1399664640

Names of 1399664640

• Cardinal: 1399664640 can be written as One billion, three hundred ninety-nine million, six hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.39966464 × 10⁹

Factors of 1399664640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 149

Divisors of 1399664640

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 32 33 38 40 44 48 55 57 60 64 66 76 80 88 95 96 109 110 114 120 128 132 152 160 165 176 190 192 209 218 220 228 240 256 264 285 304 320 327 330 352 380 384 418 436 440 456 480 512 528 545 570 608 627 640 654 660 704 760 768 836 872 880 912 960 1024 1045 1056 1090 1140 1199 1216 1254 1280 1308 1320 1408 1520 1536 1635 1672 1744 1760 1824 1920 2048 2071 2090 2112 2180 2280 2398 2432 2508 2560 2616 2640 2816 3040 3072 3135 3270 3344 3488 3520 3597 3648 3840 4096 4142 4180 4224 4360 4560 4796 4864 5016 5120 5232 5280 5632 5995 6080 6144 6213 6270 6540 6688 6976 7040 7194 7296 7680 8284 8360 8448 8720 9120 9592 9728 10032 10240 10355 10464 10560 11264 11990 12160 12288 12426 12540 13080 13376 13952 14080 14388 14592 15360 16568 16720 16896 17440 17985 18240 19184 19456 20064 20480 20710 20928 21120 22528 22781 23980 24320 24852 25080 26160 26752 27904 28160 28776 29184 30720 31065 33136 33440 33792 34880 35970 36480 38368 38912 40128 41420 41856 42240 45056 45562 47960 48640 49704 50160 52320 53504 55808 56320 57552 58368 61440 62130 66272 66880 67584 68343 69760 71940 72960 76736 77824 80256 82840 83712 84480 91124 95920 97280 99408 100320 104640 107008 111616 112640 113905 115104 116736 124260 132544 133760 135168 136686 139520 143880 145920 153472 160512 165680 167424 168960 182248 191840 194560 198816 200640 209280 214016 223232 225280 227810 230208 233472 248520 265088 267520 273372 279040 287760 291840 306944 321024 331360 334848 337920 341715 364496 383680 389120 397632 401280 418560 428032 446464 455620 460416 497040 530176 535040 546744 558080 575520 583680 613888 642048 662720 669696 675840 683430 728992 767360 795264 802560 837120 856064 911240 920832 994080 1060352 1070080 1093488 1116160 1151040 1167360 1227776 1284096 1325440 1339392 1366860 1457984 1534720 1590528 1605120 1674240 1822480 1841664 1988160 2120704 2140160 2186976 2232320 2302080 2455552 2568192 2650880 2733720 2915968 3069440 3181056 3210240 3348480 3644960 3683328 3976320 4241408 4280320 4373952 4604160 4911104 5301760 5467440 5831936 6138880 6362112 6420480 6696960 7289920 7366656 7952640 8482816 8747904 9208320 10603520 10934880 11663872 12277760 12724224 12840960 14579840 14733312 15905280 17495808 18416640 21207040 21869760 23327744 24555520 25448448 29159680 31810560 34991616 36833280 42414080 43739520 46655488 58319360 63621120 69983232 73666560 87479040 93310976 116638720 127242240 139966464 174958080 233277440 279932928 349916160 466554880 699832320 1399664640
• Sum of all divisors σ(n): 5189817600
• Sum of proper divisors (its aliquot sum) s(n): 3790152960
• 1399664640 is an abundant number, because the sum of its proper divisors (3790152960) is greater than itself. Its abundance is 2390488320

Bases of 1399664640

• Binary: 1010011011011010011000000000000₂
• Hexadecimal: 0x536D3000
• Base-36: N5BO5C

Squares and roots of 1399664640

• 1399664640 squared (1399664640²) is 1959061104466329600
• 1399664640 cubed (1399664640³) is 2742028555520867611705344000
• The square root of 1399664640 is 37412.0921628289
• The cube root of 1399664640 is 1118.5996102999

Scales and comparisons

• 1,399,664,640 seconds is equal to 44 years, 26 weeks, 1 day, 19 hours, 44 minutes.
• To count from 1 to 1,399,664,640 would take you about eighty-nine 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 1399664640 cubic inches would be around 93.2 feet tall.

Recreational maths with 1399664640

• 1399664640 backwards is 0464669931
• 1399664640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1399664640's digits is 48
• More coming soon!