20387411968

Names of 20387411968

• Cardinal: 20387411968 can be written as Twenty billion, three hundred eighty-seven million, four hundred eleven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0387411968 × 10¹⁰

Factors of 20387411968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 116

Divisors of 20387411968

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 23 28 32 44 46 49 56 64 73 77 88 92 98 112 121 128 146 154 161 176 184 196 224 242 253 256 292 308 322 352 368 392 448 484 506 511 512 539 584 616 644 704 736 784 803 847 896 968 1012 1022 1024 1078 1127 1168 1232 1288 1408 1472 1568 1606 1679 1694 1771 1792 1936 2024 2044 2048 2156 2254 2336 2464 2576 2783 2816 2944 3136 3212 3358 3388 3542 3577 3584 3872 4048 4088 4312 4508 4672 4928 5152 5566 5621 5632 5888 5929 6272 6424 6716 6776 7084 7154 7168 7744 8096 8176 8624 8833 9016 9344 9856 10304 11132 11242 11264 11753 11776 11858 12397 12544 12848 13432 13552 14168 14308 14336 15488 16192 16352 17248 17666 18032 18469 18688 19481 19712 20608 22264 22484 22528 23506 23552 23716 24794 25088 25696 26864 27104 28336 28616 30976 32384 32704 34496 35332 36064 36938 37376 38962 39347 39424 41216 44528 44968 47012 47104 47432 49588 50176 51392 53728 54208 56672 57232 61831 61952 64768 65408 68992 70664 72128 73876 74752 77924 78694 78848 82271 82432 89056 89936 94024 94864 99176 100352 102784 107456 108416 113344 114464 123662 123904 129283 129536 130816 136367 137984 141328 144256 147752 149504 155848 157388 157696 164542 164864 178112 179872 188048 189728 198352 203159 205568 214912 216832 226688 228928 247324 247808 258566 259072 261632 272734 275968 282656 288512 295504 311696 314776 329084 329728 356224 359744 376096 379456 396704 406318 411136 429824 432817 433664 453376 457856 494648 517132 518144 523264 545468 551936 565312 577024 591008 623392 629552 658168 712448 719488 752192 758912 793408 812636 822272 859648 865634 867328 904981 906752 915712 989296 1034264 1046528 1090936 1103872 1130624 1154048 1182016 1246784 1259104 1316336 1422113 1424896 1438976 1504384 1517824 1586816 1625272 1644544 1719296 1731268 1734656 1809962 1813504 1831424 1978592 2068528 2181872 2261248 2308096 2364032 2493568 2518208 2632672 2844226 2849792 2877952 3008768 3035648 3173632 3250544 3438592 3462536 3619924 3627008 3662848 3957184 4137056 4363744 4522496 4728064 4987136 5036416 5265344 5688452 5699584 5755904 6017536 6071296 6347264 6501088 6925072 7239848 7325696 7914368 8274112 8727488 9044992 9456128 9954791 9974272 10072832 10530688 11376904 11511808 12035072 12142592 12694528 13002176 13850144 14479696 15828736 16548224 17454976 18089984 18912256 19909582 19948544 20145664 21061376 22753808 24070144 25389056 26004352 27700288 28959392 31657472 33096448 34909952 37824512 39819164 39897088 40291328 42122752 45507616 52008704 55400576 57918784 63314944 66192896 69819904 79638328 80582656 84245504 91015232 104017408 110801152 115837568 126629888 132385792 139639808 159276656 168491008 182030464 208034816 221602304 231675136 264771584 279279616 318553312 364060928 416069632 443204608 463350272 637106624 728121856 886409216 926700544 1274213248 1456243712 1853401088 2548426496 2912487424 5096852992 10193705984 20387411968
• Sum of all divisors σ(n): 55134490320
• Sum of proper divisors (its aliquot sum) s(n): 34747078352
• 20387411968 is an abundant number, because the sum of its proper divisors (34747078352) is greater than itself. Its abundance is 14359666384

Bases of 20387411968

• Binary: 10010111111001011110011100000000000₂
• Hexadecimal: 0x4BF2F3800
• Base-36: 9D64ZR4

Squares and roots of 20387411968

• 20387411968 squared (20387411968²) is 415646566752949633024
• 20387411968 cubed (20387411968³) is 8473957789477196247614705631232
• The square root of 20387411968 is 142784.4948445033
• The cube root of 20387411968 is 2731.8322829987

Scales and comparisons

• 20,387,411,968 seconds is equal to 648 years, 13 weeks, 2 days, 9 hours, 59 minutes, 28 seconds.
• To count from 1 to 20,387,411,968 would take you about one thousand, two hundred ninety-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 20387411968 cubic inches would be around 227.7 feet tall.

Recreational maths with 20387411968

• 20387411968 backwards is 86911478302
• 20387411968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20387411968's digits is 49
• More coming soon!