 2961169856 3713319372 3886535436 4243793568 4441754784 4534291342 4951092496 5182047248 6801437013 7426638744 7773070872 8487587136 8883509568 9068582684 9902184992 10364094496 13602874026 14853277488 15546141744 15870019697 18137165368 19804369984 20728188992 27205748052 29706554976 31092283488 31740039394 36274330736 47610059091 54411496104 59413109952 62184566976 63480078788 72548661472 95220118182 108822992208 111090137879 126960157576 145097322944 190440236364 217645984416 222180275758 253920315152 333270413637 380880472728 435291968832 444360551516 507840630304 666540827274 761760945456 888721103032 1015681260608 1333081654548 1523521890912 1777442206064 2666163309096 3047043781824 3554884412128 5332326618192 7109768824256 10664653236384 21329306472768
• Sum of all divisors σ(n): 66019402388160
• Sum of proper divisors (its aliquot sum) s(n): 44690095915392
• 21329306472768 is an abundant number, because the sum of its proper divisors (44690095915392) is greater than itself. Its abundance is 23360789442624

Bases of 21329306472768

• Binary: 100110110011000011101101111000101000101000000₂
• Hexadecimal: 0x13661DBC5140
• Base-36: 7K6JQD8AO

Squares and roots of 21329306472768

• 21329306472768 squared (21329306472768²) is 454939314609262901525581824
• 21329306472768 cubed (21329306472768³) is 9703540067811988750279004980580411768832
• The square root of 21329306472768 is 4618366.2125006935
• The cube root of 21329306472768 is 27732.7058209831

Scales and comparisons

• 21,329,306,472,768 seconds is equal to 678,205 years, 50 weeks, 3 days, 1 hour, 32 minutes, 48 seconds.
• To count from 1 to 21,329,306,472,768 would take you about one million, six hundred ninety-five thousand, five hundred fourteen 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 21329306472768 cubic inches would be around 2311.1 feet tall.

Recreational maths with 21329306472768

• 21329306472768 backwards is 86727460392312
• The number of decimal digits it has is: 14
• The sum of 21329306472768's digits is 60
• More coming soon!