20979475968

Names of 20979475968

• Cardinal: 20979475968 can be written as Twenty billion, nine hundred seventy-nine million, four hundred seventy-five thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0979475968 × 10¹⁰

Factors of 20979475968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 960

Divisors of 20979475968

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 44 48 64 66 74 88 96 111 128 132 148 176 192 222 256 264 296 352 384 407 444 512 528 592 704 768 814 888 907 1056 1184 1221 1369 1408 1536 1628 1776 1814 2112 2368 2442 2721 2738 2816 3256 3552 3628 4107 4224 4736 4884 5442 5476 5632 6512 7104 7256 8214 8448 9472 9768 9977 10884 10952 13024 14208 14512 15059 16428 16896 18944 19536 19954 21768 21904 26048 28416 29024 29931 30118 32856 33559 39072 39908 43536 43808 45177 52096 56832 58048 59862 60236 65712 67118 78144 79816 87072 87616 90354 100677 104192 116096 119724 120472 131424 134236 156288 159632 174144 175232 180708 201354 208384 232192 239448 240944 262848 268472 312576 319264 348288 350464 361416 369149 402708 464384 478896 481888 525696 536944 625152 638528 696576 700928 722832 738298 805416 957792 963776 1051392 1073888 1107447 1241683 1277056 1393152 1445664 1476596 1610832 1915584 1927552 2102784 2147776 2214894 2483366 2554112 2891328 2953192 3221664 3725049 3831168 3855104 4295552 4429788 4966732 5108224 5782656 5906384 6443328 7450098 7662336 7710208 8591104 8859576 9933464 11565312 11812768 12886656 13658513 14900196 15324672 17182208 17719152 19866928 23130624 23625536 25773312 27317026 29800392 35438304 39733856 40975539 47251072 51546624 54634052 59600784 70876608 79467712 81951078 94502144 109268104 119201568 141753216 158935424 163902156 189004288 218536208 238403136 283506432 317870848 327804312 437072416 476806272 567012864 635741696 655608624 874144832 953612544 1311217248 1748289664 1907225088 2622434496 3496579328 5244868992 6993158656 10489737984 20979475968
• Sum of all divisors σ(n): 62733109824
• Sum of proper divisors (its aliquot sum) s(n): 41753633856
• 20979475968 is an abundant number, because the sum of its proper divisors (41753633856) is greater than itself. Its abundance is 20774157888

Bases of 20979475968

• Binary: 10011100010011110010110011000000000₂
• Hexadecimal: 0x4E2796600
• Base-36: 9MYMZ9C

Squares and roots of 20979475968

• 20979475968 squared (20979475968²) is 440138411891889537024
• 20979475968 cubed (20979475968³) is 9233873234879581956105654239232
• The square root of 20979475968 is 144842.9355129203
• The cube root of 20979475968 is 2758.0250858247

Scales and comparisons

• 20,979,475,968 seconds is equal to 667 years, 4 weeks, 2 days, 12 minutes, 48 seconds.
• To count from 1 to 20,979,475,968 would take you about one thousand, three hundred thirty-four 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 20979475968 cubic inches would be around 229.8 feet tall.

Recreational maths with 20979475968

• 20979475968 backwards is 86957497902
• 20979475968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20979475968's digits is 66
• More coming soon!