72161613396

Names of 72161613396

• Cardinal: 72161613396 can be written as Seventy-two billion, one hundred sixty-one million, six hundred thirteen thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 7.2161613396 × 10¹⁰

Factors of 72161613396

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 118

Divisors of 72161613396

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 23 27 34 36 46 51 54 68 69 73 81 92 102 108 138 146 153 162 204 207 219 243 276 289 292 306 324 391 414 438 459 486 578 612 621 657 729 782 828 867 876 918 972 1156 1173 1241 1242 1314 1377 1458 1564 1679 1734 1836 1863 1971 2187 2346 2482 2484 2601 2628 2754 2916 3358 3468 3519 3723 3726 3942 4131 4374 4692 4913 4964 5037 5202 5508 5589 5913 6647 6716 7038 7446 7452 7803 7884 8262 8748 9826 10074 10404 10557 11169 11178 11826 12393 13294 14076 14739 14892 15111 15606 16524 16767 17739 19652 19941 20148 21097 21114 22338 22356 23409 23652 24786 26588 28543 29478 30222 31212 31671 33507 33534 35478 37179 39882 42194 42228 44217 44676 45333 46818 49572 50301 53217 57086 58956 59823 60444 63291 63342 67014 67068 70227 70956 74358 79764 84388 85629 88434 90666 93636 95013 100521 100602 106434 112999 114172 119646 126582 126684 132651 134028 135999 140454 148716 159651 171258 176868 179469 181332 189873 190026 201042 201204 210681 212868 225998 239292 253164 256887 265302 271998 280908 285039 301563 319302 338997 342516 358649 358938 379746 380052 397953 402084 407997 421362 451996 485231 513774 530604 538407 543996 569619 570078 603126 632043 638604 677994 717298 717876 759492 770661 795906 815994 842724 855117 904689 970462 1016991 1027548 1075947 1076814 1139238 1140156 1193859 1206252 1223991 1264086 1355988 1434596 1455693 1541322 1591812 1615221 1631988 1708857 1710234 1809378 1940924 2033982 2151894 2153628 2278476 2311983 2387718 2447982 2528172 2714067 2911386 3050973 3082644 3227841 3230442 3417714 3420468 3581577 3618756 3671973 4067964 4303788 4367079 4623966 4775436 4845663 4895964 5126571 5428134 5822772 6101946 6455682 6460884 6835428 6935949 7163154 7343946 8248927 8734158 9152919 9247932 9683523 9691326 10253142 10744731 10856268 12203892 12911364 13101237 13871898 14326308 14536989 14687892 15379713 16497854 17468316 18305838 19367046 19382652 20506284 20807847 21489462 24746781 26202474 27458757 27743796 29050569 29073978 30759426 32995708 36611676 38734092 39303711 41615694 42978924 46139139 49493562 52404948 54917514 58101138 58147956 61518852 62423541 74240343 78607422 82376271 83231388 87151707 92278278 98987124 109835028 116202276 117911133 124847082 148480686 157214844 164752542 174303414 184556556 222721029 235822266 247128813 249694164 261455121 296961372 329505084 348606828 353733399 445442058 471644532 494257626 522910242 668163087 707466798 784365363 890884116 988515252 1045820484 1061200197 1336326174 1414933596 1568730726 2004489261 2122400394 2672652348 3137461452 4008978522 4244800788 6013467783 8017957044 12026935566 18040403349 24053871132 36080806698 72161613396
• Sum of all divisors σ(n): 212855731200
• Sum of proper divisors (its aliquot sum) s(n): 140694117804
• 72161613396 is an abundant number, because the sum of its proper divisors (140694117804) is greater than itself. Its abundance is 68532504408

Bases of 72161613396

• Binary: 1000011001101001010101101011001010100₂
• Hexadecimal: 0x10CD2AD654
• Base-36: X5F5T90

Squares and roots of 72161613396

• 72161613396 squared (72161613396²) is 5207298447913766652816
• 72161613396 cubed (72161613396³) is 375767057435944071946665146723136
• The square root of 72161613396 is 268629.1372803777
• The cube root of 72161613396 is 4163.2779997929

Scales and comparisons

• 72,161,613,396 seconds is equal to 2,294 years, 26 weeks, 5 days, 20 hours, 36 minutes, 36 seconds.
• To count from 1 to 72,161,613,396 would take you about four thousand, five hundred eighty-nine 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 72161613396 cubic inches would be around 346.9 feet tall.

Recreational maths with 72161613396

• 72161613396 backwards is 69331616127
• The number of decimal digits it has is: 11
• The sum of 72161613396's digits is 45
• More coming soon!