638409682134

Names of 638409682134

• Cardinal: 638409682134 can be written as Six hundred thirty-eight billion, four hundred nine million, six hundred eighty-two thousand, one hundred thirty-four.

Scientific notation

• Scientific notation: 6.38409682134 × 10¹¹

Factors of 638409682134

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1864

Divisors of 638409682134

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 31 38 42 54 57 61 62 63 81 93 114 122 126 133 162 171 183 186 189 217 243 266 279 342 366 378 399 427 434 486 513 549 558 567 589 651 729 798 837 854 1026 1098 1134 1159 1178 1197 1281 1302 1458 1539 1647 1674 1701 1741 1767 1891 1953 2318 2394 2511 2562 3078 3294 3402 3477 3482 3534 3591 3782 3843 3906 4123 4617 4941 5022 5103 5223 5301 5673 5859 6954 7182 7533 7686 8113 8246 9234 9882 10206 10431 10446 10602 10773 11346 11529 11718 12187 12369 13237 13851 14823 15066 15669 15903 16226 17019 17577 20862 21546 22599 23058 24339 24374 24738 26474 27702 29646 31293 31338 31806 32319 33079 34038 34587 35154 35929 36561 37107 39711 44469 45198 47007 47709 48678 51057 52731 53971 62586 64638 66158 69174 71858 73017 73122 74214 79422 88938 93879 94014 95418 96957 99237 102114 103761 105462 106201 107787 107942 109683 111321 119133 141021 143127 146034 153171 158193 161913 187758 193914 198474 207522 212402 215574 219051 219366 222642 231553 238266 251503 281637 282042 286254 297711 306342 311283 316386 318603 323361 323826 329049 333963 357399 377797 423063 429381 438102 459513 463106 485739 503006 563274 595422 622566 637206 646722 657153 658098 667926 694659 714798 743407 754509 755594 844911 846126 858762 893133 919026 955809 970083 971478 987147 1001889 1025449 1072197 1133391 1269189 1314306 1378539 1389318 1457217 1486814 1509018 1689822 1786266 1911618 1940166 1971459 1974294 2003778 2017819 2050898 2083977 2144394 2230221 2263527 2266782 2538378 2679399 2757078 2867427 2910249 2914434 2961441 3005667 3076347 3216591 3292231 3400173 3942918 4035638 4167954 4371651 4460442 4527054 5358798 5734854 5820498 5914377 5922882 6011334 6053457 6152694 6251931 6433182 6584462 6690663 6790581 6800346 7178143 8038197 8602281 8730747 8743302 8884323 9229041 9649773 9876693 10200519 11828754 12106914 12503862 13114953 13381326 13581162 14124733 14356286 16076394 17204562 17461494 17768646 18160371 18458082 18755793 19299546 19753386 20071989 20371743 20401038 21534429 23045617 24114591 25806843 26192241 26229906 27687123 28249466 29630079 30601557 36320742 37511586 39344859 40143978 40743486 42374199 43068858 46091234 48229182 51613686 52384482 54481113 55374246 56267379 59260158 60215967 61115229 61203114 62552389 64603287 69136851 77420529 78689718 83061369 84748398 88890237 91804671 108962226 112534758 120431934 122230458 125104778 127122597 129206574 138273702 154841058 163443339 166122738 168802137 177780474 180647901 183345687 183609342 187657167 193809861 207410553 249184107 254245194 266670711 275414013 326886678 337604274 361295802 366691374 375314334 381367791 387619722 414821106 437866723 490330017 498368214 533341422 541943703 550828026 562971501 581429583 622231659 747552321 762735582 800012133 875733446 980660034 1083887406 1125943002 1144103373 1162859166 1244463318 1313600169 1470990051 1495104642 1600024266 1688914503 1744288749 1866694977 2288206746 2400036399 2627200338 2941980102 3377829006 3432310119 3488577498 3733389954 3940800507 4800072798 5066743509 5232866247 5600084931 6864620238 7881601014 10133487018 10296930357 10465732494 11200169862 11822401521 15200230527 16800254793 20593860714 23644803042 30400461054 33600509586 35467204563 45600691581 70934409126 91201383162 106401613689 212803227378 319204841067 638409682134
• Sum of all divisors σ(n): 1813222993920
• Sum of proper divisors (its aliquot sum) s(n): 1174813311786
• 638409682134 is an abundant number, because the sum of its proper divisors (1174813311786) is greater than itself. Its abundance is 536403629652

Bases of 638409682134

• Binary: 1001010010100100001011101010110011010110₂
• Hexadecimal: 0x94A42EACD6
• Base-36: 85A4N3DI

Squares and roots of 638409682134

• 638409682134 squared (638409682134²) is 407566922242434918793956
• 638409682134 cubed (638409682134³) is 260194669277125570993431552600382104
• The square root of 638409682134 is 799005.4331066843
• The cube root of 638409682134 is 8610.5948479987

Scales and comparisons

• 638,409,682,134 seconds is equal to 20,299 years, 23 weeks, 3 days, 22 hours, 48 minutes, 54 seconds.
• To count from 1 to 638,409,682,134 would take you about forty thousand, five hundred ninety-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 638409682134 cubic inches would be around 717.5 feet tall.

Recreational maths with 638409682134

• 638409682134 backwards is 431286904836
• 638409682134 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 638409682134's digits is 54
• More coming soon!