81340221480

Names of 81340221480

• Cardinal: 81340221480 can be written as Eighty-one billion, three hundred forty million, two hundred twenty-one thousand, four hundred eighty.

Scientific notation

• Scientific notation: 8.134022148 × 10¹⁰

Factors of 81340221480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1518

Divisors of 81340221480

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 53 56 60 70 84 98 105 106 120 140 147 159 168 196 210 211 212 245 265 280 294 318 371 392 420 422 424 490 530 588 633 636 735 742 795 840 844 980 1055 1060 1113 1176 1237 1266 1272 1470 1477 1484 1590 1688 1855 1960 2110 2120 2226 2474 2532 2597 2940 2954 2968 3165 3180 3710 3711 4220 4431 4452 4948 5064 5194 5565 5880 5908 6185 6330 6360 7385 7420 7422 7791 8440 8659 8862 8904 9896 10339 10388 11130 11183 11816 12370 12660 12985 14770 14840 14844 15582 17318 17724 18555 20678 20776 22155 22260 22366 24740 25320 25970 25977 29540 29688 31017 31164 33549 34636 35448 37110 38955 41356 43295 44310 44520 44732 49480 51695 51940 51954 55915 59080 60613 62034 62328 65561 67098 69272 74220 77910 78281 82712 86590 88620 89464 103390 103880 103908 111830 121226 124068 129885 131122 134196 148440 155085 155820 156562 167745 173180 177240 181839 196683 206780 207816 223660 234843 242452 248136 259770 261007 262244 268392 303065 310170 311640 313124 327805 335490 346360 363678 391405 393366 413560 447320 458927 469686 484904 519540 522014 524488 547967 606130 620340 626248 655610 670980 727356 782810 783021 786732 909195 917854 939372 983415 1039080 1044028 1095934 1174215 1212260 1240680 1305035 1311220 1341960 1376781 1454712 1565620 1566042 1573464 1643901 1818390 1827049 1835708 1878744 1966830 2088056 2191868 2294635 2348430 2424520 2610070 2622440 2739835 2753562 3131240 3132084 3212489 3287802 3636780 3654098 3671416 3915105 3933660 4383736 4589270 4696860 5220140 5479670 5481147 5507124 6264168 6424978 6575604 6883905 7273560 7308196 7830210 7867320 8219505 9135245 9178540 9393720 9637467 10440280 10959340 10962294 11014248 12789343 12849956 13151208 13767810 13833371 14616392 15660420 16062445 16439010 18270490 18357080 19274934 21918680 21924588 25578686 25699912 27405735 27535620 27666742 31320840 32124890 32878020 36540980 38368029 38549868 41500113 43849176 48187335 51157372 54811470 55071240 55333484 63946715 64249780 65756040 69166855 73081960 76736058 77099736 83000226 96374670 96833597 102314744 109622940 110666968 127893430 128499560 138333710 153472116 166000452 191840145 192749340 193667194 207500565 219245880 255786860 276667420 290500791 306944232 332000904 383680290 385498680 387334388 415001130 484167985 511573720 553334840 581001582 677835179 767360580 774668776 830002260 968335970 1162003164 1355670358 1452503955 1534721160 1660004520 1936671940 2033505537 2324006328 2711340716 2905007910 3389175895 3873343880 4067011074 5422681432 5810015820 6778351790 8134022148 10167527685 11620031640 13556703580 16268044296 20335055370 27113407160 40670110740 81340221480
• Sum of all divisors σ(n): 290822244480
• Sum of proper divisors (its aliquot sum) s(n): 209482023000
• 81340221480 is an abundant number, because the sum of its proper divisors (209482023000) is greater than itself. Its abundance is 128141801520

Bases of 81340221480

• Binary: 1001011110000010000010100100000101000₂
• Hexadecimal: 0x12F0414828
• Base-36: 11D7V8KO

Squares and roots of 81340221480

• 81340221480 squared (81340221480²) is 6616231630415453390400
• 81340221480 cubed (81340221480³) is 538165746180974483189752905792000
• The square root of 81340221480 is 285202.0713108515
• The cube root of 81340221480 is 4332.7980798185

Scales and comparisons

• 81,340,221,480 seconds is equal to 2,586 years, 19 weeks, 17 hours, 58 minutes.
• To count from 1 to 81,340,221,480 would take you about five thousand, one hundred seventy-two 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 81340221480 cubic inches would be around 361.1 feet tall.

Recreational maths with 81340221480

• 81340221480 backwards is 08412204318
• The number of decimal digits it has is: 11
• The sum of 81340221480's digits is 33
• More coming soon!