21425713452

Names of 21425713452

• Cardinal: 21425713452 can be written as Twenty-one billion, four hundred twenty-five million, seven hundred thirteen thousand, four hundred fifty-two.

Scientific notation

• Scientific notation: 2.1425713452 × 10¹⁰

Factors of 21425713452

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 173

Divisors of 21425713452

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 71 73 78 99 117 121 132 142 143 146 156 198 213 219 234 242 284 286 292 363 396 426 429 438 468 484 572 639 657 726 781 803 852 858 876 923 949 1089 1278 1287 1314 1452 1562 1573 1606 1716 1846 1898 2178 2343 2409 2556 2574 2628 2769 2847 3124 3146 3212 3692 3796 4356 4686 4719 4818 5148 5183 5329 5538 5694 6292 7029 7227 8307 8541 8591 8833 9372 9438 9636 10153 10366 10439 10658 11076 11388 14058 14157 14454 15549 15987 16614 17082 17182 17666 18876 20306 20732 20878 21316 25773 26499 28116 28314 28908 30459 31098 31317 31974 33228 34164 34364 35332 40612 41756 46647 47961 51546 52998 56628 57013 58619 60918 62196 62634 63948 67379 69277 77319 79497 91377 93294 93951 95922 103092 105996 111683 114026 114829 117238 121836 125268 134758 138554 154638 158994 171039 175857 182754 186588 187902 191844 202137 207831 223366 228052 229658 234476 269516 277108 309276 317988 335049 342078 344487 351714 365508 375804 378359 404274 415662 446732 459316 513117 527571 606411 623493 627143 644809 670098 684156 688974 703428 741169 756718 762047 808548 831324 1005147 1026234 1033461 1055142 1135077 1212822 1246986 1254286 1289618 1340196 1377948 1482338 1513436 1524094 1881429 1934427 2010294 2052468 2066922 2110284 2223507 2270154 2286141 2425644 2493972 2508572 2579236 2964676 3048188 3405231 3762858 3868854 4020588 4133844 4161949 4447014 4540308 4572282 4918667 5644287 5803281 6670521 6810462 6858423 7525716 7737708 8152859 8323898 8382517 8894028 9144564 9837334 11288574 11606562 12485847 13341042 13620924 13716846 14756001 16305718 16647796 16765034 19674668 22577148 23213124 24458577 24971694 25147551 26682084 27433692 29512002 32611436 33530068 37457541 44268003 45781439 48917154 49943388 50295102 54105337 59024004 73375731 74915082 75442653 88536006 91562878 97834308 100590204 108210674 137344317 146751462 149830164 150885306 162316011 177072012 183125756 216421348 274688634 293502924 301770612 324632022 412032951 486948033 549377268 595158707 649264044 824065902 973896066 1190317414 1648131804 1785476121 1947792132 2380634828 3570952242 5356428363 7141904484 10712856726 21425713452
• Sum of all divisors σ(n): 65915649072
• Sum of proper divisors (its aliquot sum) s(n): 44489935620
• 21425713452 is an abundant number, because the sum of its proper divisors (44489935620) is greater than itself. Its abundance is 23064222168

Bases of 21425713452

• Binary: 10011111101000100100111000100101100₂
• Hexadecimal: 0x4FD12712C
• Base-36: 9UCBEB0

Squares and roots of 21425713452

• 21425713452 squared (21425713452²) is 459061196927213756304
• 21425713452 cubed (21425713452³) is 9835713662294624843322062601408
• The square root of 21425713452 is 146375.2487683625
• The cube root of 21425713452 is 2777.4426325439

Scales and comparisons

• 21,425,713,452 seconds is equal to 681 years, 14 weeks, 19 hours, 4 minutes, 12 seconds.
• To count from 1 to 21,425,713,452 would take you about one thousand, three hundred sixty-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 21425713452 cubic inches would be around 231.5 feet tall.

Recreational maths with 21425713452

• 21425713452 backwards is 25431752412
• 21425713452 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21425713452's digits is 36
• More coming soon!