1389934728
1,389,934,728 is an even composite number composed of five prime numbers multiplied together.
1389934728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 1389934728:
23 × 39 × 7 × 13 × 97
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 97)See below for interesting mathematical facts about the number 1389934728 from the Numbermatics database.
Names of 1389934728
- Cardinal: 1389934728 can be written as One billion, three hundred eighty-nine million, nine hundred thirty-four thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.389934728 × 109
Factors of 1389934728
Divisors of 1389934728
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 81 84 91 97 104 108 117 126 156 162 168 182 189 194 216 234 243 252 273 291 312 324 351 364 378 388 468 486 504 546 567 582 648 679 702 728 729 756 776 819 873 936 972 1053 1092 1134 1164 1261 1358 1404 1458 1512 1638 1701 1746 1944 2037 2106 2184 2187 2268 2328 2457 2522 2619 2716 2808 2916 3159 3276 3402 3492 3783 4074 4212 4374 4536 4914 5044 5103 5238 5432 5832 6111 6318 6552 6561 6804 6984 7371 7566 7857 8148 8424 8748 8827 9477 9828 10088 10206 10476 11349 12222 12636 13122 13608 14742 15132 15309 15714 16296 17496 17654 18333 18954 19656 19683 20412 20952 22113 22698 23571 24444 25272 26244 26481 28431 29484 30264 30618 31428 34047 35308 36666 37908 39366 40824 44226 45396 45927 47142 48888 52488 52962 54999 56862 58968 61236 62856 66339 68094 70616 70713 73332 75816 78732 79443 85293 88452 90792 91854 94284 102141 105924 109998 113724 122472 132678 136188 137781 141426 146664 157464 158886 164997 170586 176904 183708 188568 199017 204282 211848 212139 219996 227448 238329 255879 265356 272376 275562 282852 306423 317772 329994 341172 367416 398034 408564 424278 439992 476658 494991 511758 530712 551124 565704 597051 612846 635544 636417 659988 682344 714987 796068 817128 848556 919269 953316 989982 1023516 1102248 1194102 1225692 1272834 1319976 1429974 1484973 1592136 1697112 1791153 1838538 1906632 1909251 1979964 2047032 2144961 2388204 2451384 2545668 2757807 2859948 2969946 3582306 3677076 3818502 3959928 4289922 4454919 4776408 5091336 5515614 5719896 5939892 6434883 7164612 7354152 7637004 8273421 8579844 8909838 11031228 11879784 12869766 13364757 14329224 15274008 16546842 17159688 17819676 19304649 22062456 24820263 25739532 26729514 33093684 35639352 38609298 49640526 51479064 53459028 57913947 66187368 77218596 99281052 106918056 115827894 154437192 173741841 198562104 231655788 347483682 463311576 694967364 1389934728
- Sum of all divisors σ(n): 4860831360
- Sum of proper divisors (its aliquot sum) s(n): 3470896632
- 1389934728 is an abundant number, because the sum of its proper divisors (3470896632) is greater than itself. Its abundance is 2080961904
Bases of 1389934728
- Binary: 10100101101100010111000100010002
- Hexadecimal: 0x52D8B888
- Base-36: MZJ4I0
Squares and roots of 1389934728
- 1389934728 squared (13899347282) is 1931918548100433984
- 1389934728 cubed (13899347283) is 2685240681672131626232996352
-
The
square root of 1389934728 is 37281.8283886399 -
The
cube root of 1389934728 is 1116.0015608719
Scales and comparisons
How big is 1389934728?- 1,389,934,728 seconds is equal to 44 years, 10 weeks, 1 day, 4 hours, 58 minutes, 48 seconds.
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To count from 1 to 1,389,934,728 would take you about eighty-eight 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 1389934728 cubic inches would be around 93 feet tall.
Recreational maths with 1389934728
- 1389934728 backwards is 8274399831
- 1389934728 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1389934728's digits is 54
- More coming soon!
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