21103428528

Names of 21103428528

• Cardinal: 21103428528 can be written as Twenty-one billion, one hundred three million, four hundred twenty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1103428528 × 10¹⁰

Factors of 21103428528

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 334

Divisors of 21103428528

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 29 36 39 42 48 52 54 56 58 63 72 78 84 87 91 104 107 108 112 116 117 126 144 156 168 173 174 182 189 203 208 214 216 232 234 252 261 273 312 321 336 346 348 351 364 377 378 406 428 432 464 468 504 519 522 546 609 624 642 692 696 702 728 749 754 756 783 812 819 856 936 963 1008 1038 1044 1092 1131 1211 1218 1284 1384 1391 1392 1404 1456 1498 1508 1512 1557 1566 1624 1638 1712 1827 1872 1926 2076 2088 2184 2247 2249 2262 2422 2436 2457 2568 2639 2768 2782 2808 2889 2996 3016 3024 3103 3114 3132 3248 3276 3393 3633 3654 3852 4152 4173 4176 4368 4494 4498 4524 4671 4844 4872 4914 5017 5136 5278 5481 5564 5616 5778 5992 6032 6206 6228 6264 6552 6741 6747 6786 7266 7308 7704 7917 8304 8346 8988 8996 9048 9309 9342 9688 9737 9744 9828 10034 10179 10556 10899 10962 11128 11556 11984 12412 12456 12519 12528 13104 13482 13494 13572 14532 14616 15051 15408 15743 15834 16692 17976 17992 18096 18511 18618 18684 19376 19474 19656 20068 20223 20241 20358 21112 21721 21798 21924 22256 23112 23751 24824 24912 25038 26964 26988 27144 27927 29064 29211 29232 30102 31486 31668 32697 33384 35119 35952 35984 37022 37236 37368 37557 38948 39312 40136 40339 40446 40482 40716 42224 43442 43596 43848 45153 46224 47229 47502 49648 50076 53928 53976 54288 55533 55854 58128 58422 60204 60723 62972 63336 65163 65221 65394 66768 70238 71253 74044 74472 74736 75114 77896 80272 80678 80892 80964 81432 83781 86884 87192 87633 87696 90306 94458 95004 100152 105357 107856 107952 111066 111708 116844 120408 121017 121446 125944 126672 129577 130326 130442 130788 135459 140476 141687 142506 148088 148944 150228 155792 161356 161784 161928 162864 166599 167562 173768 174384 175266 180612 188916 190008 195489 195663 200304 210714 222132 223416 233688 240643 240816 242034 242892 251888 259154 260652 260884 261576 262899 270918 280952 282373 283374 285012 296176 300456 316071 322712 323568 323856 333198 335124 347536 350532 361224 363051 377832 380016 388731 390978 391326 421428 425061 444264 446832 456547 467376 481286 484068 485784 499797 518308 521304 521768 523152 525798 536819 541836 561904 564746 566748 570024 586467 586989 600912 632142 645424 666396 670248 701064 721929 722448 726102 755664 777462 781956 782652 842856 847119 850122 888528 913094 948213 962572 968136 971568 999594 1036616 1042608 1043536 1051596 1073638 1083672 1089153 1129492 1133496 1140048 1166193 1172934 1173978 1264284 1332792 1340496 1369641 1402128 1443858 1452204 1554924 1563912 1565304 1610457 1684501 1685712 1694238 1700244 1760967 1826188 1896426 1925144 1936272 1999188 2073232 2103192 2147276 2165787 2167344 2178306 2258984 2266992 2332386 2345868 2347956 2528568 2541357 2665584 2739282 2887716 2904408 3109848 3127824 3130608 3220914 3369002 3388476 3400488 3498579 3521934 3652376 3757733 3792852 3850288 3998376 4108923 4206384 4294552 4331574 4356612 4517968 4664772 4691736 4695912 4831371 5053503 5057136 5082714 5478564 5775432 5808816 6219696 6441828 6497361 6738004 6776952 6800976 6978647 6997158 7043868 7304752 7515466 7585704 7624071 7996752 8217846 8589104 8663148 8713224 9329544 9383472 9391824 9662742 10107006 10165428 10957128 11273199 11550864 12326769 12883656 12994722 13476008 13553904 13957294 13994316 14087736 14494113 15030932 15160509 15171408 15248142 16435692 17326296 17426448 18659088 19325484 20214012 20330856 20935941 21914256 22546398 24653538 25767312 25989444 26952016 27914588 27988632 28175472 28988226 30061864 30321018 30496284 32871384 33819597 34652592 38650968 40428024 40661712 41871882 45092796 45481527 48850529 49307076 51978888 55829176 55977264 57976452 60123728 60642036 60992568 62807823 65742768 67639194 77301936 80856048 83743764 90185592 90963054 97701058 98614152 101458791 103957776 111658352 115952904 121284072 121985136 125615646 135278388 146551587 167487528 180371184 181926108 188423469 195402116 197228304 202917582 231905808 242568144 251231292 270556776 293103174 334975056 363852216 376846938 390804232 405835164 439654761 502462584 541113552 586206348 727704432 753693876 781608464 811670328 879309522 1004925168 1172412696 1318964283 1507387752 1623340656 1758619044 2344825392 2637928566 3014775504 3517238088 5275857132 7034476176 10551714264 21103428528
• Sum of all divisors σ(n): 78294988800
• Sum of proper divisors (its aliquot sum) s(n): 57191560272
• 21103428528 is an abundant number, because the sum of its proper divisors (57191560272) is greater than itself. Its abundance is 36088131744

Bases of 21103428528

• Binary: 10011101001110111001100001110110000₂
• Hexadecimal: 0x4E9DCC3B0
• Base-36: 9P0FPO0

Squares and roots of 21103428528

• 21103428528 squared (21103428528²) is 445354695636404246784
• 21103428528 cubed (21103428528³) is 9398510988972050496921817853952
• The square root of 21103428528 is 145270.1914640439
• The cube root of 21103428528 is 2763.4461490173

Scales and comparisons

• 21,103,428,528 seconds is equal to 671 years, 1 week, 1 day, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,103,428,528 would take you about one thousand, three hundred forty-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 21103428528 cubic inches would be around 230.3 feet tall.

Recreational maths with 21103428528

• 21103428528 backwards is 82582430112
• 21103428528 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21103428528's digits is 36
• More coming soon!