21201281010

Names of 21201281010

• Cardinal: 21201281010 can be written as Twenty-one billion, two hundred one million, two hundred eighty-one thousand and ten.

Scientific notation

• Scientific notation: 2.120128101 × 10¹⁰

Factors of 21201281010

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 150

Divisors of 21201281010

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 53 54 63 65 67 70 78 81 90 91 105 106 117 126 130 134 135 159 162 182 189 195 201 210 234 243 265 270 273 315 318 335 351 371 378 390 402 405 455 469 477 486 530 546 567 585 603 630 670 689 702 729 742 795 810 819 871 910 938 945 954 1005 1053 1113 1134 1170 1206 1215 1365 1378 1407 1431 1458 1590 1638 1701 1742 1755 1809 1855 1890 2010 2067 2106 2187 2226 2345 2385 2430 2457 2613 2730 2814 2835 2862 3015 3159 3339 3402 3445 3510 3551 3618 3645 3710 4095 4134 4221 4293 4355 4374 4690 4770 4823 4914 5103 5226 5265 5427 5565 5670 6030 6097 6201 6318 6561 6678 6890 7035 7102 7155 7290 7371 7839 8190 8442 8505 8586 8710 9045 9477 9646 10017 10206 10335 10530 10653 10854 10935 11130 12194 12285 12402 12663 12879 13065 13122 14070 14310 14469 14742 15309 15678 15795 16281 16695 17010 17755 18090 18291 18603 18954 20034 20670 21105 21306 21465 21870 22113 23517 24115 24570 24857 25326 25515 25758 26130 27135 28431 28938 30051 30485 30618 31005 31590 31959 32562 32805 33390 35510 36582 36855 37206 37989 38637 39195 42210 42930 43407 44226 45927 46163 47034 47385 48230 48843 49714 50085 51030 53265 54270 54873 55809 56862 60102 60970 62010 63315 63918 64395 65610 66339 70551 72345 73710 74571 75978 76545 77274 78390 81405 85293 86814 90153 91455 91854 92326 93015 94770 95877 97686 100170 106530 109746 110565 111618 113967 115911 117585 124285 126630 128790 130221 132678 138489 141102 142155 144690 146529 149142 150255 153090 159795 162810 164619 167427 170586 180306 182910 186030 189945 191754 193185 199017 211653 217035 221130 223713 227934 229635 230815 231822 235170 244215 248570 260442 270459 274365 276978 279045 284310 287631 293058 300510 319590 323141 329238 331695 334854 341901 347733 352755 372855 379890 386370 390663 398034 415467 423306 426465 434070 439587 447426 450765 459270 461630 479385 488430 493857 502281 540918 548730 558090 569835 575262 579555 597051 634959 646282 651105 663390 671139 683802 692445 695466 705510 732645 745710 781326 811377 823095 830934 837135 852930 862893 879174 901530 958770 969423 987714 995085 1004562 1025703 1058265 1118565 1139670 1159110 1171989 1194102 1246401 1269918 1302210 1342278 1352295 1384890 1438155 1465290 1481571 1506843 1615705 1622754 1646190 1674270 1709505 1725786 1738665 1904877 1938846 1953315 1990170 2013417 2051406 2077335 2116530 2197935 2237130 2343978 2434131 2469285 2492802 2511405 2588679 2704590 2876310 2908269 2963142 2985255 3013686 3077109 3174795 3231410 3355695 3419010 3477330 3515967 3739203 3809754 3906630 4026834 4056885 4154670 4314465 4395870 4444713 4520529 4847115 4868262 4938570 5022810 5128515 5177358 5714631 5816538 5859945 5970510 6040251 6154218 6232005 6349590 6711390 7031934 7407855 7478406 7534215 7766037 8113770 8628930 8724807 8889426 9041058 9524385 9694230 10067085 10257030 10547901 11217609 11429262 11719890 12080502 12170655 12464010 12943395 13334139 14541345 14815710 15068430 15385545 15532074 17449614 17579835 18120753 18696015 19048770 20134170 21095802 22223565 22435218 22602645 23298111 24341310 25886790 26174421 26668278 28573155 29082690 30201255 30771090 31643703 33652827 35159670 36241506 37392030 38830185 40002417 43624035 44447130 45205290 46596222 52348842 52739505 54362259 56088045 57146310 60402510 63287406 66670695 67305654 77660370 78523263 80004834 87248070 90603765 100958481 105479010 108724518 112176090 116490555 130872105 133341390 157046526 158218515 163086777 168264135 181207530 200012085 201916962 232981110 235569789 261744210 271811295 302875443 316437030 326173554 336528270 392616315 400024170 471139578 504792405 543622590 605750886 706709367 785232630 815433885 1009584810 1177848945 1413418734 1514377215 1630867770 2120128101 2355697890 3028754430 3533546835 4240256202 7067093670 10600640505 21201281010
• Sum of all divisors σ(n): 72850482432
• Sum of proper divisors (its aliquot sum) s(n): 51649201422
• 21201281010 is an abundant number, because the sum of its proper divisors (51649201422) is greater than itself. Its abundance is 30447920412

Bases of 21201281010

• Binary: 10011101111101100011101111111110010₂
• Hexadecimal: 0x4EFB1DFF2
• Base-36: 9QMP14I

Squares and roots of 21201281010

• 21201281010 squared (21201281010²) is 449494316464986620100
• 21201281010 cubed (21201281010³) is 9529855315772051158630214301000
• The square root of 21201281010 is 145606.5967255605
• The cube root of 21201281010 is 2767.7107513509

Scales and comparisons

• 21,201,281,010 seconds is equal to 674 years, 7 weeks, 4 hours, 43 minutes, 30 seconds.
• To count from 1 to 21,201,281,010 would take you about one thousand, three hundred forty-eight 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 21201281010 cubic inches would be around 230.6 feet tall.

Recreational maths with 21201281010

• 21201281010 backwards is 01018210212
• 21201281010 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21201281010's digits is 18
• More coming soon!