21004550464

Names of 21004550464

• Cardinal: 21004550464 can be written as Twenty-one billion, four million, five hundred fifty thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1004550464 × 10¹⁰

Factors of 21004550464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 591

Divisors of 21004550464

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 16 17 19 31 32 34 38 62 64 68 73 76 124 136 146 152 248 272 292 304 323 449 496 527 544 584 589 608 646 898 992 1054 1088 1168 1178 1216 1241 1292 1387 1796 1984 2108 2263 2336 2356 2482 2584 2774 3592 4216 4526 4672 4712 4964 5168 5548 7184 7633 8432 8531 9052 9424 9928 10013 10336 11096 13919 14368 15266 16864 17062 18104 18848 19856 20026 20672 22192 23579 27838 28736 30532 32777 33728 34124 36208 37696 38471 39712 40052 42997 44384 47158 55676 61064 65554 68248 72416 76942 79424 80104 85994 88768 94316 111352 122128 131108 136496 144832 145027 153884 160208 171988 188632 222704 236623 244256 262216 264461 272992 290054 307768 320416 343976 377264 445408 473246 488512 524432 528922 545984 557209 580108 615536 622763 640832 687952 730949 754528 890816 946492 1016087 1048864 1057844 1114418 1160216 1231072 1245526 1375904 1461898 1509056 1892984 2032174 2097728 2115688 2228836 2320432 2462144 2491052 2751808 2923796 3785968 4064348 4231376 4457672 4495837 4640864 4982104 5847592 7571936 8128696 8462752 8915344 8991674 9281728 9964208 10586971 11695184 15143872 16257392 16925504 17273479 17830688 17983348 19305653 19928416 21173942 23390368 32514784 34546958 35661376 35966696 38611306 39856832 42347884 46780736 65029568 69093916 71933392 77222612 84695768 138187832 143866784 154445224 169391536 276375664 287733568 308890448 328196101 338783072 552751328 617780896 656392202 677566144 1105502656 1235561792 1312784404 2625568808 5251137616 10502275232 21004550464
• Sum of all divisors σ(n): 48719232000
• Sum of proper divisors (its aliquot sum) s(n): 27714681536
• 21004550464 is an abundant number, because the sum of its proper divisors (27714681536) is greater than itself. Its abundance is 6710131072

Bases of 21004550464

• Binary: 10011100011111110000000000101000000₂
• Hexadecimal: 0x4E3F80140
• Base-36: 9NDKEV4

Squares and roots of 21004550464

• 21004550464 squared (21004550464²) is 441191140194722615296
• 21004550464 cubed (21004550464³) is 9267021568489749959466890297344
• The square root of 21004550464 is 144929.4672038781
• The cube root of 21004550464 is 2759.1234379439

Scales and comparisons

• 21,004,550,464 seconds is equal to 667 years, 45 weeks, 5 days, 5 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,004,550,464 would take you about one thousand, three hundred thirty-five 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 21004550464 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004550464

• 21004550464 backwards is 46405540012
• 21004550464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21004550464's digits is 31
• More coming soon!