21396129820416

Names of 21396129820416

• Cardinal: 21396129820416 can be written as Twenty-one trillion, three hundred ninety-six billion, one hundred twenty-nine million, eight hundred twenty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1396129820416 × 10¹³

Factors of 21396129820416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1205

Divisors of 21396129820416

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 144 156 169 192 208 216 234 256 288 312 338 351 384 416 432 468 507 576 624 676 702 768 832 864 936 1014 1152 1187 1248 1352 1404 1521 1664 1728 1872 2028 2197 2304 2374 2496 2704 2808 3042 3328 3456 3561 3744 4056 4394 4563 4748 4992 5408 5616 6084 6591 6912 7122 7488 8112 8788 9126 9496 9984 10683 10816 11232 12168 13182 14244 14976 15431 16224 17576 18252 18992 19773 21366 21632 22464 24336 26364 28488 29952 30862 32049 32448 35152 36504 37984 39546 42732 43264 44928 46293 48672 52728 56976 59319 61724 64098 64896 70304 73008 75968 79092 85464 89856 92586 97344 105456 113952 118638 123448 128196 129792 138879 140608 146016 151936 158184 170928 185172 194688 200603 210912 227904 237276 246896 256392 277758 281216 292032 303872 316368 341856 370344 389376 401206 416637 421824 455808 474552 493792 512784 555516 562432 584064 601809 632736 683712 740688 802412 833274 843648 911616 949104 987584 1025568 1111032 1168128 1203618 1265472 1367424 1408969 1481376 1604824 1666548 1687296 1805427 1898208 1975168 2051136 2222064 2407236 2530944 2607839 2734848 2817938 2962752 3209648 3333096 3610854 3796416 3950336 4102272 4226907 4444128 4814472 5061888 5215678 5416281 5635876 5925504 6419296 6666192 7221708 7592832 7823517 8204544 8453814 8888256 9628944 10431356 10832562 11271752 11851008 12680721 12838592 13332384 14443416 15185664 15647034 16907628 17776512 18316597 19257888 20862712 21665124 22543504 23470551 25361442 25677184 26664768 28886832 31294068 33815256 35553024 36633194 38042163 38515776 41725424 43330248 45087008 46941102 50722884 51354368 53329536 54949791 57773664 62588136 67630512 70411653 73266388 76084326 77031552 83450848 86660496 90174016 93882204 101445768 106659072 109899582 115547328 125176272 135261024 140823306 146532776 152168652 154063104 164849373 166901696 173320992 180348032 187764408 202891536 219799164 231094656 238115761 250352544 270522048 281646612 293065552 304337304 329698746 333803392 346641984 360696064 375528816 405783072 439598328 462189312 476231522 494548119 500705088 541044096 563293224 586131104 608674608 659397492 667606784 693283968 714347283 751057632 811566144 879196656 952463044 989096238 1001410176 1082088192 1126586448 1172262208 1217349216 1318794984 1386567936 1428694566 1502115264 1623132288 1758393312 1904926088 1978192476 2002820352 2143041849 2253172896 2344524416 2434698432 2637589968 2857389132 3004230528 3095504893 3246264576 3516786624 3809852176 3956384952 4286083698 4506345792 4689048832 4869396864 5275179936 5714778264 6008461056 6191009786 6429125547 7033573248 7619704352 7912769904 8572167396 9012691584 9286514679 9738793728 10550359872 11429556528 12382019572 12858251094 14067146496 15239408704 15825539808 17144334792 18025383168 18573029358 21100719744 22859113056 24764039144 25716502188 27859544037 30478817408 31651079616 34288669584 37146058716 42201439488 45718226112 49528078288 51433004376 55719088074 60957634816 63302159232 68577339168 74292117432 83578632111 91436452224 99056156576 102866008752 111438176148 126604318464 137154678336 148584234864 167157264222 182872904448 198112313152 205732017504 222876352296 274309356672 297168469728 334314528444 396224626304 411464035008 445752704592 548618713344 594336939456 668629056888 792449252608 822928070016 891505409184 1188673878912 1337258113776 1645856140032 1783010818368 2377347757824 2674516227552 3566021636736 5349032455104 7132043273472 10698064910208 21396129820416
• Sum of all divisors σ(n): 68600189610400
• Sum of proper divisors (its aliquot sum) s(n): 47204059789984
• 21396129820416 is an abundant number, because the sum of its proper divisors (47204059789984) is greater than itself. Its abundance is 25807929969568

Bases of 21396129820416

• Binary: 100110111010110101100101101111010111100000000₂
• Hexadecimal: 0x1375ACB7AF00
• Base-36: 7L18V9HC0

Squares and roots of 21396129820416

• 21396129820416 squared (21396129820416²) is 457794371292094812410413056
• 21396129820416 cubed (21396129820416³) is 9795027799221384204539256307961661751296
• The square root of 21396129820416 is 4625595.0774377127
• The cube root of 21396129820416 is 27761.6372241257

Scales and comparisons

• 21,396,129,820,416 seconds is equal to 680,330 years, 38 weeks, 5 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,396,129,820,416 would take you about one million, seven hundred thousand, eight hundred twenty-six 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 21396129820416 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21396129820416

• 21396129820416 backwards is 61402892169312
• 21396129820416 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21396129820416's digits is 54
• More coming soon!