1994470128

Names of 1994470128

• Cardinal: 1994470128 can be written as One billion, nine hundred ninety-four million, four hundred seventy thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.994470128 × 10⁹

Factors of 1994470128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 60

Divisors of 1994470128

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 29 36 38 42 48 49 54 56 57 58 63 72 76 81 84 87 98 108 112 114 116 126 133 144 147 152 162 168 171 174 189 196 203 216 228 232 243 252 261 266 294 304 324 336 342 348 361 378 392 399 406 432 441 456 464 486 504 513 522 532 551 567 588 609 648 684 696 722 756 783 784 798 812 882 912 931 972 1008 1026 1044 1064 1083 1102 1134 1176 1197 1218 1296 1323 1368 1392 1421 1444 1512 1539 1566 1596 1624 1653 1701 1764 1827 1862 1944 2052 2088 2128 2166 2204 2268 2349 2352 2394 2436 2527 2646 2736 2793 2842 2888 3024 3078 3132 3192 3248 3249 3306 3402 3528 3591 3654 3724 3857 3888 3969 4104 4176 4263 4332 4408 4536 4617 4698 4788 4872 4959 5054 5292 5481 5586 5684 5776 6156 6264 6384 6498 6612 6804 7047 7056 7182 7308 7448 7581 7714 7938 8208 8379 8526 8664 8816 9072 9234 9396 9576 9744 9747 9918 10108 10469 10584 10773 10962 11172 11368 11571 11907 12312 12528 12789 12996 13224 13608 14094 14364 14616 14877 14896 15162 15428 15876 16443 16758 17052 17328 17689 18468 18792 19152 19494 19836 20216 20938 21168 21546 21924 22344 22736 22743 23142 23814 24624 25137 25578 25992 26448 26999 27216 28188 28728 29232 29241 29754 30324 30856 31407 31752 32319 32886 33516 34104 34713 35378 36936 37584 38367 38988 39672 40432 41876 43092 43848 44631 44688 45486 46284 47628 49329 50274 51156 51984 53067 53998 56376 57456 58482 59508 60648 61712 62814 63504 64638 65772 67032 68208 68229 69426 70756 73283 73872 75411 76734 77976 79344 80997 83752 86184 87696 87723 89262 90972 92568 94221 95256 98658 100548 102312 104139 106134 107996 112752 115101 116964 119016 121296 125628 129276 131544 133893 134064 136458 138852 141512 146566 150822 153468 155952 159201 161994 167504 172368 175446 178524 181944 185136 188442 190512 197316 201096 204624 204687 208278 212268 215992 219849 226233 230202 233928 238032 242991 251256 258552 263088 267786 272916 277704 282663 283024 293132 301644 306936 312417 318402 323988 345303 350892 357048 363888 376884 394632 402192 409374 416556 424536 431984 439698 452466 460404 467856 477603 485982 502512 512981 517104 535572 545832 555408 565326 586264 603288 613872 614061 624834 636804 647976 659547 690606 701784 714096 728973 753768 789264 818748 833112 847989 849072 879396 904932 920808 937251 955206 971964 1025962 1071144 1091664 1130652 1172528 1206576 1228122 1249668 1273608 1295952 1319094 1381212 1403568 1432809 1457946 1507536 1538943 1637496 1666224 1695978 1758792 1809864 1841616 1874502 1910412 1943928 1978641 2051924 2142288 2186919 2261304 2456244 2499336 2543967 2547216 2638188 2762424 2865618 2915892 3077886 3274992 3391956 3517584 3619728 3749004 3820824 3887856 3957282 4103848 4298427 4373838 4522608 4616829 4912488 4998672 5087934 5276376 5524848 5731236 5831784 5935923 6155772 6560757 6783912 7498008 7641648 7914564 8207696 8596854 8747676 9233658 9824976 10175868 10552752 11462472 11663568 11871846 12311544 13121514 13567824 13850487 14996016 15829128 17193708 17495352 17807769 18467316 20351736 22924944 23743692 24623088 26243028 27700974 31658256 34387416 34990704 35615538 36934632 40703472 41551461 47487384 52486056 55401948 68774832 71231076 73869264 83102922 94974768 104972112 110803896 124654383 142462152 166205844 221607792 249308766 284924304 332411688 498617532 664823376 997235064 1994470128
• Sum of all divisors σ(n): 7351638840
• Sum of proper divisors (its aliquot sum) s(n): 5357168712
• 1994470128 is an abundant number, because the sum of its proper divisors (5357168712) is greater than itself. Its abundance is 3362698584

Bases of 1994470128

• Binary: 1110110111000010011001011110000₂
• Hexadecimal: 0x76E132F0
• Base-36: WZGF00

Squares and roots of 1994470128

• 1994470128 squared (1994470128²) is 3977911091484336384
• 1994470128 cubed (1994470128³) is 7933824843805384097791537152
• The square root of 1994470128 is 44659.4909061893
• The cube root of 1994470128 is 1258.7587776771

Scales and comparisons

• 1,994,470,128 seconds is equal to 63 years, 21 weeks, 5 days, 3 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,994,470,128 would take you about one 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 1994470128 cubic inches would be around 104.9 feet tall.

Recreational maths with 1994470128

• 1994470128 backwards is 8210744991
• The number of decimal digits it has is: 10
• The sum of 1994470128's digits is 45
• More coming soon!