2155721867712

Names of 2155721867712

• Cardinal: 2155721867712 can be written as Two trillion, one hundred fifty-five billion, seven hundred twenty-one million, eight hundred sixty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.155721867712 × 10¹²

Factors of 2155721867712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 769

Divisors of 2155721867712

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 53 54 56 63 64 72 73 84 96 106 108 112 126 144 146 159 168 189 192 212 216 219 224 252 288 292 318 336 371 378 424 432 438 448 477 504 511 576 584 631 636 657 672 742 756 848 864 876 954 1008 1022 1113 1168 1262 1272 1314 1344 1431 1484 1512 1533 1696 1728 1752 1893 1908 1971 2016 2044 2226 2336 2524 2544 2628 2862 2968 3024 3066 3339 3392 3504 3786 3816 3869 3942 4032 4088 4417 4452 4599 4672 5048 5088 5256 5329 5679 5724 5936 6048 6132 6678 7008 7572 7632 7738 7884 8176 8834 8904 9198 10017 10096 10176 10512 10658 11358 11448 11607 11872 12096 12264 13251 13356 13797 14016 15144 15264 15476 15768 15987 16352 17037 17668 17808 18396 20034 20192 21024 21316 22716 22896 23214 23744 24528 26502 26712 27083 27594 30288 30528 30952 31536 31974 32704 33443 34074 34821 35336 35616 36792 37303 39753 40068 40384 42048 42632 45432 45792 46063 46428 47961 49056 53004 53424 54166 55188 60576 61904 63072 63948 66886 68148 69642 70672 71232 73584 74606 79506 80136 81249 85264 90864 91584 92126 92856 95922 98112 100329 104463 106008 106848 108332 110376 111909 119259 121152 123808 126144 127896 133772 136296 138189 139284 141344 143883 147168 149212 159012 160272 162498 170528 181728 184252 185712 191844 200658 208926 212016 213696 216664 220752 223818 234101 238518 243747 247616 255792 267544 272592 276378 278568 282437 282688 287766 294336 298424 300987 318024 320544 322441 324996 335727 341056 363456 368504 371424 383688 401316 414567 417852 424032 433328 441504 447636 468202 477036 487494 511584 535088 545184 552756 557136 564874 575532 596848 601974 636048 641088 644882 649992 671454 702303 731241 737008 742848 767376 802632 829134 835704 847311 848064 866656 883008 895272 902961 936404 954072 967323 974988 1007181 1023168 1070176 1090368 1105512 1114272 1129748 1151064 1193696 1203948 1243701 1272096 1289764 1299984 1342908 1404606 1462482 1474016 1534752 1605264 1658268 1671408 1694622 1733312 1790544 1805922 1872808 1908144 1934646 1949976 1977059 2014362 2106909 2140352 2211024 2228544 2259496 2302128 2387392 2407896 2441339 2487402 2541933 2544192 2579528 2599968 2685816 2809212 2901969 2924964 2948032 3069504 3210528 3316536 3342816 3362599 3389244 3581088 3611844 3745616 3816288 3869292 3899952 3954118 4028724 4213818 4422048 4518992 4604256 4815792 4882678 4974804 5083866 5159056 5199936 5371632 5618424 5803938 5849928 5931177 6320727 6421056 6633072 6685632 6725198 6778488 7162176 7223688 7324017 7491232 7625799 7632576 7738584 7799904 7908236 8057448 8427636 8705907 8844096 9037984 9208512 9631584 9765356 9949608 10087797 10167732 10318112 10743264 11236848 11607876 11699856 11862354 12641454 13266144 13450396 13556976 14447376 14648034 14982464 15251598 15477168 15599808 15816472 16114896 16855272 17089373 17411814 17793531 18075968 19263168 19530712 19899216 20175594 20335464 20636224 21486528 21972051 22473696 23215752 23399712 23538193 23724708 25282908 26532288 26900792 27113952 28894752 29296068 30263391 30503196 30954336 31632944 32229792 33710544 34178746 34823628 35587062 39061424 39798432 40351188 40670928 43944102 44947392 46431504 46799424 47076386 47449416 50565816 51268119 53380593 53801584 54227904 57789504 58592136 60526782 61006392 61908672 63265888 64459584 65916153 67421088 68357492 69647256 70614579 71174124 78122848 79596864 80702376 81341856 87888204 90790173 92863008 94152772 94898832 101131632 102536238 106761186 107603168 117184272 121053564 122012784 126531776 131832306 134842176 136714984 139294512 141229158 142348248 153804357 156245696 161404752 162683712 175776408 178217747 181580346 185726016 188305544 189797664 202263264 205072476 211843737 213522372 215206336 234368544 242107128 244025568 263664612 273429968 278589024 282458316 284696496 307608714 322809504 351552816 356435494 363160692 376611088 379595328 404526528 410144952 423687474 427044744 461413071 468737088 484214256 488051136 527329224 534653241 546859936 557178048 564916632 569392992 615217428 635531211 645619008 703105632 712870988 726321384 753222176 820289904 847374948 854089488 922826142 968428512 1054658448 1069306482 1093719872 1129833264 1138785984 1230434856 1247524229 1271062422 1406211264 1425741976 1452642768 1506444352 1603959723 1640579808 1694749896 1708178976 1845652284 1936857024 2109316896 2138612964 2259666528 2460869712 2495048458 2542124844 2851483952 2905285536 3207919446 3281159616 3389499792 3416357952 3691304568 3742572687 4218633792 4277225928 4519333056 4811879169 4921739424 4990096916 5084249688 5702967904 5810571072 6415838892 6778999584 7382609136 7485145374 8554451856 9623758338 9843478848 9980193832 10168499376 11227718061 11405935808 12831677784 13557999168 14765218272 14970290748 17108903712 19247516676 19960387664 20336998752 22455436122 25663355568 29530436544 29940581496 33683154183 34217807424 38495033352 39920775328 40673997504 44910872244 51326711136 59881162992 67366308366 76990066704 79841550656 89821744488 102653422272 119762325984 134732616732 153980133408 179643488976 239524651968 269465233464 307960266816 359286977952 538930466928 718573955904 1077860933856 2155721867712
• Sum of all divisors σ(n): 7493755253760
• Sum of proper divisors (its aliquot sum) s(n): 5338033386048
• 2155721867712 is an abundant number, because the sum of its proper divisors (5338033386048) is greater than itself. Its abundance is 3182311518336

Bases of 2155721867712

• Binary: 11111010111101011000010010100000111000000₂
• Hexadecimal: 0x1F5EB0941C0
• Base-36: RIBP52O0

Squares and roots of 2155721867712

• 2155721867712 squared (2155721867712²) is 4647136770931713628114944
• 2155721867712 cubed (2155721867712³) is 10017934359346026412812670873498288128
• The square root of 2155721867712 is 1468237.6741222791
• The cube root of 2155721867712 is 12918.0682805611

Scales and comparisons

• 2,155,721,867,712 seconds is equal to 68,545 years, 14 weeks, 6 days, 13 hours, 55 minutes, 12 seconds.
• To count from 1 to 2,155,721,867,712 would take you about one hundred seventy-one thousand, three hundred sixty-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 2155721867712 cubic inches would be around 1076.5 feet tall.

Recreational maths with 2155721867712

• 2155721867712 backwards is 2177681275512
• 2155721867712 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 2155721867712's digits is 54
• More coming soon!