231210721728

Names of 231210721728

• Cardinal: 231210721728 can be written as Two hundred thirty-one billion, two hundred ten million, seven hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.31210721728 × 10¹¹

Factors of 231210721728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2749

Divisors of 231210721728

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 59 63 64 72 84 96 108 112 118 126 127 144 168 177 189 192 216 224 236 252 254 288 336 354 378 381 413 432 448 472 504 508 531 576 672 708 756 762 826 864 889 944 1008 1016 1062 1143 1239 1344 1416 1512 1524 1593 1652 1728 1778 1888 2016 2032 2124 2286 2478 2551 2667 2832 3024 3048 3186 3304 3429 3556 3717 3776 4032 4064 4248 4572 4956 5102 5334 5664 6048 6096 6372 6608 6858 7112 7434 7493 7653 8001 8128 8496 9144 9912 10204 10668 11151 11328 12096 12192 12744 13216 13716 14224 14868 14986 15306 16002 16992 17857 18288 19824 20408 21336 22302 22479 22959 24003 24384 25488 26432 27432 28448 29736 29972 30612 32004 33984 35714 36576 39648 40816 42672 44604 44958 45918 48006 50976 52451 53571 54864 56896 59472 59944 61224 64008 67437 68877 71428 73152 79296 81632 85344 89208 89916 91836 96012 101952 104902 107142 109728 118944 119888 122448 128016 134874 137754 142856 150509 157353 160713 163264 170688 178416 179832 183672 192024 202311 209804 214284 219456 237888 239776 244896 256032 269748 275508 285712 301018 314706 321426 323977 356832 359664 367344 384048 404622 419608 428568 451527 472059 479552 482139 489792 512064 539496 551016 571424 602036 629412 642852 647954 713664 719328 734688 768096 809244 839216 857136 903054 944118 964278 971931 1053563 1078992 1102032 1142848 1204072 1258824 1285704 1295908 1354581 1416177 1438656 1469376 1536192 1618488 1678432 1714272 1806108 1888236 1928556 1943862 2107126 2157984 2204064 2267839 2408144 2517648 2571408 2591816 2709162 2832354 2915793 3160689 3236976 3356864 3428544 3612216 3776472 3857112 3887724 4063743 4214252 4315968 4408128 4535678 4816288 5035296 5142816 5183632 5418324 5664708 5831586 6321378 6473952 6803517 7224432 7552944 7714224 7775448 8127486 8428504 8747379 9071356 9482067 9632576 10070592 10285632 10367264 10836648 11329416 11663172 12642756 12947904 13607034 14448864 15105888 15428448 15550896 16254972 16857008 17494758 18142712 18964134 19114643 20410551 20734528 21673296 22658832 23326344 25285512 27214068 28446201 28897728 30211776 30856896 31101792 32509944 33714016 34989516 36285424 37928268 38229286 40821102 43346592 45317664 46652688 50571024 54428136 56892402 57343929 61231653 62203584 65019888 67428032 69979032 72570848 75856536 76458572 81642204 86693184 90635328 93305376 101142048 108856272 113784804 114687858 122463306 130039776 133802501 139958064 145141696 151713072 152917144 163284408 172031787 186610752 202284096 217712544 227569608 229375716 244926612 260079552 267605002 279916128 303426144 305834288 326568816 344063574 401407503 435425088 455139216 458751432 489853224 516095361 535210004 559832256 606852288 611668576 653137632 688127148 802815006 910278432 917502864 979706448 1032190722 1070420008 1204222509 1223337152 1306275264 1376254296 1605630012 1820556864 1835005728 1959412896 2064381444 2140840016 2408445018 2752508592 3211260024 3612667527 3670011456 3918825792 4128762888 4281680032 4816890036 5505017184 6422520048 7225335054 8257525776 8563360064 9633780072 11010034368 12845040096 14450670108 16515051552 19267560144 25690080192 28901340216 33030103104 38535120288 57802680432 77070240576 115605360864 231210721728
• Sum of all divisors σ(n): 796517990400
• Sum of proper divisors (its aliquot sum) s(n): 565307268672
• 231210721728 is an abundant number, because the sum of its proper divisors (565307268672) is greater than itself. Its abundance is 334096546944

Bases of 231210721728

• Binary: 11010111010101001110111010000111000000₂
• Hexadecimal: 0x35D53BA1C0
• Base-36: 2Y7SW6O0

Squares and roots of 231210721728

• 231210721728 squared (231210721728²) is 53458397841982651305984
• 231210721728 cubed (231210721728³) is 12360154747467366506911522405220352
• The square root of 231210721728 is 480843.7602049131
• The cube root of 231210721728 is 6137.6575938275

Scales and comparisons

• 231,210,721,728 seconds is equal to 7,351 years, 40 weeks, 6 days, 28 minutes, 48 seconds.
• To count from 1 to 231,210,721,728 would take you about fourteen thousand, seven hundred 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 231210721728 cubic inches would be around 511.5 feet tall.

Recreational maths with 231210721728

• 231210721728 backwards is 827127012132
• 231210721728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 231210721728's digits is 36
• More coming soon!