1221466428
1,221,466,428 is an even composite number composed of seven prime numbers multiplied together.
1221466428 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 1221466428:
22 × 32 × 7 × 132 × 23 × 29 × 43
(2 × 2 × 3 × 3 × 7 × 13 × 13 × 23 × 29 × 43)See below for interesting mathematical facts about the number 1221466428 from the Numbermatics database.
Names of 1221466428
- Cardinal: 1221466428 can be written as One billion, two hundred twenty-one million, four hundred sixty-six thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 1.221466428 × 109
Factors of 1221466428
Divisors of 1221466428
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 23 26 28 29 36 39 42 43 46 52 58 63 69 78 84 86 87 91 92 116 117 126 129 138 156 161 169 172 174 182 203 207 234 252 258 261 273 276 299 301 322 338 348 364 377 387 406 414 468 483 507 516 522 546 559 598 602 609 644 667 676 754 774 812 819 828 897 903 966 989 1014 1044 1092 1118 1131 1183 1196 1204 1218 1247 1334 1449 1508 1521 1548 1638 1677 1794 1806 1827 1932 1978 2001 2028 2093 2236 2262 2366 2436 2494 2639 2668 2691 2709 2898 2967 3042 3276 3354 3393 3549 3588 3612 3654 3741 3887 3913 3956 4002 4186 4524 4669 4732 4901 4988 5031 5278 5382 5418 5796 5934 6003 6084 6279 6708 6786 6923 7098 7267 7308 7482 7774 7826 7917 8004 8372 8671 8729 8901 9338 9802 10062 10556 10647 10764 10836 11223 11661 11739 11868 12006 12558 12857 13572 13846 14007 14196 14534 14703 14964 15548 15652 15834 16211 17342 17458 17802 18676 18837 19604 20124 20769 21294 21801 22446 23322 23478 23751 24012 25116 25714 26013 26187 27209 27692 28014 28681 29068 29406 31668 32422 34307 34684 34916 34983 35217 35604 37674 38571 41538 42021 42588 43602 44109 44892 46644 46956 47502 48633 50869 51428 52026 52374 54418 56028 57362 58812 60697 62307 64844 65403 68614 69966 70434 75348 77142 78039 78561 81627 83076 84042 86043 87204 88218 89999 95004 97266 101738 102921 104052 104748 108836 112723 113477 114724 115713 121394 124614 130806 137228 139932 140868 145899 152607 154284 156078 157122 163254 167141 168084 172086 176436 179998 182091 194532 200767 203476 205842 210743 225446 226954 231426 242788 244881 249228 258129 261612 269997 291798 305214 308763 312156 314244 326508 334282 338169 340431 344172 359996 364182 372853 401534 411684 421486 450892 453908 457821 462852 489762 501423 516258 539994 546273 583596 602301 610428 617526 632229 668564 676338 680862 728364 745706 789061 803068 809991 842972 915642 979524 1002846 1014507 1021293 1032516 1079988 1092546 1118559 1169987 1204602 1235052 1264458 1352676 1361724 1475201 1491412 1504269 1578122 1619982 1806903 1831284 1896687 2005692 2029014 2042586 2185092 2237118 2339974 2367183 2409204 2528916 2609971 2950402 3008538 3156244 3239964 3355677 3509961 3613806 3793374 4058028 4085172 4425603 4474236 4679948 4734366 4847089 5219942 5900804 6017076 6711354 7019922 7101549 7227612 7586748 7829913 8851206 9468732 9694178 10439884 10529883 13276809 13422708 14039844 14203098 14541267 15659826 17702412 19388356 21059766 23489739 26553618 28406196 29082534 31319652 33929623 42119532 43623801 46979478 53107236 58165068 67859246 87247602 93958956 101788869 135718492 174495204 203577738 305366607 407155476 610733214 1221466428
- Sum of all divisors σ(n): 4220536320
- Sum of proper divisors (its aliquot sum) s(n): 2999069892
- 1221466428 is an abundant number, because the sum of its proper divisors (2999069892) is greater than itself. Its abundance is 1777603464
Bases of 1221466428
- Binary: 10010001100111000011001001111002
- Hexadecimal: 0x48CE193C
- Base-36: K789J0
Squares and roots of 1221466428
- 1221466428 squared (12214664282) is 1491980234731079184
- 1221466428 cubed (12214664283) is 1822403767963572831465634752
-
The
square root of 1221466428 is 34949.4839446881 -
The
cube root of 1221466428 is 1068.9576794731
Scales and comparisons
How big is 1221466428?- 1,221,466,428 seconds is equal to 38 years, 43 weeks, 4 days, 8 hours, 13 minutes, 48 seconds.
-
To count from 1 to 1,221,466,428 would take you about seventy-seven 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 1221466428 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221466428
- 1221466428 backwards is 8246641221
- 1221466428 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221466428's digits is 36
- More coming soon!
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The information we have on file for 1221466428 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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