45505990728

Names of 45505990728

• Cardinal: 45505990728 can be written as Forty-five billion, five hundred five million, nine hundred ninety thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.5505990728 × 10¹⁰

Factors of 45505990728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 190

Divisors of 45505990728

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 17 18 22 23 24 27 33 34 36 44 46 51 54 61 66 68 69 72 73 88 92 99 102 108 121 122 132 136 138 146 153 183 184 187 198 204 207 216 219 242 244 253 264 276 292 297 306 363 366 374 391 396 408 414 438 459 484 488 506 549 552 561 584 594 612 621 657 671 726 732 748 759 782 792 803 828 876 918 968 1012 1037 1089 1098 1122 1173 1188 1224 1241 1242 1314 1342 1403 1452 1464 1496 1518 1564 1606 1647 1656 1679 1683 1752 1836 1971 2013 2024 2057 2074 2178 2196 2244 2277 2346 2376 2409 2482 2484 2628 2684 2783 2806 2904 3036 3111 3128 3212 3267 3294 3358 3366 3519 3672 3723 3942 4026 4114 4148 4209 4301 4356 4392 4453 4488 4554 4692 4818 4964 4968 5037 5049 5256 5368 5566 5612 6039 6072 6171 6222 6424 6534 6588 6716 6732 6831 7038 7227 7381 7446 7884 8052 8228 8296 8349 8418 8602 8712 8833 8906 9108 9333 9384 9636 9928 10074 10098 10557 11132 11169 11224 11407 12078 12342 12444 12627 12903 13068 13176 13359 13432 13464 13651 13662 14076 14454 14762 14892 15111 15433 15768 16104 16456 16698 16836 17204 17666 17812 18117 18216 18469 18513 18666 19272 20148 20196 21114 21681 22143 22264 22338 22814 23851 24156 24684 24888 25047 25254 25806 26136 26499 26718 27302 27324 27999 28152 28543 28908 29524 29784 30222 30866 33396 33507 33672 34221 34408 35332 35624 36234 36938 37026 37332 37881 38709 40077 40296 40392 40953 42228 43362 44286 44676 45333 45628 46299 47311 47702 48312 48983 49368 50094 50508 51612 52998 53436 54604 54648 55407 55539 55998 57086 57816 59048 60444 61732 66429 66792 67014 68442 70664 71553 72468 73876 74052 74664 75141 75701 75762 77418 79497 80154 81906 84456 85629 86724 88572 89352 90666 91256 92598 94622 95404 97966 100188 101016 102419 102663 103224 105996 106872 109208 110814 111078 111996 114172 116127 120231 120888 122859 123464 125477 132858 134028 136884 138897 141933 143106 144936 146949 147752 148104 150161 150282 151402 151524 154836 158994 160308 163812 166221 169763 171258 173448 177144 181332 185196 189244 190808 195932 199287 200376 203159 204838 205326 211992 214659 221628 222156 223992 227103 228344 232254 238491 240462 245718 250954 256887 262361 265716 268056 273768 277794 283866 286212 293898 300322 300564 302804 303048 307257 307989 309672 313973 317988 320616 327624 332442 339526 342516 362664 368577 370392 376431 378488 391864 398574 406318 409676 410652 416691 425799 429318 440847 443256 444312 450483 454206 464508 476982 480924 491436 498663 501908 509289 513774 524722 531432 538813 555588 567732 572424 587796 600644 601128 605608 609477 614514 615978 627946 635976 643977 664884 679052 681309 685032 737154 752862 770661 787083 797148 812636 819352 821304 832711 833382 851598 858636 881694 900966 908412 921771 929016 941919 953964 961848 982872 997326 1003816 1018578 1027548 1049444 1077626 1111176 1126609 1129293 1135464 1175592 1201288 1218954 1229028 1231956 1255892 1277397 1287954 1322541 1329768 1351449 1358104 1362618 1474308 1505724 1527867 1541322 1574166 1594296 1616439 1625272 1665422 1666764 1703196 1717272 1741123 1763388 1801932 1816824 1828431 1843542 1883838 1907928 1994652 2037156 2043927 2055096 2098888 2155252 2253218 2258586 2361249 2437908 2458056 2463912 2498133 2511784 2554794 2575908 2645082 2702898 2725236 2765313 2825757 2885971 2948616 3011448 3055734 3082644 3148332 3232878 3330844 3333528 3379827 3387879 3406392 3453703 3482246 3526776 3603864 3656862 3687084 3767676 3989304 4054347 4074312 4087854 4310504 4506436 4517172 4583601 4722498 4849317 4875816 4996266 5109588 5151816 5223369 5290164 5405796 5450472 5485293 5530626 5651514 5771942 6111468 6165288 6296664 6465756 6661688 6759654 6775758 6907406 6964492 7083747 7313724 7374168 7494399 7535352 8108694 8175708 8477271 8657913 9012872 9034344 9159821 9167202 9444996 9698634 9992532 10139481 10219176 10361109 10446738 10580328 10811592 10970586 11061252 11303028 11543884 12222936 12392699 12931512 13519308 13551516 13814812 13928984 14167494 14547951 14627448 14988798 15670107 16217388 16351416 16954542 17315826 18319642 18334404 18889992 19152353 19397268 19985064 20278962 20722218 20893476 21941172 22122504 22483197 22606056 23087768 24785398 25973739 27038616 27103032 27479463 27629624 28334988 29095902 29977596 30418443 31083327 31340214 32434776 33909084 34631652 36639284 36668808 37178097 38304706 38794536 40557924 41444436 41786952 43882344 44966394 47010321 49570796 51947478 54958926 56669976 57457059 58191804 59955192 60836886 62166654 62680428 67818168 69263304 73278568 74356194 76609412 77921217 81115848 82438389 82888872 89932788 93249981 94020642 99141592 103894956 109917852 111534291 114914118 116383608 121673772 124333308 125360856 148712388 153218824 155842434 164876778 172371177 179865576 186499962 188041284 207789912 210675883 219835704 223068582 229828236 243347544 247315167 248666616 297424776 311684868 329753556 334602873 344742354 372999924 376082568 421351766 446137164 459656472 494630334 517113531 623369736 632027649 659507112 669205746 689484708 745999848 842703532 892274328 989260668 1034227062 1264055298 1338411492 1378969416 1685407064 1896082947 1978521336 2068454124 2528110596 2676822984 3792165894 4136908248 5056221192 5688248841 7584331788 11376497682 15168663576 22752995364 45505990728
• Sum of all divisors σ(n): 158164876800
• Sum of proper divisors (its aliquot sum) s(n): 112658886072
• 45505990728 is an abundant number, because the sum of its proper divisors (112658886072) is greater than itself. Its abundance is 67152895344

Bases of 45505990728

• Binary: 101010011000010111100101000001001000₂
• Hexadecimal: 0xA985E5048
• Base-36: KWL3B60

Squares and roots of 45505990728

• 45505990728 squared (45505990728²) is 2070795192136821969984
• 45505990728 cubed (45505990728³) is 94233586812965199073478598308352
• The square root of 45505990728 is 213321.3320978471
• The cube root of 45505990728 is 3570.1751654749

Scales and comparisons

• 45,505,990,728 seconds is equal to 1,446 years, 49 weeks, 2 days, 16 hours, 58 minutes, 48 seconds.
• To count from 1 to 45,505,990,728 would take you about two thousand, eight hundred ninety-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 45505990728 cubic inches would be around 297.5 feet tall.

Recreational maths with 45505990728

• 45505990728 backwards is 82709950554
• 45505990728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 45505990728's digits is 54
• More coming soon!