1397545380

Names of 1397545380

• Cardinal: 1397545380 can be written as One billion, three hundred ninety-seven million, five hundred forty-five thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.39754538 × 10⁹

Factors of 1397545380

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 137

Divisors of 1397545380

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 19 20 21 22 27 28 29 30 33 35 36 38 42 44 45 54 55 57 58 60 61 63 66 70 76 77 84 87 90 95 99 105 108 110 114 116 122 126 132 133 135 140 145 154 165 171 174 180 183 189 190 198 203 209 210 220 228 231 244 252 261 266 270 285 290 297 305 308 315 319 330 342 348 366 378 380 385 396 399 406 418 420 427 435 462 495 513 522 532 540 549 551 570 580 594 609 610 627 630 638 660 665 671 684 693 732 756 770 783 798 812 836 854 855 870 915 924 945 957 990 1015 1026 1044 1045 1098 1102 1140 1155 1159 1188 1197 1218 1220 1254 1260 1276 1281 1305 1330 1342 1386 1463 1485 1540 1566 1595 1596 1647 1653 1708 1710 1740 1769 1827 1830 1881 1890 1914 1980 1995 2013 2030 2052 2079 2090 2135 2196 2204 2233 2310 2318 2394 2436 2508 2562 2565 2610 2660 2684 2745 2755 2772 2871 2926 2970 3045 3132 3135 3190 3294 3306 3355 3420 3465 3477 3538 3591 3654 3660 3762 3780 3828 3843 3857 3915 3990 4026 4060 4158 4180 4270 4389 4466 4620 4636 4697 4785 4788 4959 5124 5130 5220 5307 5481 5490 5510 5643 5742 5795 5852 5940 5985 6039 6061 6090 6270 6380 6405 6588 6612 6699 6710 6930 6954 7076 7182 7308 7315 7524 7686 7714 7830 7980 8052 8113 8235 8265 8316 8540 8613 8778 8845 8932 9135 9394 9405 9570 9918 10065 10260 10395 10431 10614 10962 10980 11020 11165 11286 11484 11529 11571 11590 11970 12078 12122 12180 12383 12540 12749 12810 13167 13398 13420 13860 13908 14091 14355 14364 14630 14877 15372 15428 15660 15921 16226 16470 16530 17226 17385 17556 17690 17955 18117 18183 18270 18788 18810 19140 19215 19285 19459 19836 20097 20130 20790 20862 21228 21924 21945 22330 22572 23058 23142 23180 23485 23940 24156 24244 24339 24766 24795 25498 25620 26334 26535 26796 27405 28182 28215 28710 29260 29754 30195 30305 31293 31842 32452 32940 33060 33495 33611 34452 34713 34770 35380 35910 36234 36366 36540 37149 37620 38247 38430 38570 38918 39501 40194 40260 40565 41580 41724 42273 42427 43065 43890 44660 46116 46284 46970 47763 48678 49532 49590 50996 52155 52668 53070 54549 54810 56364 56430 57420 57645 57855 58377 59508 60291 60390 60610 61915 62586 63684 63745 65835 66990 67222 69426 69540 70455 71820 72468 72732 73017 74298 74385 76494 76860 77140 77836 79002 79605 80388 81130 84546 84854 86130 87780 89243 90585 90915 93940 95526 97295 97356 99180 100485 100833 104139 104310 106140 109098 109620 111447 112860 114741 115290 115710 116754 120582 120780 121220 121695 123830 125172 126819 127281 127490 131670 133980 134444 136213 138852 140910 146034 148596 148770 152988 156465 158004 159210 162260 163647 168055 169092 169708 172260 173565 175131 178486 181170 181830 185745 191052 191235 194590 197505 200970 201666 208278 208620 211365 212135 218196 219051 222894 229482 230580 231420 233508 235277 238815 241164 243390 247660 253638 254562 254980 263340 267729 272426 272745 281820 291885 292068 297540 301455 302499 312930 318420 327294 334341 336110 344223 347130 350262 356972 362340 363660 365085 369721 371490 381843 382470 389180 395010 401940 403332 408639 416556 422730 424270 438102 445788 446215 458964 470554 477630 486780 504165 507276 509124 520695 525393 535458 544852 545490 557235 573705 583770 602910 604998 625860 634095 636405 654588 668682 672220 681065 688446 694260 700524 705831 730170 739442 742980 763686 764940 790020 803187 817278 818235 845460 848540 875655 876204 892430 907497 941108 955260 1008330 1041390 1050786 1070916 1090980 1095255 1109163 1114470 1145529 1147410 1167540 1176385 1205820 1209996 1225917 1268190 1272810 1337364 1338645 1362130 1376892 1411662 1460340 1478884 1512495 1527372 1606374 1634556 1636470 1671705 1721115 1751310 1784860 1814994 1848605 1909215 2016660 2043195 2082780 2101572 2117493 2190510 2218326 2228940 2291058 2294820 2352770 2409561 2451834 2536380 2545620 2588047 2626965 2677290 2724260 2823324 3024990 3212748 3272940 3327489 3343410 3442230 3502620 3529155 3629988 3677751 3697210 3818430 4015935 4086390 4234986 4381020 4436652 4537485 4582116 4705540 4819122 4903668 5176094 5253930 5354580 5545815 5727645 6049980 6129585 6352479 6654978 6686820 6884460 7058310 7355502 7394420 7636860 7764141 8031870 8172780 8469972 9074970 9638244 9982467 10352188 10507860 10587465 11091630 11455290 12047805 12259170 12704958 12940235 13309956 14116620 14711004 15528282 16063740 16637445 18149940 18388755 19964934 21174930 22183260 22910580 23292423 24095610 24518340 25409916 25880470 31056564 31762395 33274890 36777510 38820705 39929868 42349860 46584846 48191220 49912335 51760940 63524790 66549780 69877269 73555020 77641410 93169692 99824670 116462115 127049580 139754538 155282820 199649340 232924230 279509076 349386345 465848460 698772690 1397545380
• Sum of all divisors σ(n): 5999616000
• Sum of proper divisors (its aliquot sum) s(n): 4602070620
• 1397545380 is an abundant number, because the sum of its proper divisors (4602070620) is greater than itself. Its abundance is 3204525240

Bases of 1397545380

• Binary: 1010011010011001101100110100100₂
• Hexadecimal: 0x534CD9A4
• Base-36: N428X0

Squares and roots of 1397545380

• 1397545380 squared (1397545380²) is 1953133089159344400
• 1397545380 cubed (1397545380³) is 2729592125279769850048872000
• The square root of 1397545380 is 37383.7582380371
• The cube root of 1397545380 is 1118.0347604993

Scales and comparisons

• 1,397,545,380 seconds is equal to 44 years, 22 weeks, 5 days, 7 hours, 3 minutes.
• To count from 1 to 1,397,545,380 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 1397545380 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397545380

• 1397545380 backwards is 0835457931
• 1397545380 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1397545380's digits is 45
• More coming soon!