21379360128

Names of 21379360128

• Cardinal: 21379360128 can be written as Twenty-one billion, three hundred seventy-nine million, three hundred sixty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1379360128 × 10¹⁰

Factors of 21379360128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 197

Divisors of 21379360128

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 41 42 48 49 56 64 74 82 84 96 98 107 111 112 123 128 147 148 164 168 192 196 214 222 224 246 259 287 294 296 321 328 336 343 384 392 428 444 448 492 518 574 588 592 642 656 672 686 749 777 784 856 861 888 896 984 1029 1036 1148 1176 1184 1284 1312 1344 1372 1498 1517 1554 1568 1712 1722 1776 1813 1968 2009 2058 2072 2247 2296 2352 2368 2568 2624 2688 2744 2996 3034 3108 3136 3424 3444 3552 3626 3936 3959 4018 4116 4144 4387 4494 4551 4592 4704 4736 5136 5243 5248 5439 5488 5992 6027 6068 6216 6272 6848 6888 7104 7252 7872 7918 8036 8232 8288 8774 8988 9102 9184 9408 10272 10486 10619 10878 10976 11877 11984 12054 12136 12432 12691 13161 13696 13776 14063 14208 14504 15729 15744 15836 16072 16464 16576 17548 17976 18204 18368 18816 20544 20972 21238 21756 21952 23754 23968 24108 24272 24864 25382 26322 27552 27713 28126 29008 30709 31458 31672 31857 32144 32928 33152 35096 35952 36408 36701 36736 38073 41088 41944 42189 42476 43512 43904 47508 47936 48216 48544 49728 50764 52644 55104 55426 56252 58016 61418 62916 63344 63714 64288 65856 70192 71904 72816 73402 74333 76146 83139 83888 84378 84952 87024 92127 95016 95872 96432 97088 99456 101528 105288 110103 110208 110852 112504 116032 122836 125832 126688 127428 128576 131712 140384 143808 145632 146804 148666 152292 162319 166278 167776 168756 169904 174048 184254 190032 192864 193991 194176 203056 210576 214963 220206 221704 222999 225008 232064 245672 251664 253376 254856 257152 280768 287616 291264 293608 297332 304584 324638 332556 335552 337512 339808 348096 368508 380064 385728 387982 406112 421152 429926 440412 443408 445998 450016 486957 491344 503328 506752 509712 520331 561536 581973 582528 587216 594664 609168 644889 649276 665112 671104 675024 679616 696192 737016 760128 771456 775964 812224 842304 859852 880824 886816 891996 900032 973914 982688 1006656 1019424 1040662 1136233 1163946 1174432 1189328 1218336 1289778 1298552 1330224 1350048 1357937 1359232 1474032 1504741 1520256 1551928 1560993 1624448 1684608 1719704 1761648 1773632 1783992 1800064 1947828 1965376 2013312 2038848 2081324 2272466 2327892 2348864 2378656 2436672 2579556 2597104 2660448 2700096 2715874 2948064 3009482 3103856 3121986 3408699 3439408 3523296 3547264 3567984 3895656 3930752 4073811 4077696 4162648 4514223 4544932 4655784 4697728 4757312 4873344 5159112 5194208 5320896 5400192 5431748 5896128 6018964 6207712 6243972 6817398 6878816 7046592 7135968 7791312 7953631 8147622 8325296 9028446 9089864 9311568 9514624 10318224 10388416 10641792 10863496 11792256 12037928 12415424 12487944 13634796 13757632 14093184 14271936 15582624 15907262 16295244 16650592 18056892 18179728 18623136 20636448 20776832 21726992 23860893 24075856 24830848 24975888 27269592 27515264 28543872 31165248 31814524 32590488 33301184 36113784 36359456 37246272 41272896 43453984 47721786 48151712 49951776 54539184 55675417 62330496 63629048 65180976 66602368 72227568 72718912 74492544 82545792 86907968 95443572 96303424 99903552 109078368 111350834 127258096 130361952 144455136 145437824 167026251 173815936 190887144 192606848 199807104 218156736 222701668 254516192 260723904 288910272 334052502 381774288 436313472 445403336 509032384 521447808 577820544 668105004 763548576 890806672 1018064768 1336210008 1527097152 1781613344 2672420016 3054194304 3563226688 5344840032 7126453376 10689680064 21379360128
• Sum of all divisors σ(n): 70326144000
• Sum of proper divisors (its aliquot sum) s(n): 48946783872
• 21379360128 is an abundant number, because the sum of its proper divisors (48946783872) is greater than itself. Its abundance is 27567423744

Bases of 21379360128

• Binary: 10011111010010011110010010110000000₂
• Hexadecimal: 0x4FA4F2580
• Base-36: 9TKPVUO

Squares and roots of 21379360128

• 21379360128 squared (21379360128²) is 457077039482716176384
• 21379360128 cubed (21379360128³) is 9772014633341063966524704817152
• The square root of 21379360128 is 146216.8257349339
• The cube root of 21379360128 is 2775.4382394963

Scales and comparisons

• 21,379,360,128 seconds is equal to 679 years, 41 weeks, 3 days, 7 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,379,360,128 would take you about one thousand, three hundred fifty-nine 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 21379360128 cubic inches would be around 231.3 feet tall.

Recreational maths with 21379360128

• 21379360128 backwards is 82106397312
• 21379360128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21379360128's digits is 42
• More coming soon!