21149133897728

Names of 21149133897728

• Cardinal: 21149133897728 can be written as Twenty-one trillion, one hundred forty-nine billion, one hundred thirty-three million, eight hundred ninety-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1149133897728 × 10¹³

Factors of 21149133897728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 1506

Divisors of 21149133897728

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 89 97 116 128 178 194 232 256 356 388 464 512 712 776 928 1024 1289 1424 1552 1856 2048 2578 2581 2813 2848 3104 3712 4096 5156 5162 5626 5696 6208 7424 8192 8633 10312 10324 11252 11392 12416 14848 16384 17266 20624 20648 22504 22784 24832 29696 32768 34532 37381 41248 41296 45008 45568 49664 59392 65536 69064 74762 82496 82592 90016 91136 99328 114721 118784 125033 138128 149524 164992 165184 180032 182272 198656 229442 237568 250066 250357 276256 299048 329984 330368 360064 364544 397312 458884 475136 500132 500714 552512 598096 659968 660736 720128 729088 794624 917768 950272 1000264 1001428 1105024 1196192 1319936 1321472 1440256 1458176 1589248 1835536 1900544 2000528 2002856 2210048 2392384 2639872 2642944 2880512 2916352 3178496 3326909 3625957 3671072 4001056 4005712 4420096 4784768 5279744 5285888 5761024 5832704 6356992 6653818 7251914 7342144 8002112 8011424 8840192 9569536 10559488 10571776 11127937 11522048 13307636 14503828 14684288 16004224 16022848 17680384 19139072 21118976 21143552 22255874 23044096 26615272 29007656 29368576 32008448 32045696 35360768 38278144 42237952 42287104 44511748 46088192 53230544 58015312 58737152 64016896 64091392 70721536 76556288 84475904 84574208 89023496 92176384 106461088 116030624 117474304 128033792 128182784 141443072 153112576 169148416 178046992 184352768 212922176 232061248 234948608 256067584 256365568 282886144 306225152 322710173 356093984 425844352 464122496 469897216 512135168 512731136 565772288 612450304 645420346 712187968 851688704 928244992 939794432 1024270336 1025462272 1224900608 1290840692 1424375936 1703377408 1856489984 1879588864 2048540672 2050924544 2449801216 2581681384 2848751872 3406754816 3712979968 3759177728 4097081344 4101849088 5163362768 5697503744 6813509632 7425959936 7518355456 8194162688 8203698176 10326725536 11395007488 13627019264 14851919872 16407396352 20653451072 22790014976 27254038528 29703839744 41306902144 45580029952 54508077056 59407679488 82613804288 91160059904 109016154112 118815358976 165227608576 182320119808 218032308224 237630717952 330455217152 364640239616 660910434304 729280479232 1321820868608 2643641737216 5287283474432 10574566948864 21149133897728
• Sum of all divisors σ(n): 44738988714000
• Sum of proper divisors (its aliquot sum) s(n): 23589854816272
• 21149133897728 is an abundant number, because the sum of its proper divisors (23589854816272) is greater than itself. Its abundance is 2440720918544

Bases of 21149133897728

• Binary: 100110011110000101010100111010000000000000000₂
• Hexadecimal: 0x133C2A9D0000
• Base-36: 7HVS09NNK

Squares and roots of 21149133897728

• 21149133897728 squared (21149133897728²) is 447285864624027545563561984
• 21149133897728 cubed (21149133897728³) is 9459708641494598233986332777045244772352
• The square root of 21149133897728 is 4598818.7502583747
• The cube root of 21149133897728 is 27654.3971536953

Scales and comparisons

• 21,149,133,897,728 seconds is equal to 672,477 years, 2 weeks, 8 hours, 2 minutes, 8 seconds.
• To count from 1 to 21,149,133,897,728 would take you about one million, six hundred eighty-one thousand, one hundred ninety-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 21149133897728 cubic inches would be around 2304.5 feet tall.

Recreational maths with 21149133897728

• 21149133897728 backwards is 82779833194112
• The number of decimal digits it has is: 14
• The sum of 21149133897728's digits is 65
• More coming soon!