1397555640

Names of 1397555640

• Cardinal: 1397555640 can be written as One billion, three hundred ninety-seven million, five hundred fifty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.39755564 × 10⁹

Factors of 1397555640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 73

Divisors of 1397555640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 27 30 31 36 38 39 40 45 52 54 57 60 62 65 72 76 78 90 93 95 104 108 114 117 120 124 130 135 152 155 156 169 171 180 186 190 195 216 228 234 247 248 260 270 279 285 310 312 338 342 351 360 372 380 390 403 456 465 468 494 507 513 520 540 558 570 585 589 620 676 684 702 741 744 760 780 806 837 845 855 930 936 988 1014 1026 1080 1116 1140 1170 1178 1209 1235 1240 1352 1368 1395 1404 1482 1521 1560 1612 1674 1690 1710 1755 1767 1860 1976 2015 2028 2052 2197 2223 2232 2280 2340 2356 2418 2470 2535 2565 2790 2808 2945 2964 3042 3211 3224 3348 3380 3420 3510 3534 3627 3705 3720 4030 4056 4104 4185 4394 4446 4563 4680 4712 4836 4940 5070 5130 5239 5301 5580 5890 5928 6045 6084 6422 6591 6669 6696 6760 6840 7020 7068 7254 7410 7605 7657 8060 8370 8788 8835 8892 9126 9633 9672 9880 10140 10260 10478 10602 10881 10985 11115 11160 11780 12090 12168 12844 13182 13338 14040 14136 14508 14820 15210 15314 15717 15903 16055 16120 16740 17576 17670 17784 18135 18252 19266 19773 20280 20520 20956 21204 21762 21970 22230 22815 22971 23560 24180 25688 26195 26364 26505 26676 28899 29016 29640 30420 30628 31434 31806 32110 32955 33345 33480 35340 36270 36504 38285 38532 39546 41743 41912 42408 43524 43940 44460 45630 45942 47151 48165 48360 52390 52728 53010 53352 54405 57798 59319 60840 61256 62868 63612 64220 65910 66690 68107 68913 70680 72540 76570 77064 78585 79092 79515 83486 86697 87048 87880 88920 91260 91884 94302 96330 98865 99541 104780 106020 108810 114855 115596 118638 125229 125736 127224 128440 131820 133380 136214 137826 141453 144495 145080 153140 157170 158184 159030 166972 173394 182520 183768 188604 192660 197730 199082 204321 206739 208715 209560 212040 217620 229710 231192 235755 237276 250458 263640 266760 272428 275652 282906 288990 296595 298623 306280 314340 318060 333944 340535 344565 346788 375687 377208 385320 395460 398164 408642 413478 417430 433485 435240 459420 471510 474552 497705 500916 544856 551304 565812 577980 593190 597246 612963 626145 628680 636120 681070 689130 693576 707265 751374 790920 796328 817284 826956 834860 866970 895869 918840 943020 995410 1001832 1021605 1033695 1127061 1131624 1155960 1186380 1194492 1225926 1252290 1294033 1362140 1378260 1414530 1493115 1502748 1634568 1653912 1669720 1733940 1791738 1838889 1878435 1886040 1990820 2043210 2067390 2254122 2372760 2388984 2451852 2504580 2588066 2687607 2724280 2756520 2829060 2986230 3005496 3064815 3467880 3583476 3677778 3756870 3882099 3981640 4086420 4134780 4479345 4508244 4903704 5009160 5176132 5375214 5635305 5658120 5972460 6129630 6470165 7166952 7355556 7513740 7764198 8172840 8269560 8958690 9016488 9194445 10352264 10750428 11270610 11646297 11944920 12259260 12940330 13438035 14711112 15027480 15528396 17917380 18388890 19410495 21500856 22541220 23292594 24518520 25880660 26876070 31056792 34938891 35834760 36777780 38820990 45082440 46585188 51761320 53752140 58231485 69877782 73555560 77641980 93170376 107504280 116462970 139755564 155283960 174694455 232925940 279511128 349388910 465851880 698777820 1397555640
• Sum of all divisors σ(n): 5483520000
• Sum of proper divisors (its aliquot sum) s(n): 4085964360
• 1397555640 is an abundant number, because the sum of its proper divisors (4085964360) is greater than itself. Its abundance is 2688408720

Bases of 1397555640

• Binary: 1010011010011010000000110111000₂
• Hexadecimal: 0x534D01B8
• Base-36: N42GU0

Squares and roots of 1397555640

• 1397555640 squared (1397555640²) is 1953161766895809600
• 1397555640 cubed (1397555640³) is 2729652243157603998846144000
• The square root of 1397555640 is 37383.8954631535
• The cube root of 1397555640 is 1118.0374964889

Scales and comparisons

• 1,397,555,640 seconds is equal to 44 years, 22 weeks, 5 days, 9 hours, 54 minutes.
• To count from 1 to 1,397,555,640 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 1397555640 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397555640

• 1397555640 backwards is 0465557931
• 1397555640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1397555640's digits is 45
• More coming soon!