81677169828

Names of 81677169828

• Cardinal: 81677169828 can be written as Eighty-one billion, six hundred seventy-seven million, one hundred sixty-nine thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 8.1677169828 × 10¹⁰

Factors of 81677169828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 153

Divisors of 81677169828

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 29 36 38 47 53 54 57 58 76 87 94 106 108 114 116 141 159 171 174 188 212 228 261 282 318 342 348 361 423 477 513 522 551 564 636 684 722 783 841 846 893 954 1007 1026 1044 1083 1102 1269 1363 1431 1444 1537 1566 1653 1682 1692 1786 1908 2014 2052 2166 2204 2491 2523 2538 2679 2726 2862 3021 3074 3132 3249 3306 3364 3572 4028 4089 4332 4611 4959 4982 5046 5076 5358 5452 5724 6042 6148 6498 6612 7473 7569 8037 8178 9063 9222 9747 9918 9964 10092 10469 10716 12084 12267 12996 13833 14877 14946 15138 15979 16074 16356 16967 18126 18444 19133 19494 19836 20938 22419 22707 24111 24534 25897 27189 27666 29203 29754 29892 30276 31407 31958 32148 33934 36252 36801 38266 38988 39527 41499 41876 44573 44838 45414 47329 47937 48222 49068 50901 51794 54378 55332 57399 58406 59508 62814 63916 67257 67868 72239 73602 76532 77691 79054 82998 87609 89146 89676 90828 94221 94658 95874 96444 101802 103588 108756 114798 116812 118581 125628 133719 134514 141987 143811 144478 147204 152703 155382 158108 165996 172197 175218 178292 188442 189316 191748 203604 216717 229596 233073 237162 262827 267438 269028 282663 283974 287622 288956 303601 305406 310764 344394 350436 355743 376884 401157 425961 431433 433434 458109 466146 474324 492043 516591 525654 534876 554857 565326 567948 575244 607202 610812 650151 688788 699219 711486 751013 788481 802314 846887 851922 862866 866868 899251 910803 916218 932292 984086 1033182 1051308 1067229 1109714 1130652 1203471 1214404 1277883 1300302 1372541 1398438 1422972 1476129 1502026 1576962 1604628 1664571 1693774 1703844 1725732 1798502 1821606 1832436 1950453 1968172 2066364 2094931 2134458 2219428 2253039 2406942 2540661 2555766 2600604 2697753 2732409 2745082 2796876 2952258 3004052 3153924 3329142 3387548 3597004 3643212 3900906 4117623 4189862 4268916 4428387 4506078 4813884 4993713 5081322 5111532 5395506 5464818 5490164 5904516 6284793 6658284 6759117 7621983 7801812 8093259 8197227 8235246 8379724 8856774 9012156 9987426 10162644 10791012 10929636 12352869 12569586 13285161 13518234 14269247 14981139 15243966 16090853 16186518 16394454 16470492 17713548 18854379 19974852 20277351 22865949 24279777 24705738 25139172 26078279 26570322 27036468 28538494 29962278 30487932 32181706 32373036 32788908 37058607 37708758 39803689 40554702 42807741 45731898 48272559 48559554 49411476 52156558 53140644 56563137 57076988 59924556 64363412 74117214 75417516 78234837 79607378 81109404 85615482 91463796 96545118 97119108 104313116 113126274 119411067 128423223 144817677 148234428 156469674 159214756 171230964 193090236 226252548 234704511 238822134 256846446 289635354 312939348 358233201 385269669 434453031 469409022 477644268 513692892 579270708 704113533 716466402 756270091 770539338 868906062 938818044 1074699603 1408227066 1432932804 1512540182 1541078676 1737812124 2149399206 2268810273 2816454132 3025080364 4298798412 4537620546 6806430819 9075241092 13612861638 20419292457 27225723276 40838584914 81677169828
• Sum of all divisors σ(n): 240844181760
• Sum of proper divisors (its aliquot sum) s(n): 159167011932
• 81677169828 is an abundant number, because the sum of its proper divisors (159167011932) is greater than itself. Its abundance is 77489842104

Bases of 81677169828

• Binary: 1001100000100010101101011010010100100₂
• Hexadecimal: 0x130456B4A4
• Base-36: 11ISH7L0

Squares and roots of 81677169828

• 81677169828 squared (81677169828²) is 6671160071111953549584
• 81677169828 cubed (81677169828³) is 544881474077983586870219786751552
• The square root of 81677169828 is 285792.1794381365
• The cube root of 81677169828 is 4338.7726471253

Scales and comparisons

• 81,677,169,828 seconds is equal to 2,597 years, 4 weeks, 1 day, 14 hours, 43 minutes, 48 seconds.
• To count from 1 to 81,677,169,828 would take you about five thousand, one hundred ninety-four 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 81677169828 cubic inches would be around 361.6 feet tall.

Recreational maths with 81677169828

• 81677169828 backwards is 82896177618
• The number of decimal digits it has is: 11
• The sum of 81677169828's digits is 63
• More coming soon!