21073212804

Names of 21073212804

• Cardinal: 21073212804 can be written as Twenty-one billion, seventy-three million, two hundred twelve thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1073212804 × 10¹⁰

Factors of 21073212804

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 732

Divisors of 21073212804

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 37 42 73 74 84 111 146 148 219 222 259 292 293 317 438 444 511 518 586 634 777 876 879 951 1022 1036 1172 1268 1533 1554 1758 1902 2044 2051 2219 2701 3066 3108 3516 3804 4102 4438 5402 6132 6153 6657 8103 8204 8876 10804 10841 11729 12306 13314 16206 18907 21389 21682 23141 23458 24612 26628 32412 32523 35187 37814 42778 43364 46282 46916 56721 64167 65046 69423 70374 75628 75887 82103 85556 92564 92881 113442 128334 130092 138846 140748 149723 151774 161987 164206 185762 226884 227661 246309 256668 277692 278643 299446 303548 323974 328412 371524 449169 455322 485961 492618 557286 598892 647948 650167 791393 856217 898338 910644 971922 985236 1114572 1300334 1582786 1712434 1796676 1943844 1950501 2374179 2568651 2600668 3165572 3424868 3436597 3901002 4748358 5137302 5539751 5993519 6780313 6873194 7802004 9496716 10274604 10309791 11079502 11987038 13560626 13746388 16619253 17980557 20340939 20619582 22159004 23974076 24056179 27121252 33238506 35961114 40681878 41239164 47462191 48112358 66477012 71922228 72168537 81363756 94924382 96224716 142386573 144337074 189848764 250871581 284773146 288674148 501743162 569546292 752614743 1003486324 1505229486 1756101067 3010458972 3512202134 5268303201 7024404268 10536606402 21073212804
• Sum of all divisors σ(n): 58889488896
• Sum of proper divisors (its aliquot sum) s(n): 37816276092
• 21073212804 is an abundant number, because the sum of its proper divisors (37816276092) is greater than itself. Its abundance is 16743063288

Bases of 21073212804

• Binary: 10011101000000011111011010110000100₂
• Hexadecimal: 0x4E80FB584
• Base-36: 9OIG32C

Squares and roots of 21073212804

• 21073212804 squared (21073212804²) is 444080297882669542416
• 21073212804 cubed (21073212804³) is 9358198619345205890941672294464
• The square root of 21073212804 is 145166.1558490823
• The cube root of 21073212804 is 2762.1266255243

Scales and comparisons

• 21,073,212,804 seconds is equal to 670 years, 3 weeks, 1 day, 22 hours, 13 minutes, 24 seconds.
• To count from 1 to 21,073,212,804 would take you about one thousand, three hundred forty 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 21073212804 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073212804

• 21073212804 backwards is 40821237012
• The number of decimal digits it has is: 11
• The sum of 21073212804's digits is 30
• More coming soon!