61438398021

Names of 61438398021

• Cardinal: 61438398021 can be written as Sixty-one billion, four hundred thirty-eight million, three hundred ninety-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 6.1438398021 × 10¹⁰

Factors of 61438398021

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 133

Divisors of 61438398021

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 7 9 11 13 17 21 27 29 33 39 51 53 63 77 81 87 91 99 117 119 143 153 159 187 189 203 221 231 261 273 297 319 351 357 371 377 429 459 477 493 561 567 583 609 663 689 693 783 819 841 891 901 957 1001 1053 1071 1113 1131 1287 1309 1377 1431 1479 1537 1547 1683 1749 1827 1989 2067 2079 2233 2349 2431 2457 2523 2639 2703 2871 3003 3213 3339 3393 3451 3861 3927 4081 4147 4293 4437 4611 4641 4823 5049 5247 5423 5481 5887 5967 6201 6237 6307 6409 6699 7293 7371 7569 7579 7917 8109 8613 9009 9251 9639 9911 10017 10179 10353 10759 10933 11583 11713 11781 12243 12441 13311 13833 13923 14297 14469 15147 15741 16269 16443 16907 17017 17661 17901 18603 18921 19227 19981 20097 21879 22707 22737 23751 24327 25839 26129 27027 27753 29029 29733 30051 30537 31059 32277 32799 35139 35343 36729 37323 37961 39933 41499 41769 42891 43407 44573 44863 47223 48807 50721 51051 52983 53053 55809 56763 57681 59943 60291 64757 65637 68121 68211 69377 70499 71253 72981 76531 78387 81081 81991 83259 87087 89199 93177 96831 98397 100079 105417 106029 110187 111969 113883 118349 120263 124497 125307 128673 128843 130221 133719 134589 139867 146421 152163 153153 157267 158949 159159 170289 173043 179829 180873 182903 185861 194271 196911 204633 208131 211497 213759 219791 229593 235161 245973 249777 261261 267597 279531 287419 290493 295191 300237 312011 316251 330561 335907 339677 341649 355047 360789 386019 386529 390663 401157 403767 419601 439263 456489 459459 471801 476847 477477 490303 493493 510867 519129 539487 548709 557583 579449 582813 613899 624393 634491 659373 688779 705483 737919 749331 757741 783783 802791 841841 862257 871479 885573 900711 901901 936033 948753 1019031 1024947 1065141 1082367 1100869 1158057 1159587 1203471 1211301 1258803 1301027 1369467 1378377 1415403 1432431 1470909 1480479 1538537 1618461 1646127 1672749 1738347 1748439 1873179 1903473 1978119 2011933 2044471 2066337 2116449 2213757 2273223 2351349 2377739 2525523 2586771 2702133 2705703 2808099 3057093 3074841 3195423 3247101 3302607 3432121 3478761 3610413 3633903 3736447 3776409 3903081 4056143 4246209 4297293 4412727 4441437 4615611 4938381 5018247 5215041 5245317 5304187 5619537 5710419 5934357 6035799 6133413 6199011 6373939 6641271 6819669 7133217 7576569 7760313 8106399 8117109 8335151 8424297 9171279 9586269 9741303 9850633 9907821 10296363 10436283 11209341 11329227 11709243 12168429 12738627 13238181 13324311 13846833 14311297 14815143 15054741 15645123 15912561 17803071 18107397 18400239 19121817 20459007 21399651 22729707 23280939 24351327 25005453 25272891 26155129 27513837 29551899 29723463 30889089 33628023 35127729 36505287 39714543 39972933 41540499 42933891 44617573 46935369 47737683 54322191 55200717 57365451 58346057 61377021 64198953 68189121 68954431 73053981 75016359 78465387 88655697 89170389 92667267 100884069 105383187 108356963 109515861 124621497 128801673 133852719 143213049 162966573 165602151 172096353 175038171 192596859 206863293 225049077 235396161 265967091 278001801 302652207 325070889 328547583 386405019 401558157 429639147 516289059 525114513 620589879 675147231 706188483 758498741 797901273 975212667 1159215057 1204674471 1575343539 1861769637 2118565449 2275496223 2925638001 3614023413 4726030617 5585308911 6826488669 8776914003 20479466007 61438398021
• Sum of all divisors σ(n): 137679429888
• Sum of proper divisors (its aliquot sum) s(n): 76241031867
• 61438398021 is an abundant number, because the sum of its proper divisors (76241031867) is greater than itself. Its abundance is 14802633846

Bases of 61438398021

• Binary: 111001001110000000111000111001000101₂
• Hexadecimal: 0xE4E038E45
• Base-36: S82U3B9

Squares and roots of 61438398021

• 61438398021 squared (61438398021²) is 3774676751386816716441
• 61438398021 cubed (61438398021³) is 231910092652318509156878452563261
• The square root of 61438398021 is 247867.7026580913
• The cube root of 61438398021 is 3945.9050233185

Scales and comparisons

• 61,438,398,021 seconds is equal to 1,953 years, 28 weeks, 4 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 61,438,398,021 would take you about three thousand, nine hundred seven 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 61438398021 cubic inches would be around 328.8 feet tall.

Recreational maths with 61438398021

• 61438398021 backwards is 12089383416
• The number of decimal digits it has is: 11
• The sum of 61438398021's digits is 45
• More coming soon!