12155905008

Names of 12155905008

• Cardinal: 12155905008 can be written as Twelve billion, one hundred fifty-five million, nine hundred five thousand and eight.

Scientific notation

• Scientific notation: 1.2155905008 × 10¹⁰

Factors of 12155905008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 221

Divisors of 12155905008

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 36 39 41 48 52 54 62 72 78 82 93 104 108 117 123 124 131 144 156 164 169 186 208 216 234 246 248 262 279 312 328 338 351 369 372 393 403 432 468 492 496 507 524 533 558 624 656 676 702 738 744 786 806 837 936 984 1014 1048 1066 1107 1116 1179 1209 1271 1352 1404 1476 1488 1521 1572 1599 1612 1674 1703 1872 1968 2028 2096 2132 2214 2232 2358 2418 2542 2704 2808 2952 3042 3144 3198 3224 3348 3406 3537 3627 3813 4056 4061 4264 4428 4464 4563 4716 4797 4836 5084 5109 5239 5371 5616 5904 6084 6288 6396 6448 6696 6812 6929 7074 7254 7626 8112 8122 8528 8856 9126 9432 9594 9672 10168 10218 10478 10742 10881 11439 12168 12183 12792 13392 13624 13858 14148 14391 14508 15252 15327 15717 16113 16244 16523 17712 18252 18864 19188 19344 20336 20436 20787 20956 21484 21762 22139 22878 24336 24366 25584 27248 27716 28296 28782 29016 30504 30654 31434 32226 32488 33046 34317 36504 36549 38376 40872 41574 41912 42968 43524 44278 45756 45981 47151 48339 48732 49569 52793 55432 56592 57564 58032 61008 61308 62361 62868 64452 64976 66092 66417 68634 69823 73008 73098 76752 81744 83148 83824 85936 87048 88556 91512 91962 94302 96678 97464 99138 105586 109647 110864 115128 122616 124722 125736 128904 132184 132834 137268 139646 141453 145017 146196 148707 158379 166296 166501 174096 177112 183024 183924 187083 188604 193356 194928 198276 199251 209469 211172 214799 219294 230256 245232 249444 251472 257808 264368 265668 274536 279292 282906 290034 292392 297414 316758 332592 333002 354224 367848 374166 377208 386712 396552 398502 418938 422344 429598 438588 446121 475137 498888 499503 531336 549072 558584 565812 580068 584784 594828 597753 628407 633516 644397 666004 686309 735696 748332 754416 773424 793104 797004 837876 844688 859196 877176 892242 907699 950274 997776 999006 1062672 1117168 1131624 1160136 1189656 1195506 1256814 1267032 1288794 1332008 1372618 1425411 1496664 1498509 1594008 1675752 1718392 1754352 1784484 1815398 1885221 1900548 1933191 1998012 2058927 2164513 2263248 2320272 2379312 2391012 2513628 2534064 2577588 2664016 2723097 2745236 2850822 2993328 2997018 3188016 3351504 3436784 3568968 3630796 3770442 3801096 3866382 3996024 4117854 4329026 4495527 4782024 5027256 5155176 5446194 5490472 5701644 5799573 5994036 6176781 6493539 7137936 7261592 7540884 7602192 7732764 7992048 8169291 8235708 8658052 8991054 9564048 10054512 10310352 10892388 10980944 11403288 11599146 11988072 12353562 12987078 14523184 15081768 15465528 16338582 16471416 17316104 17982108 18530343 19480617 21784776 22806576 23198292 23976144 24507873 24707124 25974156 28138669 30163536 30931056 32677164 32942832 34632208 35964216 37060686 38961234 43569552 46396584 49015746 49414248 51948312 56277338 58441851 65354328 71928432 74121372 77922468 84416007 92793168 98031492 98828496 103896624 112554676 116883702 130708656 148242744 155844936 168832014 196062984 225109352 233767404 253248021 296485488 311689872 337664028 392125968 450218704 467534808 506496042 675328056 759744063 935069616 1012992084 1350656112 1519488126 2025984168 3038976252 4051968336 6077952504 12155905008
• Sum of all divisors σ(n): 40257423360
• Sum of proper divisors (its aliquot sum) s(n): 28101518352
• 12155905008 is an abundant number, because the sum of its proper divisors (28101518352) is greater than itself. Its abundance is 15945613344

Bases of 12155905008

• Binary: 1011010100100011000110001111110000₂
• Hexadecimal: 0x2D48C63F0
• Base-36: 5L1B8C0

Squares and roots of 12155905008

• 12155905008 squared (12155905008²) is 147766026563519480064
• 12155905008 cubed (12155905008³) is 1796229782315747477815533760512
• The square root of 12155905008 is 110253.8208317517
• The cube root of 12155905008 is 2299.3006700571

Scales and comparisons

• 12,155,905,008 seconds is equal to 386 years, 27 weeks, 8 hours, 16 minutes, 48 seconds.
• To count from 1 to 12,155,905,008 would take you about seven hundred seventy-three 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 12155905008 cubic inches would be around 191.6 feet tall.

Recreational maths with 12155905008

• 12155905008 backwards is 80050955121
• 12155905008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12155905008's digits is 36
• More coming soon!