1538138616

Names of 1538138616

• Cardinal: 1538138616 can be written as One billion, five hundred thirty-eight million, one hundred thirty-eight thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.538138616 × 10⁹

Factors of 1538138616

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 168

Divisors of 1538138616

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 23 24 28 38 41 42 46 49 56 57 69 73 76 82 84 92 98 114 123 133 138 146 147 152 161 164 168 184 196 219 228 246 266 276 287 292 294 322 328 392 399 437 438 456 483 492 511 532 552 574 584 588 644 779 798 861 874 876 931 943 966 984 1022 1064 1127 1148 1176 1288 1311 1387 1533 1558 1596 1679 1722 1748 1752 1862 1886 1932 2009 2044 2254 2296 2337 2622 2774 2793 2829 2993 3059 3066 3116 3192 3358 3381 3444 3496 3577 3724 3772 3864 4018 4088 4161 4508 4674 5037 5244 5453 5548 5586 5658 5986 6027 6118 6132 6232 6601 6716 6762 6888 7154 7448 7544 8036 8322 8979 9016 9177 9348 9709 10074 10488 10731 10906 11096 11172 11316 11753 11972 12054 12236 12264 13202 13432 13524 14308 16072 16359 16644 17917 17958 18354 18696 19418 19803 20148 20951 21413 21462 21812 22344 22632 23506 23944 24108 24472 26404 27048 28616 29127 31901 32718 33288 35259 35834 35916 36708 38171 38836 39606 40296 41902 42826 42924 43624 46207 47012 48216 52808 53751 56867 58254 62853 63802 64239 65436 67963 68839 70518 71668 71832 73416 76342 77672 79212 82271 83804 85652 85848 92414 94024 95703 107502 113734 114513 116508 125419 125706 127604 128478 130872 135926 137678 138621 141036 143336 146657 152684 158424 164542 167608 170601 171304 184828 191406 203889 206517 215004 223307 227468 229026 233016 246813 250838 251412 255208 256956 271852 275356 277242 282072 293314 305368 329084 341202 369656 376257 382812 398069 407778 413034 430008 439971 446614 454936 458052 481873 493626 501676 502824 513912 543704 550712 554484 586628 658168 669921 682404 752514 765624 796138 815556 826068 877933 879942 893228 916104 963746 987252 1003352 1108968 1173256 1194207 1307941 1339842 1364808 1445619 1505028 1563149 1592276 1631112 1652136 1755866 1759884 1786456 1927492 1974504 2388414 2615882 2633799 2679684 2786483 2891238 3010056 3126298 3184552 3373111 3511732 3519768 3854984 3923823 4689447 4776828 5231764 5267598 5359368 5572966 5782476 6252596 6746222 7023464 7847646 8359449 9155587 9378894 9553656 10119333 10463528 10535196 11145932 11564952 12505192 13492444 15695292 16718898 18311174 18757788 20238666 21070392 22291864 26984888 27466761 31390584 33437796 36622348 37515576 40477332 54933522 64089109 66875592 73244696 80954664 109867044 128178218 192267327 219734088 256356436 384534654 512712872 769069308 1538138616
• Sum of all divisors σ(n): 5102092800
• Sum of proper divisors (its aliquot sum) s(n): 3563954184
• 1538138616 is an abundant number, because the sum of its proper divisors (3563954184) is greater than itself. Its abundance is 2025815568

Bases of 1538138616

• Binary: 1011011101011100010000111111000₂
• Hexadecimal: 0x5BAE21F8
• Base-36: PFRNCO

Squares and roots of 1538138616

• 1538138616 squared (1538138616²) is 2365870402030395456
• 1538138616 cubed (1538138616³) is 3639036625814396056624528896
• The square root of 1538138616 is 39219.1103417709
• The cube root of 1538138616 is 1154.3348971497

Scales and comparisons

• 1,538,138,616 seconds is equal to 48 years, 47 weeks, 1 day, 12 hours, 43 minutes, 36 seconds.
• To count from 1 to 1,538,138,616 would take you about ninety-seven 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 1538138616 cubic inches would be around 96.2 feet tall.

Recreational maths with 1538138616

• 1538138616 backwards is 6168318351
• 1538138616 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1538138616's digits is 42
• More coming soon!