1385387520

Names of 1385387520

• Cardinal: 1385387520 can be written as One billion, three hundred eighty-five million, three hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.38538752 × 10⁹

Factors of 1385387520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 75

Divisors of 1385387520

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 23 24 30 31 32 33 40 44 46 48 55 60 62 64 66 69 80 88 92 93 96 110 115 120 124 128 132 138 155 160 165 176 184 186 192 220 230 240 248 253 256 264 276 310 320 330 341 345 352 368 372 384 440 460 465 480 496 506 512 528 529 552 620 640 660 682 690 704 713 736 744 759 768 880 920 930 960 992 1012 1023 1056 1058 1104 1240 1265 1280 1320 1364 1380 1408 1426 1472 1488 1518 1536 1587 1705 1760 1840 1860 1920 1984 2024 2046 2112 2116 2139 2208 2480 2530 2560 2640 2645 2728 2760 2816 2852 2944 2976 3036 3174 3410 3520 3565 3680 3720 3795 3840 3968 4048 4092 4224 4232 4278 4416 4960 5060 5115 5280 5290 5456 5520 5632 5704 5819 5888 5952 6072 6348 6820 7040 7130 7360 7440 7590 7680 7843 7935 7936 8096 8184 8448 8464 8556 8832 9920 10120 10230 10560 10580 10695 10912 11040 11408 11638 11776 11904 12144 12696 13640 14080 14260 14720 14880 15180 15686 15870 15872 16192 16368 16399 16896 16928 17112 17457 17664 19840 20240 20460 21120 21160 21390 21824 22080 22816 23276 23529 23808 24288 25392 27280 28160 28520 29095 29440 29760 30360 31372 31740 32384 32736 32798 33856 34224 34914 35328 39215 39680 40480 40920 42240 42320 42780 43648 44160 45632 46552 47058 47616 48576 49197 50784 54560 57040 58190 58880 59520 60720 62744 63480 64768 65472 65596 67712 68448 69828 78430 79360 80960 81840 81995 84480 84640 85560 87285 87296 88320 91264 93104 94116 97152 98394 101568 109120 114080 116380 117645 119040 121440 125488 126960 129536 130944 131192 135424 136896 139656 156860 161920 163680 163990 169280 171120 174570 174592 176640 180389 182528 186208 188232 194304 196788 203136 218240 228160 232760 235290 238080 242880 245985 250976 253920 261888 262384 270848 273792 279312 313720 323840 327360 327980 338560 342240 349140 360778 365056 372416 376464 388608 393576 406272 436480 456320 465520 470580 485760 491970 501952 507840 523776 524768 541167 547584 558624 627440 647680 654720 655960 677120 684480 698280 721556 744832 752928 787152 812544 872960 901945 912640 931040 941160 971520 983940 1003904 1015680 1049536 1082334 1095168 1117248 1254880 1309440 1311920 1354240 1368960 1396560 1443112 1489664 1505856 1574304 1803890 1825280 1862080 1882320 1943040 1967880 2007808 2031360 2099072 2164668 2234496 2509760 2618880 2623840 2705835 2737920 2793120 2886224 2979328 3011712 3148608 3607780 3724160 3764640 3935760 4015616 4062720 4198144 4329336 4468992 5019520 5247680 5411670 5475840 5586240 5772448 6023424 6297216 7215560 7448320 7529280 7871520 8396288 8658672 8937984 10039040 10495360 10823340 11172480 11544896 12046848 12594432 14431120 14896640 15058560 15743040 17317344 20078080 20990720 21646680 22344960 23089792 25188864 28862240 30117120 31486080 34634688 41981440 43293360 44689920 46179584 57724480 60234240 62972160 69269376 86586720 92359168 115448960 125944320 138538752 173173440 230897920 277077504 346346880 461795840 692693760 1385387520
• Sum of all divisors σ(n): 5213666304
• Sum of proper divisors (its aliquot sum) s(n): 3828278784
• 1385387520 is an abundant number, because the sum of its proper divisors (3828278784) is greater than itself. Its abundance is 2442891264

Bases of 1385387520

• Binary: 1010010100100110101011000000000₂
• Hexadecimal: 0x52935600
• Base-36: MWTNUO

Squares and roots of 1385387520

• 1385387520 squared (1385387520²) is 1919298580571750400
• 1385387520 cubed (1385387520³) is 2658972300677817468715008000
• The square root of 1385387520 is 37220.7941881955
• The cube root of 1385387520 is 1114.7832218141

Scales and comparisons

• 1,385,387,520 seconds is equal to 44 years, 2 weeks, 4 days, 13 hours, 52 minutes.
• To count from 1 to 1,385,387,520 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 1385387520 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385387520

• 1385387520 backwards is 0257835831
• The number of decimal digits it has is: 10
• The sum of 1385387520's digits is 42
• More coming soon!